Collection: Bearings - Single Row Ball - Unflanged - Precision

Bearings -> Single Row Ball -> Unflanged -> Precision
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double shielded economy bearing
Part Number: MR126A-ZZS-ECO (PK-5)
6 units (30 pcs) Available Now | Further orders can be expected around Sun, Jul 05, 2026
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 6 available can be backordered.
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double shielded economy bearing
Part Number: MR126A-ZZS-ECO (PK-5)
6 units (30 pcs) Available Now | Further orders can be expected around Sun, Jul 05, 2026
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (30 pcs) Available Now. Backorder if more than 6.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double black rubber sealed economy bearing
Part Number: MR126A-2RS-ECO (PK-5)
34 units (170 pcs) Available Now | Further orders can be expected around Sun, Jul 05, 2026
Regular price $3.32 AUD
Regular price Sale price $3.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 34 available can be backordered.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double black rubber sealed economy bearing
Part Number: MR126A-2RS-ECO (PK-5)
34 units (170 pcs) Available Now | Further orders can be expected around Sun, Jul 05, 2026
Regular price $3.32 AUD
Regular price Sale price $3.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

34 units (170 pcs) Available Now. Backorder if more than 34.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage
Part Number: MR126A-ZZS-MC3-T9H (Each)
124 Available Now | Further orders can be expected around Sun, Jul 05, 2026
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 124 available can be backordered.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage
Part Number: MR126A-ZZS-MC3-T9H (Each)
124 Available Now | Further orders can be expected around Sun, Jul 05, 2026
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

124 Available Now. Backorder if more than 124.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double shielded standard bearing
Part Number: MR126A-ZZ-MC3 (Each)
139 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 139 available can be backordered.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double shielded standard bearing
Part Number: MR126A-ZZ-MC3 (Each)
139 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

139 Available Now. Backorder if more than 139.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR126A-2RS-MC3 (Each)
35 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 35 available can be backordered.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR126A-2RS-MC3 (Each)
35 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

35 Available Now. Backorder if more than 35.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR126A-ZZ-MC4-AF12 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR126A-ZZ-MC4-AF12 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.007
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.007
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR126A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.007
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.007
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR126A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
ID (d)
6.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
Material: Chrome Steel SAE 52100 - Ceramic Si3N4 Balls    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid
Double shielded ceramic-hybrid bearing with light anti-rust lubricant
Part Number: MR126A-CSN-ZZS-ACO-ECO (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
ID (d)
6.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
Material: Chrome Steel SAE 52100 - Ceramic Si3N4 Balls    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid
Double shielded ceramic-hybrid bearing with light anti-rust lubricant
Part Number: MR126A-CSN-ZZS-ACO-ECO (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6x12x4 mm Unflanged - Ceramic Zirconia - PEEK Cage - Polypropylene Seals Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Ceramic Zirconia - PEEK Cage - Polypropylene Seals
Material: Ceramic Zirconia - PEEK Cage - Polypropylene Seals    Precision Grade: Abec 5    Closure Type: PPS (Polypropylene Seals)    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic ZrO2
Part Number: CZR-MR126A-PPS-MC34-PK-AF12 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 19, 2026
Regular price $148.41 AUD
Regular price $178.09 AUD Sale price $148.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Ceramic Zirconia - PEEK Cage - Polypropylene Seals Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Ceramic Zirconia - PEEK Cage - Polypropylene Seals
Material: Ceramic Zirconia - PEEK Cage - Polypropylene Seals    Precision Grade: Abec 5    Closure Type: PPS (Polypropylene Seals)    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic ZrO2
Part Number: CZR-MR126A-PPS-MC34-PK-AF12 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 19, 2026
Regular price $148.41 AUD
Regular price $178.09 AUD Sale price $148.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Double shielded standard stainless steel bearing
Part Number: SMR126A-ZZ-MC3 (Each)
55 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 55 available can be backordered.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Double shielded standard stainless steel bearing
Part Number: SMR126A-ZZ-MC3 (Each)
55 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

