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ONE-WAY BEARINGS 

One-way sprag type freewheel clutches, Anti-rollback (runback) bearings

CSK Series One-Way Bearing (Sprag Freewheel) Leader of China!

                                          The CSK series one-way (clutch) bearing consists of a 62 series ball bearing (except CSK8 and 40). One-way bearings are widely used in mining /hydraulic / textile / printing / washing machines, conveyor systems and so on. CSK--P and CSK--PP series are available upon request. CSK-P features a keyway on the inner race;while CSK-PP features a keyway both on the inner race and outer race.See Keyseat specifications & mounting information.

             CSK Series

PART NUMBERS
DIMENSIONS
TORQUE
(N.m)
WEIGHT

 (KG

STIEBER
/1 KEYWAY
 /2 KEYWAYS
TSUBAKI
d
D
      W
CSK8-PP
.
8
22
9
2.0
0.015
CSK10 CSK10-P CSK10-PP   10 30 9 5.0 0.030
CSK12-PP
.
12
32
10
7.5
0.040
CSK15-PP
15
35
11
13.5
0.05
CSK17-PP
17
40
12
24.5
0.07
CSK20  
CSK20-PP
20
47
14
40
0.11
CSK25-PP
25
52
15
68
0.14
CSK30-PP
30
62
16
110
0.21
CSK35-PP
35
72
17
140
0.30
 CSK40   CSK40-PP
40
80
22
260
0.50
CSK6004       20 42 12 60 0.07
CSK6005       25 47 12 65 0.08
CSK6304   CSK6304-P CSK6304-PP   20 52 15 68 0.16
CSK6305   CSK6305-P CSK6305-PP   25 62 17 110 0.24
CSK6306   CSK6306-P CSK6306-PP   30 72 19 140 0.38

          CSK--2RS (WCB6200-) Series (sealed)

Model No

 Dimensions (mm)   

Bearing Loads
Torque
Tkn(N.m)
Weight
(KG)
     d     D      W     C[Kn]  Co[Kn]
CSK8 2RS
8
22
9
3.28
0.86
2.5
0.015
CSK12 2RS
12
32
14
6.1
2.77
7.5
0.05
CSK15 2RS
15
35
16
7.4
3.42
13.5
0.07
CSK17 2RS
17
40
17
7.9
3.8
24.5
0.09
CSK20 2RS
20
47
19
9.4
4.46
40
0.145
CSK25 2RS
25
52
20
10.7
5.46
68
0.175
CSK30 2RS
30
62
21
11.7
6.45
110
0.270
CSK35 2RS
35
72
22
12.6
7.28
140
0.40
CSK40 2RS
40
80
27
15.54
12.25
260
0.60
OW6004-2RS 20 42 14 7.80 3.80 50 0.075
OW6006-2RS 30 55 14  13.20 8.30 80     0.140 
OW6205-2RS 25 52 15 14 7.85 60 0.14
WCB6205-2RS 25 52 15 14 7.85 60 0.14

Remarks
1Max torque Tmax=2.5〜Tkn                                           2For keyseat sizes CSK15-35 use DIN6885.3.   For size CSK40 use DIN6885.1.  Special keyseat sizes are available upon request.

 

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