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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

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

deep groove flange extended inner ring 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 Ext Inner Ring 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

0.0469

0.1562

0.203

0.0625

0.013

0.003

FE1191

0.0937

163

44

129

6

0.0313

0.0550

0.1875

0.234

0.0781

0.023

0.003

FE1397

0.1094

239

67

114

6

0.0394

0.0781

0.25

0.296

0.0937

0.023

0.003

FE5/64

0.125

286

90

95

7

0.0394

0.0937

0.1875

0.234

0.0625

0.018

0.003

FE2380

0.0937

192

59

94

7

0.0313

0.0937

0.3125

0.359

0.1094

0.023

0.005

FE3/32

0.1406

644

215

62

7

0.0625

0.1250

0.25

0.296

0.0937

0.023

0.003

FE3175

0.125

292

97

80

7

0.0394

0.1250

0.3125

0.359

0.1094

0.023

0.003

FE1/8A

0.1406

644

215

65

7

0.0625

0.1250

0.375

0.44

0.1562

0.03

0.012

FE1/8B

0.1875

720

260

61

8

0.0625

0.1562

0.3125

0.359

0.1094

0.023

0.003

FE3967

0.1406

391

165

62

11

0.0394

0.1875

0.312

5

0.359

0.1094

0.023

0.003

FE4763A

0.1406

391

165

65

11

0.0394

0.1875

0.375

0.422

0.125

0.023

0.003

FE4763B

0.1562

730

271

56

8

0.0625

0.2500

0.375

0.422

0.125

0.023

0.003

FE6350A

0.1562

391

165

54

11

0.0394

0.2500

0.5

0.547

0.125

0.023

0.005

FE6350B

0.1562

730

271

38

8

0.0781

0.2500

0.625

0.69

0.196

0.042

0.012

FE1/4A

0.2272

1.651

670

43

8

0.0984

0.3125

0.5

0.547

0.1562

0.031

0.005

FE7938

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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