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One Way Freewheel Cage One Way Bearing DC7221B

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US$ 8 - 8 MOQ: 1 Piece
Key Specifications
Get Latest Price
Brand Name:
OEM or SUMA
Bore Size:
72.217,
Outside Diameter:
88.877,
Contact Supplier Request Quote Chat Now
Changzhou Suma Precision Machinery Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai; Ningbo
Delivery Detail:
Delivery time depends on order quantity.

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Brand Name OEM or SUMA
Bore Size 72.217,
Outside Diameter 88.877,
Model Number DC7221B
Precision Rating P6
Seals Type No-sealed
Place of Origin Jiangsu, China

  one way freewheel cage one way bearing DC7221B

Product Description

one way freewheel cage one way bearing DC7221B

 

         one way freewheel cage one way bearing DC7221B
Details 
Model DC7221B
Material GCr15
Type sprag
Inner Diameter 72.217mm
Outer Diameter 88.877mm
Weight 0.185kg
Width 21mm
Overrunning speed Inner race 2600r/min
Outer race 1300r/min
Application Industrial machines 

 

1.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.

2.The DC type version-N accepts all types of lubricants currently used in the power transmission equipement.
3.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 .

4.Alternatively, races can be made in case hardened steel shafts, or housings, 
Surface hardness of the finished part should be HRC 60 to 62, for a depth of 0,6 mm minimum.
5.Core hardness to be HRC35 to 45. Surface roughness not to exceed 22CLA. Maximum taper between races:0,007 mm for 25 mm width.

 

specifications

 one way freewheel cage one way bearing DC7221B

 

Size   Overrunning speeds   Sprag space  

Number

 

of  clips

Number

 

of sprags

 Weight
  TKN1) nimax2) namax3) Øa+0.008 Øc± 0.013   emin Ødmin Øbmax      
  -0.005
[Nm] [min -1] [min -1] [mm] [mm] [mm] [mm] [mm] [mm]     [kg]
DC2222G-N 63  8600  4300  22.225 38.885 8.33±0.075 10 50  15  – 12  0.03
DC2776-N 119  6900  3400  27.762 44.422 8.33±0.075 13.5 58  18  – 14  0.055
DC3034-N 124  6300  3100  30.34 47 8.33±0.075 13.5 62  20  – 14  0.06
DC3175(3C)-N 159  6000  3000  31.75 48.41 8.33±0.075 13.5 63  21  3  16  0.06
DC3809A-N 275  5000  2500  38.092 54.752 8.33±0.075 16 71  25  – 18  0.085
DC4127(3C)-N 224  4600  2300  41.275 57.935 8.33±0.075 13.5 75  27  3  18  0.09
DC4445A-N 363  4300  2100  44.45 61.11 8.33±0.1 16 79  29  – 20  0.095
DC4972(4C)-N 306  3800  1900  49.721 66.381 8.33±0.1 13.5 86  33  4  22  0.1
DC5476A-N 525  3500  1700  54.765 71.425 8.33±0.1 16 92  36  – 24  0.11
DC5476A(4C)-N 525  3500  1700  54.765 71.425 8.33±0.1 16 92  36  4  24  0.13
DC5476B(4C)-N 769  3500  1700  54.765 71.425 8.33±0.1 21 92  36  4  24  0.18
DC5476C(4C)-N 990  3500  1700  54.765 71.425 8.33±0.1 25.4 92  36  4  24  0.2
DC5776A-N 604  3300  1600  57.76 74.42 8.33±0.1 16 98  38  – 26  0.11
DC6334B-N 806  3000  1500  63.34 80 8.33±0.1 21 104  42  – 26  0.175
DC7221(5C)-N 675  2600  1300  72.217 88.877 8.33±0.1 13.5 115  48  5  30  0.14
DC7221B-N 1279  2600  1300  72.217 88.877 8.33±0.1 21 115  48  – 30  0.185
DC7221B(5C)-N 1279  2600  1300  72.217 88.877 8.33±0.1 21 115  48  5  30  0.21
DC7969C(5C)-N 2038  2400  1200  79.698 96.358 8.33±0.1 25.4 124  53  5  34  0.28
DC8334C-N 2055  2300  1100  83.34 100.000  8.33±0.1 25.4 132  55  – 34  0.27
DC8729A-N 1250  2200  1100  87.29 103.96 8.33±0.1 16 134  58  – 34  0.165
DC10323A(5C)*-N 1612  1800  900  103.231** 119.891 8.33±0.1 16 155  68  5  40  0.205
DC12334C*-N 4800  1500  750  123.340** 140.000  8.33±0.1 25.4 184  80  – 50  0.4
DC12388C(11C) 4875  1500  750  123.881 142.88 9.50±0.1 25.4 186  80  11  44  0.4

 

   Mounting example

one way freewheel cage one way bearing DC7221B

Detail images

one way freewheel cage one way bearing DC7221Bone way freewheel cage one way bearing DC7221Bone way freewheel cage one way bearing DC7221Bone way freewheel cage one way bearing DC7221Bone way freewheel cage one way bearing DC7221B

Certifications

one way freewheel cage one way bearing DC7221B  

Production and Test

one way freewheel cage one way bearing DC7221B 

FAQ

Q: Why do we choose your company?

A: We always insist quality firstly. We have our bearing factory, therefore we have advantage in quality control and price.

 

Q:What is the delivery time?

A: Most of the bearing we have stock. For small quantity, we will arrange delivery within 3 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 to check quality first.

 

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Changzhou Suma Precision Machinery Co., Ltd.
Business Type
Manufacturer, Trading Company
Year Established
2012
Factory Size
3,000-5,000 square meters
Total Employees
51 - 100 People
Contact Supplier Request Quote Chat Now

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