Collection: Bearings - Grooved OD - U Groove

Bearings -> Grooved OD -> U Groove

There are 12 products in the sub-categories of Bearings - Grooved OD - U Groove. Browse the Bearings - Grooved OD - U Groove products table.

Category Details

A selection of U Groove Grooved OD Bearings. Special OD Bearings.

  • Grooved OD bearings include various grrove shapes such as U-Groove, V-Groove, gothic arch and square grooves.
  • These bearings are designed for applications where the outer ring of the bearing interacts with a track or rail to support and guide the movement of the bearing assembly.
  • Some uses include wire straightening, textile machinery, material handling, linear systems, and the printing industry. An expanded range may be available on special order. Please enquire.
  • Contact us for tolerances.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Bearings - Grooved OD - U Groove category on the Small Parts & Bearings online store.
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Groove Base Diameter (GD) Groove Width (GB) Indicative
Image
ID (d)
3.000
mm

(Equiv. 0.118 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Grooved OD Bearings - 3x10x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 8.8 mm   
Part Number: U623-ZZ-09-ECO (2 Pcs)
Grooved OD Bearings - 3x10x4 mm U Groove - Chrome Steel Bearing
60 units (120 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $6.05 AUD
Regular price Sale price $6.05 AUD
Per 2
Quantity Required

60 units (120 pcs) Available Now. Backorder if more than 60.
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Indicative
Image
ID (d)
3.000
mm

(Equiv. 0.118 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Grooved OD Bearings - 3x10x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 8.8 mm   
Part Number: U623-ZZ-09-ECO (2 Pcs)
Grooved OD Bearings - 3x10x4 mm U Groove - Chrome Steel Bearing
60 units (120 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $6.05 AUD
Regular price Sale price $6.05 AUD
Per 2
Quantity Required

60 units (120 pcs) Available Now. Backorder if more than 60.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
12.000
mm

(Equiv. 0.472 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Grooved OD Bearings - 4x12x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 10.0 mm   
Part Number: U604-ZZ-10-ECO (2 Pcs)
Grooved OD Bearings - 4x12x4 mm U Groove - Chrome Steel Bearing
16 units (32 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Per 2
Quantity Required

16 units (32 pcs) Available Now. Backorder if more than 16.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
12.000
mm

(Equiv. 0.472 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Grooved OD Bearings - 4x12x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 10.0 mm   
Part Number: U604-ZZ-10-ECO (2 Pcs)
Grooved OD Bearings - 4x12x4 mm U Groove - Chrome Steel Bearing
16 units (32 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Per 2
Quantity Required

16 units (32 pcs) Available Now. Backorder if more than 16.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
12.000
mm

(Equiv. 0.472 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Inner Ring Width (Bn)
5.000
mm
Grooved OD Bearings - 4x12x4 mm / 5 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 10.5 mm   
Part Number: UW604A-ZZ-11-ECO (2 Pcs)
Grooved OD Bearings - 4x12x4 mm / 5 mm U Groove - Chrome Steel Bearing
24 units (48 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Per 2
Quantity Required

24 units (48 pcs) Available Now. Backorder if more than 24.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
12.000
mm

(Equiv. 0.472 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Inner Ring Width (Bn)
5.000
mm
Grooved OD Bearings - 4x12x4 mm / 5 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 10.5 mm   
Part Number: UW604A-ZZ-11-ECO (2 Pcs)
Grooved OD Bearings - 4x12x4 mm / 5 mm U Groove - Chrome Steel Bearing
24 units (48 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Per 2
Quantity Required

24 units (48 pcs) Available Now. Backorder if more than 24.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Grooved OD Bearings - 4x13x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 12.0 mm   
Part Number: U624A-ZZ-12-ECO (2 Pcs)
Grooved OD Bearings - 4x13x4 mm U Groove - Chrome Steel Bearing
22 units (44 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Per 2
Quantity Required

22 units (44 pcs) Available Now. Backorder if more than 22.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Grooved OD Bearings - 4x13x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 12.0 mm   
Part Number: U624A-ZZ-12-ECO (2 Pcs)
Grooved OD Bearings - 4x13x4 mm U Groove - Chrome Steel Bearing
22 units (44 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Per 2
Quantity Required

22 units (44 pcs) Available Now. Backorder if more than 22.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Grooved OD Bearings - 4x13x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 11.0 mm    Groove Radius (+/- 0.05) (GR): 1.250 mm   
Part Number: US624A-ZZ-11
Grooved OD Bearings - 4x13x4 mm U Groove - Stainless Steel AISI 440C Bearing
200 Available Now | Further orders can be expected around Sat, Nov 22, 2025
Regular price $5.95 AUD
Regular price $7.15 AUD Sale price $5.95 AUD
Each
Quantity Required

200 Available Now. Backorder if more than 200.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Grooved OD Bearings - 4x13x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 11.0 mm    Groove Radius (+/- 0.05) (GR): 1.250 mm   
Part Number: US624A-ZZ-11
Grooved OD Bearings - 4x13x4 mm U Groove - Stainless Steel AISI 440C Bearing
200 Available Now | Further orders can be expected around Sat, Nov 22, 2025
Regular price $5.95 AUD
Regular price $7.15 AUD Sale price $5.95 AUD
Each
Quantity Required

200 Available Now. Backorder if more than 200.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
5.000
mm

(Equiv. 0.197 in.)
Grooved OD Bearings - 4x13x5 mm - Chrome Steel
Material: Chrome Steel    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 12.3 mm    Groove Radius (+/- 0.05) (GR): 0.350 mm   
Part Number: U624-ZZ-12-ECO (5 Pcs)
Grooved OD Bearings - 4x13x5 mm U Groove - Chrome Steel Bearing
1 pack (5 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 5
Quantity Required

