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DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
Specifications
Brand Name :
SUMA or OEM
Model Number :
DC7221B
Place of Origin :
Jiangsu, China
MOQ :
2
Type :
DC Series
Precision Rating :
P6
Seals Type :
non-sealed
Height :
21 mm
Drag Torque :
1023 N.m
Race Material :
GCr15
Inner Diameter :
72.217 mm
Outer Diameter :
88.877 mm
Sprag Space :
8.33 mm
Plain Width :
21 mm
Bore Diameter :
115 mm
Width :
56 mm
Surface Hardness :
HRC 60-62
Core Hardness :
HRC 35-45
Surface Roughness :
22CLA max
Description

DC 7221B Sprag Type Freewheel Cage One Way Bearing

Product Description
DC 7221B Sprag Type Freewheel Cage One Way Bearing

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.

DC 7221B Sprag Type Freewheel Cage One Way Bearing

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

11
Detailed Image

DC 7221B Sprag Type Freewheel Cage One Way BearingDC 7221B Sprag Type Freewheel Cage One Way BearingDC 7221B Sprag Type Freewheel Cage One Way BearingDC 7221B Sprag Type Freewheel Cage One Way BearingDC 7221B Sprag Type Freewheel Cage One Way BearingDC 7221B Sprag Type Freewheel Cage One Way BearingDC 7221B Sprag Type Freewheel Cage One Way Bearing

Certifications

DC 7221B Sprag Type Freewheel Cage One Way Bearing

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. DC 7221B Sprag Type Freewheel Cage One Way Bearing

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

Our Services

Pre-sale service:

We will delivery the goods in 10 days after your order is confirmed.

After sale service:

Our factory provide technical assistance to support every doubt during usage and maintenance.

Production&Text

DC 7221B Sprag Type Freewheel Cage One Way Bearing

PackingShipping

DC 7221B Sprag Type Freewheel Cage One Way Bearing

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!

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DC 7221B Sprag Type Freewheel Cage One Way Bearing

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Product Detail
Brand Name :
SUMA or OEM
Model Number :
DC7221B
Place of Origin :
Jiangsu, China
MOQ :
2
Type :
DC Series
Precision Rating :
P6
Contact Supplier
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing
DC 7221B Sprag Type Freewheel Cage One Way Bearing

Changzhou Tianniu Transmission Equipment Co., Ltd

Verified Supplier
4 Years
jiangsu, changzhou
Since 2007
Business Type :
Manufacturer, Exporter, Trading Company, Seller, Other
Main Products :
Plum Shaft Coupling, Oldham Shaft Coupling, Bellows Shaft Coupling
Total Annual :
8,000,000-10,000,000
Employee Number :
50~100
Certification Level :
Verified Supplier
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