DC Sprag Type Clutch

Basic Information
Place of Origin: CHINA
Brand Name: SUMA
Certification: ISO SGS
Model Number: DC7221B(5C)-N
Minimum Order Quantity: 1
Price: USD8-USD12 PER PIECE
Packaging Details: Carton Box
Delivery Time: 3-5 Days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, Paypal
Supply Ability: 1000PCS Per Month
Product Name: One Way Clutch Bearing DC7221B(5C)-N Material: GCr15 Bearing Steel
Torque Capacity: 1279Nm Rotation Speed: 2600RPM
Unit Weight: 0.21Kg Warranty: 1 Year
Size: 72.217*88.877*21mm OEM: Accept
High Light:

DC Sprag Type Clutch

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2600RPM Sprag Type Clutch

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Extension One Way Sprag Clutch

              DC Sprag Type Clutch

Brief Introduction

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 transmission 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.

Technical Datas

Item DC72218(5C)-N
Material GCr15
Bore dia. 72.217 mm
Outer dia. 88.877 mm
Width 21 mm
Torque capacity 1279 N.m
Overrunning speeds (imax) 2600 r/min
Overrunning speeds (amax) 1300 r/min
Weight 0.31 kg
Package Carton box or as your requirements

 

Dimensions and Capacities

 

Size

 

 

 

TKN1)

Overrunning speeds  

Sprag space

 

 

NO.

of clips

 

No.

of sprags

Weight
nimax2) namax3) Øa+0.008
-0.005
Øc± 0.013 emin Ødmin Øbmax
[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

NOTES
1) T max = 2 × T KN
» Refer to Selection page 12 to 19
2) Inner race overruns
3) Outer race overruns
*) The inner cage centering flange is on the opposite
side
**) Extension of tolerance to ± 0,013 permissible

DC.jpg

Mounting Example

DC.jpg

Pictures
 DC Sprag Type Clutch 2

DC Sprag Type Clutch 3

Contact Details
Ellen Zhang

Phone Number : 86-18068536660

WhatsApp : +8618068536660