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Weight Per Bearing

Static Load Rating

Extended Dynamic Load Ratings Ce

Permis- sible Speed Ng *

Co

Extralight (DUX)

lbs

kg

lbs

N

lbs

N

RPM

lbs

N

0.02 0.04 0.04 0.10

0.010 0.016 0.018 0.043

360 510 600 1,230

1,580 2,280 2,680 5,500

760 980 1,070 1,930

3,380 4,360 4,740 8,600

69,800 50,000 45,100 31,300

0.11 0.17 0.25 0.29

0.050 0.077 0.112 0.133

1,080 1,460 1,930 2,160

4,800 6,500 8,600 9,600

1,900 2,500 3,150 3,350

8,500 11,100 14,000 14,900

26,700 22,900 20,200 18,000

0.30 0.41 0.44 0.47 0.76

0.135 0.187 0.200 0.214 0.344

2,400 3,000 3,250 3,550 4,750

10,700 13,300 14,500 15,800 21,100

3,450 4,300 4,500 4,650 6,300

15,300 19,100 20,000 20,700 28,000

16,500 14,900 13,800 12,800 11,800

0.80 0.85 1.22 1.26 1.32

0.363 0.385 0.555 0.572 0.601

4,900 5,200 6,000 7,100 7,650

21,800 23,100 26,700 31,600 34,000

6,400 6,700 7,650 8,800 9,300

28,500 29,800 34,000 39,100 41,400

11,100 10,400 9,700 9,300 8,800

1.86 2.02 2.74 3.63 3.85

0.846 0.917 1.242 1.647 1.744

7,800 8,300 10,800 14,000 14,600

34,700 36,900 48,000 62,300 64,900

9,300 9,500 12,200 15,600 16,000

41,400 42,300 54,300 69,400 71,200

8,200 7,600 6,900 6,400 5,900

5.75 6.33 13.87

2.607 2.871 6.291

21,200 24,500 51,400

94,300 109,000 228,500

23,600 26,000 44,400

105,000 115,600 197,500

5,600 5,000 4,100

Light

Medium

Heavy

(DUL)

(DUM)

(DUH)

lbs

N

lbs

N

lbs

N

5 10 10 15

20 45 45 65

10 20 30 40

45 90 130 180

20 35 55 70

90 160 240 310

15 20 30 35

70 90 130 160

40 55 70 80

180 240 310 360

70 95 125 150

310 420 560 670

35 45 45 50 65

160 200 200 220 290

90 110 115 120 160

400 490 510 530 710

150 190 200 240 290

670 850 890 1070 1290

70 75 100 90 105

310 330 440 400 470

170 180 240 210 260

760 800 1070 930 1160

300 310 420 375 450

1330 1380 1870 1670 2000

135 150 180 230 240

600 670 800 1020 1070

330 360 440 550 575

1470 1600 1960 2450 2560

575 625 775 975 1000

2560 2780 3450 4340 4450

325 700

1450 3110

775 1400

3450 6230

1350 2800

6000 12460

FAFNIR SUPERPRECISION BEARINGS

Ultra-Light 3MM9300WI Series

PHYSICAL CHARACTERISTICS – LOAD RATINGS

Bearing Number

3MM9300WI 3MM9302WI 3MM9303WI 3MM9305WI

3MM9306WI 3MM9307WI 3MM9308WI 3MM9309WI

3MM9310WI 3MM9311WI 3MM9312WI 3MM9313WI 3MM9314WI

3MM9315WI 3MM9316WI 3MM9317WI 3MM9318WI 3MM9319WI

3MM9320WI 3MM9322WI 3MM9324WI 3MM9326WI 3MM9328WI

3MM9330WI 3MM9334WI 3MM9340WI

  • *

    Limits shown for a single row, spring preloaded and grease lubricated bearing.

R A D I A L L O A D R A T I N G A T 3 3 1 3 R P M Based on 1500 hours L10 Life and Permissible Speed

Preload Levels

18

102800

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