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GRW High Precision Ball Bearings

High precision ball bearings in grades up to ABEC 9 with bores from 1 to 30mm and comparable inch dimensions

Bearing Selector

Inch/Metric Bearing
Tolerance:
Desired Bore
Desired Outer Diameter
Material
Type
Closure

deep groove 2z shield flange ball bearings

Inch Series

Bore

Ø

(d)

Outer

Ø

(D)

Flange

Ø

(FD)

Open

Width

(B)

Open Flange Width

(FB)

Radius (rs - min) (2)

2Z Flange Shield

Part No

Shield Width (B1)

Load Rating Cr

(N)

Load Rating Cor

(N)

Limiting Speed (6) Nur (x 1000 rpm)

Ball Comple

ment Qty.: Z (5)

Ball Comple

ment Size: Dw

0.0469

0.1562

0.203

0.0937

0.013

0.003

F1191-2Z

0.125

163

44

164

6

0.03125

0.055

0.1875

0.234

0.1094

0.031

0.003

F1397-2Z

0.1406

239

67

140

6

0.0394

0.0781

0.25

0.296

0.1406

0.031

0.003

F5/64-2Z

0.1719

286

90

117

7

0.0394

0.0937

0.1875

0.234

0.0937

0.031

0.003

F2380-2Z

0.125

192

59

120

7

0.03125

0.0937

0.3125

0.359

0.1406

0.031

0.005

F3/32-2Z

0.1719

644

215

72

7

0.0625

0.125

0.25

0.296

0.1094

0.031

0.003

F3175-2Z

0.1406

292

97

87

7

0.0394

0.125

0.3125

0.359

0.1406

0.031

0.003

F1/8A-2Z

0.1719

644

215

75

7

0.0625

0.125

0.375

0.422

0.1406

0.031

0.003

F1/8A/6-2Z

0.1719

644

215

82

7

0.0625

0.125

0.375

0.44

0.1562

0.03

0.012

F1/8B-2Z

0.1875

720

260

61

8

0.0625

0.1562

0.3125

0.359

0.125

0.036

0.003

F3967-2Z

0.1562

391

165

68

11

0.0394

0.1875

0.3125

0.359

0.125

0.036

0.003

F4763A-2Z

0.1562

391

165

70

11

0.0394

0.1875

0.375

0.422

0.125

0.031

0.003

F4763B-2Z

0.1562

730

271

56

8

0.0625

0.1875

0.5

0.565

0.196

0.042

0.012

F3/16-2Z

0.2272

1.339

488

57

7

0.0938

0.1875

0.625

0.69

0.042

0.012

F1/4A/0001-2Z

1.651

670

41

8

0.0984

0.25

0.375

0.422

0.125

0.036

0.003

F6350A-2Z

0.1562

391

165

54

11

0.0394

0.25

0.5

0.547

0.1875

0.045

0.005

F6350B-2Z

0.2188

730

271

49

8

0.0781

0.25

0.625

0.69

0.196

0.042

0.012

F1/4A-2Z

0.2272

1.651

670

43

8

0.0984

0.3125

0.5

0.547

0.1562

0.031

0.005

F7938-2Z

0.1875

539

279

45

12

0.0469

0.375

0.875

0.969

0.2182

0.062

0.016

F3/8-2Z

2.555

1.129

35

8

0.125

0.5

1.125

1.225

0.3125

0.062

0.016

F1/2-2Z

4.12

2.01

32

9

0.15625

  1. Ball bearings without closure may be supplied with recesses. Please advise if you require bearings without recesses.
  2. rs min = minimum single bearing chamfer or maximum shaft or housing fillet radius.
  3. Not applicable to bearings with extended inner ring.
  4. Not applicable to flanged bearings.
  5. The number of balls may vary due to different types of retainer.
  6. See 'Limiting Speeds'.
  7. Tolerance of bore +12µm to +3µm. 
  8. Available in different width with closure.

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