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FAFNIR SUPERPRECISION BEARINGS

Extra-Light 2MM9100WI & 3MM9100WI Series

Superprecision MM: Superprecision bearings are manufactured to a ABEC-7 (ISO P4) tolerance class.

d

D

WI Construction: This design incorporates a low shoulder on the non-thrust side of the outer rings. The maximum complement of balls is separated by a one-piece cage which is piloted against the ground land of the outer ring.

C

To specify a ceramic hybrid bearing, add “C” to the part number, after the prefix that specifies precision type.

3MM

in.

mm

in.

m

in.

mm

in.

m

in.

mm

in.

m

in.

mm

Qty.

(Dia.) in.

9100WI

0.3937

10

1.5

4

1.0236

26

2.0

5

0.3150

8

16

40

0.012

0.3

8

3 16

9101WI

0.4724

12

1.5

4

1.1024

28

2.0

5

0.3150

8

31

80

0.012

0.3

10

3 16

9102WI

0.5906

15

1.5

4

1.2598

32

2.5

6

0.3543

9

31

80

0.012

0.3

12

3 16

9103WI

0.6693

17

1.5

4

1.3780

35

2.5

6

0.3937

10

31

80

0.012

0.3

11

3 16

9104WI

0.7874

20

2.0

5

1.6535

42

2.5

6

0.4724

12

47

120

0.024

0.6

11

1 4

9105WI

0.9843

25

2.0

5

1.8504

47

2.5

6

0.4724

12

47

120

0.024

0.6

13

1 4

9106WI

1.1811

30

2.0

5

2.1654

55

3.0

7

0.5118

13

47

120

0.039

1.0

14

9 32

9107WI

1.3780

35

2.5

6

2.4409

62

3.0

7

0.5512

14

47

120

0.039

1.0

15

5 16

9108WI

1.5748

40

2.5

6

2.6772

68

3.0

7

0.5906

15

47

120

0.039

1.0

16

5 16

9109WI

1.7717

45

2.5

6

2.9528

75

3.0

7

0.6299

16

47

120

0.039

1.0

17

1132

9110WI

1.9685

50

2.5

6

3.1496

80

3.0

7

0.6299

16

47

120

0.039

1.0

18

1132

9111WI

2.1654

55

3.0

7

3.5433

90

3.0

8

0.7087

18

59

150

0.039

1.0

18

1332

9112WI

2.3622

60

3.0

7

3.7402

95

3.0

8

0.7087

18

59

150

0.039

1.0

19

1332

9113WI

2.5591

65

3.0

7

3.9370

100

3.0

8

0.7087

18

59

150

0.039

1.0

20

1332

9114WI

2.7559

70

3.0

7

4.3307

110

3.0

8

0.7874

20

59

150

0.039

1.0

19

1532

Outside Diameter

Nominal Dimension

  • *

    Refer to page E4 for width tolerance of preloaded bearings.

** ABMA std. 20 (ras max

).

Tolerance +.0000" +.0m to minus

2MM &

DIMENSIONS – TOLERANCES All inch tolerance in .0001 units

Width *

Maximum

Fillet Radius Bearing Corner

will Clear **

Ball Complement

Bearing Number

Nominal Dimension

Tolerance +.0000" +.0m to minus

Bore

Nominal Dimension

Tolerance +.0000" +.0m to minus

42

102800

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