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FAFNIR SUPERPRECISION BEARINGS

Medium 300WI Series

2MM306WI

16,600

13,300

8,800

3.5

5.6

2.35

3.14

28,200

22,500

15,000

2MM307WI

14,400

11,500

7,700

4.6

7.4

3.07

4.10

24,500

19,600

13,100

2MM308WI

12,700

10,100

6,800

6.4

10.2

4.25

5.66

21,500

17,200

11,500

2MM309WI

11,300

9,100

6,000

8.5

13.6

5.68

7.58

19,300

15,400

10,300

2MM310WI

10,200

8,200

5,400

11.1

17.8

7.4

9.9

17,300

13,900

9,200

2MM301WI

35,700

28,600

19,000

0.6

1.0

0.40

0.53

60,700

48,600

32,400

2MM302WI

28,600

22,900

15,200

0.7

1.2

0.49

0.65

48,600

38,900

25,900

2MM303WI

27,600

22,100

14,700

1.2

2.0

0.83

1.10

46,900

37,500

25,000

2MM304WI

24,200

19,300

12,900

1.5

2.5

1.03

1.38

41,100

32,800

21,900

2MM305WI

19,700

15,700

10,500

2.3

3.8

1.57

2.09

33,400

26,700

17,800

2MM311WI

9,300

7,400

5,000

14.2

22.7

9.5

12.6

15,800

12,600

8,400

2MM312WI

8,600

6,800

4,600

17.7

28.3

11.8

15.8

14,500

11,600

7,800

2MM313WI

7,900

6,300

4,200

20.7

33.2

13.8

18.5

13,400

10,700

7,100

2MM314WI

7,400

5,900

3,900

25.2

40.3

16.8

22.4

12,500

10,000

6,700

2MM319WI

5,600

4,400

3,000

60.9

97.4

40.6

54.1

9,400

7,500

5,000

“DB” Mounting

Grease Capacity

Kluber Isoflex NBU 15

“DB” Mounting

15 Degree

(DUL)

(DUM)

(DUH)

25 %

40 %

15 %

20 %

(DUL)

(DUM)

(DUH)

Contact Angle

Light

Medium

Heavy

(grams)

(grams)

(grams)

(grams)

Light

Medium

Heavy

Notes: For 3MM (25 Degree Contact Angle) Spindle Bearings, use 90% of the Permissible Operating

  • *

    For 2MMC and 3MMC Spindle Bearings, use 120% of the Permissible Operating Speeds.

For other bearing configurations beside a back-to-back mounted duplex set, please refer to page E36 to permissible operating speed (Sp.).

Speeds above.

calculate the

PERMISSIBLE OPERATING SPEEDS – RPM 2MM & 3MM Superprecision Angular Contact Spindle Bearings

GREASE

OIL

74

102800

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