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One Way Clutch

A roller-type one-way clutch allows torque transmission in one direction while freewheeling in the opposite. It uses spring-loaded rollers wedged between inner and outer races to engage/disengage automatically. Compact and reliable, it’s widely used in transmissions, starters, and industrial machinery for overrunning or indexing applications


  • one way roller bearing
  • one way roller bearing
  • one way roller bearing
  • one way roller bearing
  • one way roller bearing
  • one way roller bearing

One Way Clutch Features

ASNU NFS TFS is a roller type freewheel non-bearing supported. This backstop cam clutch supports axil and radial load. Lubrication and sealing must be also provided by installation.

Since ASNU NFS type one way clutch is a roller type without bearing supported, bearings are required to support axial and radial loads. Lubrication and sealing must also be provided by the installation. The inner race is keyed to the shaft. The outer race has positive n6 tolerance, to give a press fitin a H7 housing.




One Way Clutch Dimensions and Capacities:

One Way Clutch


Type

Size

TKN1)

Overrunning

Speeds


Weight

Drag torque

ASNU

(NFS)

dH7

nimax2)

namax3)

Dn6

D5

L

b

t

s

e

f

TR

[mm]

[Nm]

[min-1]

[min-1]

[mm]

[mm]

[mm]

[mm]

[mm]

[mm]

[mm]

[mm]

[kg]

[Ncm]

8

12

3300

5000

35

28

13

4

1.4

2.4

0.6

0.3

0.07

1.6

12

12

3300

5000

35

28

13

4

1.4

2.4

0.6

0.3

0.06

1.6

15

30

2400

3600

42

37

18

5

1.8

2.4

0.8

0.3

0.11

1.9

17

49

2300

3400

47

40

19

5

2.3

2.4

1.2

0.8

0.15

1.9

20

78

2100

3100

52

42

21

6

2.3

2.4

1.2

0.8

0.19

1.9

25

125

1700

2600

62

51

24

8

2.8

2.4

1.2

0.8

0.38

5.6

30

255

1400

2200

72

60

27

10

2.5

2.4

1.8

1

0.54

14

35

383

1200

1900

80

70

31

12

3.5

2.4

1.8

1

0.74

16

40

538

1100

1700

90

78

33

12

4.1

2.5

1.8

1

0.92

38

45

780

1000

1600

100

85

36

14

4.6

2.5

1.8

1

1.31

43

50

1013

850

1350

110

92

40

14

5.6

2.5

1.8

1

1.74

55

60

1825

750

1050

130

110

46

18

5.5

3.6

2.6

1.5

2.77

110

70

2300

600

950

150

125

51

20

6.9

3.6

2.6

1.5

4.16

140

80

3275

550

850

170

140

58

20

7.5

3.6

2.6

1.5

6.09

180

90

5325

500

750

190

160

64

20

8

3.6

2.6

2

8.2

230

100

7250

450

680

215

175

73

24

8.5

3.6

2.6

2

12.6

380

120

13500

370

550

260

215

86

28

10

3.6

2.6

2.5

22

650

150

26625

300

460

320

260

108

32

12

3.6

3.6

2.5

42

1000

200

44500

230

350

420

350

138

45

16

7.6

3.6

3

93

2000

NOTES

ASNU8-12, ASNU200 keyway to DIN 6885. 1,

other sizes to DIN 6885.3
1) T max = 2 × T KN
2) Inner race overruns
3) Outer race overruns

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One Way Clutch Mounting Example:


One Way Clutch


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