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

Backstops, Overrunning Clutch, Sprag Clutch manufacturer / supplier in China, offering Complete Freewheels with Sprag for Bolting to The Face (BD...X), Ge...Ho 2RS Series Spherical Plain Bearings Bore Size 20mm-80mm, One Way Clutch Sprag Type Freewheel Made of Gcr15 and so on.

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Supplier Homepage Product cam clutch (backstop clutch) Complete Freewheels with Sprag for Bolting to The Face (BD...X)

Complete Freewheels with Sprag for Bolting to The Face (BD...X)

FOB Price: US $120 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $120/ Piece
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Production Capacity: 10000PCS/Month
Transport Package: Single Box or as Your Requirements
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: BD 20
  • Type: Dx
  • Outside Diameter: 106mm
  • Weight: 3.8kgkg
  • OEM: Accept
  • Port: Shanghai;Ningbo
  • Specification: P6
  • HS Code: 84826000
  • Model: Bd 20
  • Precisiom: P6
  • Inside Diameter: 30mm
  • Width: 77mm
  • Package: Single Box or as Your Rrquirements
  • Trademark: SUMA or OEM
  • Origin: Changzhou, Jiangsu, China
Product Description

 
Product Description

Features
Complete Freewheels BD X are sealed sprag freewheels with ball bearings and sprag lift-off
X. They are supplied oil-filled. The sprag lift-off X ensures wear-free freewheel - ing operation when the inner ring rotates at high speed. The freewheels BD X are used as:
Backstops
Overrunning Clutches
for applications with high speed freewheeling operation and when used as an overrunning
clutch with low speed driving operation. Nominal torques up to 42 500 Nm. Bores up to 150 mm.
 
Application example
Complete Freewheel BD 45 SX as an overrunning clutch on the shaft end of the high speed
rotating main drive of a textile machine. The sprocket is linked to an auxiliary drive. In normal
operation (freewheeling operation) the inner ring overruns and the outer ring is at a standstill
with the bolted on sprocket. During set-up, the machine is driven by the slowly running auxiliary drive via the chain drive and the freewheel that is working in the driving operation. With the high speed of the inner ring in freewheeling operation, the type sprag lift-off X is used; the sprags work in freewheeling operation without contact and hence are wear-free.
 
Freewheel SizeTypeNominal torque
MN
Nm
Spraglift-off at inner ring speed
 min-1
Max speedBore
d
 
BDFG**HKLRSTZ**Weight
 
 
 
kg

Inner ring freewheels
/overruns
min-1
Outer ring drives min-1
StandardMax
min-1min-1min-1min-1min-1min-1min-1min-1min-1min-1min-1min-1min-1
BD 20DX4207501 70030030    
3065,51060,75M 626577700,59063,8
BD 25DX7007001 6002803540
4081,51260,75M 630593800,510566,6
BD 30DX1 2506301 6002524550
5088,51510,75M 83661021001,5130610,3
BD 40SX1 9004301 50017245556060102,51810,75M 103761161203,5160617,4
BD 45SX2 3004001 50016055657070115,51961,25M 123861301305,0170822,4
BD 52SX5 6003201 50012865758080130,52161,75M 144481501504,5190831,1
BD 55SX7 7003201 25012875859090146,52461,75M 1448101701602,5215845,6
BD 60SX14 5002501 1001008595100105182,52911,75M 1455102061902,5250878,2
BD 70SX21 0002401 00096120

120192,53211,25M 1658102152105,0280893,4
BD 100UX42 50021075084150

150248,54113,75M 2079102762706,536510198,4
 
Mounting
The customer attachment part is centered on the diameter R and bolted on to the face. The
pilot on the covers is particularly suitable for attaching smaller and narrower parts (sprockets,
gear wheels etc.). The customer must provide fastening screws of the necessary length in order to mount the attachment part. The tolerance of the shaft must be ISO h6 or j6 and the tolerance of the pilot diameter R of the attachment part must be ISO H7 or J7.
 
Example for ordering
Freewheel size BD 30, type with sprag lift-off X and 45 mm bore:
BD 30 DX, d = 45 mm
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