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FAFNIR SUPERPRECISION BEARINGS

Medium 2MM300WI Series

2MM301WI

0.13

0.061

1,060

4,700

2,550

11,300

47,600

5

20

15

70

40

180

2MM302WI

0.19

0.087

1,320

5,900

2,750

12,200

38,100

10

40

25

110

50

220

2MM303WI

0.23

0.104

1,630

7,300

3,900

17,300

36,800

15

70

35

160

70

310

2MM304WI

0.30

0.137

2,200

9,800

5,000

22,200

32,200

20

90

50

220

90

400

2MM305WI

0.49

0.221

3,450

15,300

6,950

30,900

26,200

35

160

75

330

140

620

2MM311WI

2.94

1.332

12,200

54,300

20,800

92,500

12,400

125

560

250

1110

475

2110

2MM312WI

3.67

1.665

14,300

63,600

23,600

105,000

11,400

125

560

300

1330

550

2450

2MM313WI

4.63

2.101

18,000

80,100

28,500

126,800

10,500

150

670

375

1670

675

3000

2MM314WI

5.62

2.548

20,800

92,500

32,000

142,300

9,800

175

780

425

1890

775

3450

2MM319WI 12.32

5.587

35,500

157,900

47,500

211,300

7,400

300

1330

700

3110

1400

6230

Bearing

Weight

Static

Extended

Permis-

Number

Per Bearing

Load Rating

Dynamic

sible

2MM306WI

0.72

0.328

4,500

20,000

8,800

39,100

22,100

40

180

100

440

175

780

2MM307WI

0.98

0.443

5,700

25,400

10,600

47,100

19,200

50

220

125

560

225

1000

2MM308WI

1.34

0.608

7,200

32,000

12,900

57,400

16,900

65

290

150

670

275

1220

2MM309WI

1.78

0.809

8,650

38,500

15,300

68,100

15,100

75

330

175

780

350

1560

2MM310WI

2.31

1.046

10,400

46,300

18,000

80,100

13,600

100

440

225

1000

400

1780

RADIAL LOAD RATING AT 33 13 RPM Based on 1500 hours L10 Life and Permissible Speed

Preload Levels **

PHYSICAL CHARACTERISTICS – LOAD RATINGS

preloaded and grease lubricated bearing. are equivalent to the table above.

Extralight

Light

Medium

(DUX)

(DUL)

(DUM)

N

  • *

    Limits shown for a

** All ceramic hybrid

single row, spring bearing preloads

lbs

N

lbs

N

lbs

N

Load Ratings

Speed

Ce

Ng *

lbs

Heavy (DUH)

lbs

lbs

N

RPM

kg

N

lbs

Co

70

102800

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