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

Sprag Clutch, One Way Clutch Bearing, Conveyor Backstop manufacturer / supplier in China, offering China Good Quality Complete Freewheel/Backstop Clutch for Hoist (RFB), Fgk Internal Freewheels for Press Fit on The Outer Ring, One Way Backstop Clutch (TSS cam clutch) and so on.

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Supplier Homepage Product cam clutch (backstop clutch) China Good Quality Complete Freewheel/Backstop Clutch for Hoist (RFB)

China Good Quality Complete Freewheel/Backstop Clutch for Hoist (RFB)

FOB Price: US $50 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $50/ Piece
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Production Capacity: 20000piece/Month
Transport Package: Single Box or as Your Requirements
Payment Terms: T/T, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: RFB350
  • Maximum Torque: 700lb-Ft
  • Width (Mm): 85-480
  • Precision: P6
  • Package: Single Box or as Your Requirements
  • Port: Shanghai;Ningbo
  • Specification: P6
  • HS Code: 84836000
  • Model: Rfb350
  • Nominal Torque: 350lb-Ft
  • Outside Diameter: 6mm
  • OEM: Accept
  • Delivery: 10-15days
  • Trademark: SUMA or OEM
  • Origin: Changzhou China
Product Description
Complete Freewheels RFB
with torque arm and clamping collar or mounting flange
with sprags and grease lubricated ball bearings
 
Features
Complete Freewheels RFB are sprag freewheels with sealed grease lubricated ball bearings that require no maintenance. They are supplied with a clamping collar or a flange for direct mounting to standard bushings. The freewheels RFB are used as:
Backstops
Maximum torques to 900 lb-ft.
Bores up to 6 inch with clamping collar.
 
Application example
Complete Freewheel RFB as a backstop on a radial fan. The backstop prevents reverse rotation of the fan shaft from air flow or from incorrectly polarized drive motor.
 
Freewheel SizeTypeMaximum torque mm lb-ftNominal toque mm
Lb-ft
Maximum speed innerring freewheel rpmBoredA
 
 
 
inch
C
 
 
 
inch
F
 
 
 
inch
M
 
 
 
inch
O
 
 
 
inch
Q
 
 
 
inch
Connection/Bushing Type
Min.inchMax.inch
RFB350C700350180013.9460.751.342.0516.63Shaft end mounted
RFB450C900450180046.0080.751.342.0516.63Shaft end mounted
RFB450QD 
900
 
450
 
 
1800
--80.751.340.5316.63E
F
J
RFB450Taper Lock9004501800--80.751.340.5316.633020
30525
4030
Mounting
Backstops RFB are mounted with either a clamping collar to shaft end or a mounting flange that can be connected directly to a QD or Taper Lock bushing.
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