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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 open 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)

Flange Open 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

0.0400

0.125

0.17098

0.0469

0.01299

0.003

F1016

51

11

148

5

0.025

0.0469

0.1562

0.203

0.0625

0.013

0.003

F1191

0.0937

163

44

129

6

0.0313

0.0550

0.1875

0.234

0.0781

0.023

0.003

F1397

0.1094

239

67

114

6

0.0394

0.0781

0.25

0.296

0.0937

0.023

0.003

F5/64

0.125

286

90

95

7

0.0394

0.0937

0.1875

0.234

0.0625

0.018

0.003

F2380

0.0937

192

59

94

7

0.0313

0.0937

0.3125

0.359

0.1094

0.023

0.005

F3/32

0.1406

644

215

62

7

0.0625

0.1250

0.25

0.296

0.0937

0.023

0.003

F3175

0.125

292

97

80

7

0.0394

0.1250

0.3125

0.359

0.1094

0.023

0.003

F1/8A

0.1406

644

215

65

7

0.0625

0.1250

0.375

0.44

0.1562

0.03

0.012

F1/8B

0.1875

720

260

61

8

0.0625

0.1562

0.3125

0.359

0.1094

0.023

0.003

F3967

0.1406

391

165

62

11

0.0394

0.1875

0.3125

0.359

0.1094

0.023

0.003

F4763A

0.1406

391

165

65

11

0.0394

0.1875

0.375

0.422

0.125

0.023

0.003

F4763B

0.1562

730

271

56

8

0.0625

0.2500

0.375

0.422

0.125

0.023

0.003

F6350A

0.1562

391

165

54

11

0.0394

0.2500

0.5

0.547

0.125

0.023

0.005

F6350B

0.1562

730

271

38

8

0.0781

0.2500

0.625

0.69

0.196

0.042

0.012

F1/4A

0.2272

1.651

670

43

8

0.0984

0.3125

0.5

0.547

0.1562

0.031

0.005

F7938

0.1875

539

279

45

12

0.0469

  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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