Gold Member Since 2014
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Changzhou Suma Precision Machinery Co., Ltd.

Fs Backstop, Sprag Clutch, Backstop Clutch manufacturer / supplier in China, offering Fs-20-3 Sprag Type Backstop Clutch From China Manufacturer, Nfs200 One Way Indexing Clutch Roller Type, Complete Freewheel/Overrunning Clutch with Shaft Coupling (FR...300CA) and so on.

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Supplier Homepage Product cam clutch (backstop clutch) Fs-20-3 Sprag Type Backstop Clutch From China Manufacturer

Fs-20-3 Sprag Type Backstop Clutch From China Manufacturer

FOB Price: US $5-50 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $5-50/ Piece
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Port: Shanghai, China
Production Capacity: 50000PCS/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: FS-20-3
  • Type: Sprag
  • Torque Capacity (N.M): 52.8
  • Outer Race Size (mm): 39.99/39.95
  • Thickness (mm): 25.4
  • Market: Global
  • Transport Package: Single Box or as Your Requirements
  • Origin: Changzhou, Jiangsu, China
  • Product Name: Fs-20-3 Sprag Type Backstop Clutch From China Manu
  • Material: Bearing Steel
  • Weight (Kg): 0.22
  • Inner Race Size (mm): 16.51/16.49
  • OEM: Accept
  • Trademark: SUMA
  • Specification: bearing steel
  • HS Code: 84836000
Product Description
Description of FS-20-3 Sprag Type Backstop Clutch from China Manufacturer
Series 20 and 50 clutches provide all the outstanding features of the design for backstop applications with the exception that the customer supplies his own inner race, and provides the con centricity between the races.
This assembly is particularly advantageous on such applications as gear reducers where the backstop can be incorporated into a bearing bore and an extension of an existing shaft can be used for an inner race.
The outer surface of this clutch is basically the same as the outer surface of a standard bearing. The tolerance on the outer diameter is held to insure a proper fit (without pressing) into a continuation of the bore which accommodates the adjacent bearing. The tolerance on this bore should follow the bearing manufacturer's recommendation for the bearing used. Taper within this bore should not exceed 0.0002 inch per inch.
FS 20 and 50 clutches are oil dipped at the factory but must be filled to the proper level before operation.
The model FS 50 can not be used with lubricants that contain EP additives. The model FS 20 has a special sprag design that will work with all types of lubricants including those with EP additives.
Data sheet of FS-20-3 Sprag Type Backstop Clutch from China Manufacturer
Torque Capacity (N.m)52.8
Overrunning Speed (Inner Race only) Max. RPMGrease Oil-Mist or Sprag2500
Pressure Lubrication or Oil Bath2500
Weight (Kg)0.22
Standard Bearing Sizes O.D.Dia.203
Outer Race Size (mm)39.99/39.95
Inner Race Size (mm)16.51/16.49
Thickness (mm)25.4
Key Size (mm)3.48 x 1.57
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