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One Way EWC Series Needle Roller Bearing Auto Clutches

EWC Series One Way Clutches
EWC: Plastic Spring
1WC: Metal Spring
Heavy Load: EWC...C
Light Load: EWC...A
Heavy Load: 1WC

One Way EWC Series Needle Roller Bearing Auto Clutches

The needles in these bearings roll freely in one direction, but lock to transmit torque when the rotation of the shaft is reversed.Also known as drawn-cup roller clutches. An arrow on the lip indicates the rotational direction that locks the bearings.Single-row bearings do not support loads from any direction. To support radial loads, use with our Needle-Roller Bearings.Triple-row bearings support radial loads. The miniature one-way clutch consists of drawn cup, rollers, cage, and springs.The drawn cup, made of carburized steel sheet, has a unique structure: a protruding portion, which serves as a stopper of rotation on the outside surface at O.D. side, and a cam on the outer ring at bore side are provided.

ewc w.png

EWC: Plastic Spring 1WC: Metal Spring

Shaft Dia.

Model

Weight

DIMENSION

Torque Capacity

MM

g

Inner Dia. FW

Outer Dia.

Height

(N.m)

(kgf.cm)


D1-D2

B

4

EWC0406

1.2

4

8-8.4

6

0.08

0.8

1WC0406

1.5

4

8-8.4

6

0.15

1.5

6

EWC0606

2

6

8-8.4

6

0.19

1.9

1WC0606

2.2

6

8-8.4

6

0.33

3.5

EWC0608

2.2

6

10-10.4

8

0.25

2.5

1WC0608

2.5

6

10-10.4

8

0.45

4.5

1WC0612

3

6

10-10.4

12

0.9

9.5

8

EWC088.5

2.5

8

12-12.4

8.5

0.5

5.5

EWC0809

2.5

8

12-12.4

9

0.88

9

EWC0812

5.5

8

14.2-15

12

1.18

12

1WC0812

6

8

14.2-15

12

1.96

20

1WC0815

8

8

14.2-15

15

2.65

27

10

EWC1007

7

10

16-17

7

1.2

10

EWC1008

8

10

16-17

8

1.85

19

1WC1009

8.5

10

14-14.4

9

2.25

23

EWC1010

8

10

16-17

10

1.18

12

1WC1010

9

10

16-17

10

1.98

20

EWC1012

10

10

16-17

12

1.37

14

1WC1012

11

10

16-17

12

2.35

24

12

EWC1209

10

12

18-19

9

3.04

31

EWC1216

12

12

18-19

16

6.29

64

1WC1216

13

12

18-19

16

7.3

75