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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 2z shield 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)

Ext Inner

Ring 2Z 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

E1191-2Z

0.125

163

44

164

6

0.03125

0.055

0.1875

0.234

0.1094

0.031

0.003

E1397-2Z

0.1406

239

67

140

6

0.0394

0.0781

0.25

0.296

0.1406

0.031

0.003

E5/64-2Z

0.1719

286

90

117

7

0.0394

0.0937

0.1875

0.234

0.0937

0.031

0.003

E2380-2Z

0.125

192

59

120

7

0.03125

0.0937

0.3125

0.359

0.1406

0.031

0.005

E3/32-2Z

0.1719

644

215

72

7

0.0625

0.125

0.25

0.0937

0.003

E3175/002-2Z

0.125

292

97

80

7

0.0394

0.125

0.25

0.296

0.1094

0.031

0.003

E3175-2Z

0.1406

292

97

87

7

0.0394

0.125

0.3125

0.359

0.1406

0.031

0.003

E1/8A-2Z

0.1719

644

215

75

7

0.0625

0.125

0.375

0.422

0.1406

0.031

0.003

E1/8A/6-2Z

0.1719

644

215

82

7

0.0625

0.125

0.375

0.44

0.1562

0.03

0.012

E1/8B-2Z

0.1875

720

260

61

8

0.0625

0.1562

0.3125

0.1094

0.003

E3967/003-2Z

0.1406

391

165

62

11

0.0394

0.1562

0.3125

0.359

0.125

0.036

0.003

E3967-2Z

0.1562

391

165

68

11

0.0394

0.1562

0.5

0.1094

0.003

E3967/082-2Z

0.1406

391

165

69

11

0.0394

0.1875

0.3125

0.1094

0.003

E4763A/002-2Z

0.1406

391

165

65

11

0.0394

0.1875

0.3125

0.359

0.125

0.036

0.003

E4763A-2Z

0.1562

391

165

70

11

0.0394

0.1875

0.375

0.422

0.125

0.031

0.003

E4763B-2Z

0.1562

730

271

56

8

0.0625

0.1875

0.5

0.1094

0.003

E4763A/082-2Z

0.1406

391

162

70

11

0.0394

0.1875

0.5

0.565

0.196

0.042

0.012

E3/16-2Z

0.2272

1.339

488

57

7

0.0938

0.1875

0.625

0.69

0.042

0.012

E1/4A/0001-2Z

1.651

670

41

8

0.0984

0.25

0.375

0.422

0.125

0.036

0.003

E6350A-2Z

0.1562

391

165

54

11

0.0394

0.25

0.5

0.547

0.1875

0.045

0.005

E6350B-2Z

0.2188

730

271

49

8

0.0781

0.25

0.625

0.69

0.196

0.042

0.012

E1/4A-2Z

0.2272

1.651

670

43

8

0.0984

0.3125

0.5

0.547

0.1562

0.031

0.005

E7938-2Z

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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