Changzhou TIANNIU Transmission Equipment Co., Ltd is a professional one way clutch bearing supplier, the primary products are micro electromagnetic clutch, torque limiter coupling, sliding shaft
DC Series Sprag Type Backstop Clutch Freewheel Cage GCr15
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DC Series Sprag Type Backstop Clutch Freewheel Cage GCr15
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Brand Name :SUMA or OEM
Model Number :DC, DC
Place of Origin :Jiangsu, China
MOQ :10
Type :DC Series
Precision Rating :P0
Seals Type :non-sealed
Race Material :GCr15
Material :GCr15
Drag Torque :50-3900 Nm
Sprag Space :8.33-9.5 mm
Minimum Plain Width :e (varies by model)
Surface Hardness :HRC 60-62
Core Hardness :HRC 35-45
Surface Roughness :≤22CLA
Maximum Taper :0.007 mm per 25 mm width
Number of Clips :3-11 (varies by model)
Inner Diameter :22.225-123.881 mm
Outer Diameter :38.885-142.88 mm
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Backstop Clutch DC Sprag Type Freewheel Cage DC
Product Description
Feature
Type DC is a sprag type freewheel cage without inner or outer races. It must be installed in a design providing races, bearing support for axial and radial loads, lubrication and sealing. The DC type version-N accepts all types of lubricants currently used in the power transmis-sion equipement. The sprag space tolerance must not be exceeded. Inner and outer races must both have a minimum plain width "e", without any recess, to ensure the freewheel functions correctly as shown on following pages. Alternatively, races can be made in case hardened steel shafts, or housings, to the specification below. Surface hardness of the finished part should be HRC 60 to 62, for a depth of 0, 6 mm minimum. Core hardness to be HRC35 to 45. Surface roughness not to exceed 22CLA. Maximum taper between races: 0, 007 mm for 25 mm width.
Type
Drag torque
Size(mm)
Number of clips
Tkn(NM)
a
c
sprag space
e
d
b
DC2222G
50
22.225
38.885
8.33
10
50
17
DC2776
95
27.762
44.422
8.33
13.5
58
21
DC3034
99
30.34
47
8.33
13.5
62
23
DC3175(3C)
127
31.75
48.41
8.33
13.5
63
24
3
DC3809A
220
38.092
54.752
8.33
16
71
29
DC4127(3C)
179
41.275
57.935
8.33
13.5
75
32
3
DC4445A
290
44.45
61.11
8.33
16
79
34
DC4972(4C)
245
49.721
66.381
8.33
13.5
86
38
4
DC5476A
420
54.765
71.425
8.33
16
92
42
DC5476A(4C)
420
54.765
71.425
8.33
16
92
42
4
DC5476B(4C)
615
54.765
71.425
8.33
21
92
42
4
DC5476C(4C)
792
54.765
71.425
8.33
25.4
92
42
4
DC5776A
483
57.76
74.42
8.33
16
98
44
DC6334B
645
63.34
80
8.33
21
104
50
DC7221(5C)
540
72.217
88.877
8.33
13.5
115
56
5
DC7221B
1023
72.217
88.877
8.33
21
115
56
DC7221B(5C)
1023
72.217
88.877
8.33
21
115
56
5
DC7969C(5C)
1630
79.698
96.358
8.33
25.4
124
61
5
DC8334C
1645
83.34
100
8.33
25.4
132
65
DC8729A
1000
87.29
103.96
8.33
16
134
67
DC10323A(3C) *
1290
103.231 **
119.891
8.33
16
155
80
3
DC12334C *
3840
123.34 **
140
8.33
25.4
184
96
DC12388C(11C)
3900
123.881
142.88
9.5
25.4
196
96
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Company Information
Changzhou Suma Precision Machinery Co., Ltd(Changzhou Tianniu Clutch Factory)is a manufacturer specialized in Producing Various cam clutch, one way bearing, one way clutch, backstop clutch, overrunning clutch and other bearings with high technology.
We are following "Best Quality, Best Price, Fast Delivery, Best Serves" to make all of our old and new customers satisfied.
Our Advantages 1. Advanced producing equipment. 2. Strict requirement for the raw material 3. Complete&perfect process flow 4. Good quality of each batch of the product 5. Different grades of price for different quality
Production&Text
PackingShipping
FAQ
Q: Why do we choose your company?
A: We always insist quality first. We have our bearing factory, therefore we have advantage in quality control and price of one way clutch bearing.
Q:What is the delivery time?
A: Most of the bearing we have stock. For small quantity, we will arrange delivery within 15 days.
Q: What is your payment term?
A: Our payment term include L/C, T/T, Western Union, Paypal etc.
Q: Can you send bearing samples first?
A: Yes, we can send bearing samples of one way clutch bearing to check quality first.
If you have any needs, pls contact me at any time!