1 pack (5 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
5.000
mm

(Equiv. 0.197 in.)
Grooved OD Bearings - 4x13x5 mm - Chrome Steel
Material: Chrome Steel    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 12.3 mm    Groove Radius (+/- 0.05) (GR): 0.350 mm   
Part Number: U624-ZZ-12-ECO (5 Pcs)
Grooved OD Bearings - 4x13x5 mm U Groove - Chrome Steel Bearing
1 pack (5 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 5
Quantity Required

1 pack (5 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.5 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 9.0 mm   
Part Number: U624C-ZZ-09-ECO
Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel Bearing
50 Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
Quantity Required

50 Available Now. Backorder if more than 50.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.5 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 9.0 mm   
Part Number: U624C-ZZ-09-ECO
Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel Bearing
50 Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
Quantity Required

50 Available Now. Backorder if more than 50.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.5 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 9.5 mm   
Part Number: U624C-ZZ-10-SG (5 Pcs)
Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel Bearing
63 units (315 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.77 AUD
Regular price Sale price $5.77 AUD
Per 5
Quantity Required

63 units (315 pcs) Available Now. Backorder if more than 63.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.5 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 9.5 mm   
Part Number: U624C-ZZ-10-SG (5 Pcs)
Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel Bearing
63 units (315 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.77 AUD
Regular price Sale price $5.77 AUD
Per 5
Quantity Required

63 units (315 pcs) Available Now. Backorder if more than 63.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
16.500
mm

(Equiv. 0.65 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Grooved OD Bearings - 4x16.5x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 4.5 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 13.5 mm   
Part Number: UMR165-4-ZZ-14-ECO
Grooved OD Bearings - 4x16.5x7 mm U Groove - Chrome Steel Bearing
38 Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
Quantity Required

38 Available Now. Backorder if more than 38.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
16.500
mm

(Equiv. 0.65 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Grooved OD Bearings - 4x16.5x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 4.5 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 13.5 mm   
Part Number: UMR165-4-ZZ-14-ECO
Grooved OD Bearings - 4x16.5x7 mm U Groove - Chrome Steel Bearing
38 Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
Quantity Required

38 Available Now. Backorder if more than 38.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
18.000
mm

(Equiv. 0.709 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Inner Ring Width (Bn)
8.000
mm
Grooved OD Bearings - 4x18x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.0 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 13.0 mm   
Part Number: UWMR184A-ZZ-13-ECO
Grooved OD Bearings - 4x18x7 mm / 8 mm U Groove - Chrome Steel Bearing
71 Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
Quantity Required

71 Available Now. Backorder if more than 71.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
18.000
mm

(Equiv. 0.709 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Inner Ring Width (Bn)
8.000
mm
Grooved OD Bearings - 4x18x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.0 mm    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 13.0 mm   
Part Number: UWMR184A-ZZ-13-ECO
Grooved OD Bearings - 4x18x7 mm / 8 mm U Groove - Chrome Steel Bearing
71 Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
Quantity Required

71 Available Now. Backorder if more than 71.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
20.000
mm

(Equiv. 0.787 in.)
Width (B)
5.000
mm

(Equiv. 0.197 in.)
Grooved OD Bearings - 4x20x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 18.0 mm    Groove Radius (+/- 0.05) (GR): 1.000 mm   
Part Number: USMR204-ZZ-18 (100 Pcs)
Grooved OD Bearings - 4x20x5 mm U Groove - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 27, 2025
Regular price $1,500.77 AUD
Regular price $1,800.93 AUD Sale price $1,500.77 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
20.000
mm

(Equiv. 0.787 in.)
Width (B)
5.000
mm

(Equiv. 0.197 in.)
Grooved OD Bearings - 4x20x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Closures: ZZ    Basic Static Load: 15 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 18.0 mm    Groove Radius (+/- 0.05) (GR): 1.000 mm   
Part Number: USMR204-ZZ-18 (100 Pcs)
Grooved OD Bearings - 4x20x5 mm U Groove - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 27, 2025
Regular price $1,500.77 AUD
Regular price $1,800.93 AUD Sale price $1,500.77 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
5.000
mm

(Equiv. 0.197 in.)
OD (D)
16.000
mm

(Equiv. 0.63 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Inner Ring Width (Bn)
8.000
mm
Grooved OD Bearings - 5x16x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 3.0 mm    Closures: ZZ    Basic Static Load: 50 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 13.5 mm   
Part Number: U625A-ZZ-13-ECO
Grooved OD Bearings - 5x16x7 mm / 8 mm U Groove - Chrome Steel Bearing
33 Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.14 AUD
Regular price Sale price $5.14 AUD
Each
Quantity Required

33 Available Now. Backorder if more than 33.
ID (d)
5.000
mm

(Equiv. 0.197 in.)
OD (D)
16.000
mm

(Equiv. 0.63 in.)
Width (B)
7.000
mm

(Equiv. 0.276 in.)
Inner Ring Width (Bn)
8.000
mm
Grooved OD Bearings - 5x16x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 3.0 mm    Closures: ZZ    Basic Static Load: 50 Kgf    Type: U-Groove Profile    Groove Base Diameter (GD): 13.5 mm   
Part Number: U625A-ZZ-13-ECO
Grooved OD Bearings - 5x16x7 mm / 8 mm U Groove - Chrome Steel Bearing
33 Available Now | Further orders can be expected around Sun, Sep 21, 2025
Regular price $5.14 AUD
Regular price Sale price $5.14 AUD
Each
Quantity Required

33 Available Now. Backorder if more than 33.