55 Available Now. Backorder if more than 55.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR126A-2RS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $422.95 AUD
Regular price $507.55 AUD Sale price $422.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR126A-2RS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $422.95 AUD
Regular price $507.55 AUD Sale price $422.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
ID (d)
6.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage
Double shielded high speed stainless steel bearing with Polyamide retainer
Part Number: SMR126A-ZZS-MC3-T9H (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 18, 2026
Regular price $17.14 AUD
Regular price Sale price $17.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
ID (d)
6.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage
Double shielded high speed stainless steel bearing with Polyamide retainer
Part Number: SMR126A-ZZS-MC3-T9H (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 18, 2026
Regular price $17.14 AUD
Regular price Sale price $17.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.007
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.007
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR126A-ZZ-MC3-JP6 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $469.95 AUD
Regular price $563.95 AUD Sale price $469.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.007
(Equiv. 0.236 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.007
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 6x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR126A-ZZ-MC3-JP6 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $469.95 AUD
Regular price $563.95 AUD Sale price $469.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x13x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
3.500
mm
Single Row Ball Bearings - 6x13x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Non ISO Width
Part Number: S686-ZZS-ECO (Each)
97 Available Now | Further orders can be expected around Sun, Jul 05, 2026
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 97 available can be backordered.
Single Row Ball Bearings - 6x13x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
3.500
mm
Single Row Ball Bearings - 6x13x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Non ISO Width
Part Number: S686-ZZS-ECO (Each)
97 Available Now | Further orders can be expected around Sun, Jul 05, 2026
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

97 Available Now. Backorder if more than 97.
Single Row Ball Bearings - 6x13x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.125
(Equiv. 0.138 in.)
Single Row Ball Bearings - 6x13x3.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 686-MC3-AF12 (Each)
55 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 55 available can be backordered.
Single Row Ball Bearings - 6x13x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.125
(Equiv. 0.138 in.)
Single Row Ball Bearings - 6x13x3.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 686-MC3-AF12 (Each)
55 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

55 Available Now. Backorder if more than 55.
Single Row Ball Bearings - 6x13x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 6x13x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Deleted Item. Available while stocks last. Non ISO Width
Part Number: S686D-ZZ-MC3 (Each)
405 Available Now | Item Discontinued - Up to 405 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.00 AUD
Regular price $5.70 AUD Sale price $3.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

405 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6x13x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 6x13x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Deleted Item. Available while stocks last. Non ISO Width
Part Number: S686D-ZZ-MC3 (Each)
405 Available Now | Item Discontinued - Up to 405 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.00 AUD
Regular price $5.70 AUD Sale price $3.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

405 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6x13x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.125
(Equiv. 0.138 in.)
Single Row Ball Bearings - 6x13x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S686-MC3-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $523.59 AUD
Regular price $628.31 AUD Sale price $523.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x13x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.125
(Equiv. 0.138 in.)
Single Row Ball Bearings - 6x13x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S686-MC3-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $523.59 AUD
Regular price $628.31 AUD Sale price $523.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x13x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.007
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.120
(Equiv. 0.138 in.)
Single Row Ball Bearings - 6x13x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S686-MC3-JP6-AF12 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6x13x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.007
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.120
(Equiv. 0.138 in.)
Single Row Ball Bearings - 6x13x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S686-MC3-JP6-AF12 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S686B-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jul 14, 2026
Regular price $3.41 AUD
Regular price Sale price $3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S686B-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jul 14, 2026
Regular price $3.41 AUD
Regular price Sale price $3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S686B-2RS-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 05, 2026
Regular price $119.32 AUD
Regular price $143.18 AUD Sale price $119.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S686B-2RS-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 05, 2026
Regular price $119.32 AUD
Regular price $143.18 AUD Sale price $119.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 6x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double black rubber sealed economy bearing
Part Number: 686B-2RS-ECO (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $10.95 AUD
Regular price Sale price $10.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 6x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double black rubber sealed economy bearing
Part Number: 686B-2RS-ECO (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $10.95 AUD
Regular price Sale price $10.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.007
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Double shielded P6 precision stainless steel bearing
Part Number: S686B-ZZ-MC3-JP6 (Each)
59 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $6.23 AUD
Regular price Sale price $6.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 59 available can be backordered.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.007
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Double shielded P6 precision stainless steel bearing
Part Number: S686B-ZZ-MC3-JP6 (Each)
59 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $6.23 AUD
Regular price Sale price $6.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

59 Available Now. Backorder if more than 59.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Double shielded standard stainless steel bearing
Part Number: S686B-ZZ-MC3 (Each)
300 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 300 available can be backordered.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Double shielded standard stainless steel bearing
Part Number: S686B-ZZ-MC3 (Each)
300 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

300 Available Now. Backorder if more than 300.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid
Ceramic balls.
Part Number: S686B-CSN-ZZ-ACO-ECO (Each)
1 Available Now | Further orders can be expected around Sun, Jul 19, 2026
Regular price $22.68 AUD
Regular price Sale price $22.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Single Row Ball Bearings - 6x13x5 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
ID (d)
6.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 6x13x5 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid
Ceramic balls.
Part Number: S686B-CSN-ZZ-ACO-ECO (Each)
1 Available Now | Further orders can be expected around Sun, Jul 19, 2026
Regular price $22.68 AUD
Regular price Sale price $22.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.