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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 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 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

1191-2Z

0.125

163

44

164

6

0.03125

0.055

0.1875

0.234

0.1094

0.031

0.003

1397-2Z

0.1406

239

67

140

6

0.0394

0.0781

0.25

0.296

0.1406

0.031

0.003

5/64-2Z

0.1719

286

90

117

7

0.0394

0.0937

0.1875

0.234

0.0937

0.031

0.003

2380-2Z

0.125

192

59

120

7

0.03125

0.0937

0.3125

0.359

0.1406

0.031

0.005

3/32-2Z

0.1719

644

215

72

7

0.0625

0.125

0.25

0.0937

0.003

3175/002-2Z

0.125

292

97

80

7

0.0394

0.125

0.25

0.296

0.1094

0.031

0.003

3175-2Z

0.1406

292

97

87

7

0.0394

0.125

0.3125

0.359

0.1406

0.031

0.003

1/8A-2Z

0.1719

644

215

75

7

0.0625

0.125

0.375

0.422

0.1406

0.031

0.003

1/8A/6-2Z

0.1719

644

215

82

7

0.0625

0.125

0.375

0.44

0.1562

0.03

0.012

1/8B-2Z

0.1875

720

260

61

8

0.0625

0.125

0.5

0.1719

0.012

1/8B/083-2Z

720

260

74

8

0.0625

0.1562

0.3125

0.1094

0.003

3967/003-2Z

0.1406

391

165

62

11

0.0394

0.1562

0.3125

0.359

0.125

0.036

0.003

3967-2Z

0.1562

391

165

68

11

0.0394

0.1562

0.5

0.1094

0.003

3967/082-2Z

0.1406

391

165

69

11

0.0394

0.1875

0.3125

0.1094

0.003

4763A/002-2Z

0.1406

391

165

65

11

0.0394

0.1875

0.3125

0.359

0.125

0.036

0.003

4763A-2Z

0.1562

391

165

70

11

0.0394

0.1875

0.375

0.422

0.125

0.031

0.003

4763B-2Z

0.1562

730

271

56

8

0.0625

0.1875

0.5

0.1094

0.003

4763A/082-2Z

0.1406

391

162

70

11

0.0394

0.1875

0.5

0.1562

0.012

3/16/002-2Z

1.339

488

50

7

0.0938

0.1875

0.5

0.565

0.196

0.042

0.012

3/16-2Z

0.2272

1.339

488

57

7

0.0938

0.1875

0.625

0.69

0.042

0.012

1/4A/0001-2Z

1.651

670

41

8

0.0984

0.25

0.375

0.422

0.125

0.036

0.003

6350A-2Z

0.1562

391

165

54

11

0.0394

0.25

0.5

0.547

0.1875

0.045

0.005

6350B-2Z

0.2188

730

271

49

8

0.0781

0.25

0.625

0.69

0.196

0.042

0.012

1/4A-2Z

0.2272

1.651

670

43

8

0.0984

0.25

0.75

0.2188

0.016

1/4/002-2Z

2.522

1.057

35

8

0.125

0.25

0.75

0.2812

0.016

1/4-2Z

2.522

1.057

41

8

0.125

0.3125

0.5

0.547

0.1562

0.031

0.005

7938-2Z

0.1875

539

279

45

12

0.0469

0.375

0.875

0.2188

0.016

3/8/002-2Z

2.555

1.129

30

8

0.125

0.375

0.875

0.969

0.2182

0.062

0.016

3/8-2Z

2.555

1.129

35

8

0.125

0.5

1.125

1.225

0.3125

0.062

0.016

1/2-2Z

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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