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

Backstop, Overrunning Clutch, Indexing Freewheel manufacturer / supplier in China, offering Fcn 12 Internal Freewheels with Roller, 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 one way clutch (indexing clutch) Fcn 12 Internal Freewheels with Roller

Fcn 12 Internal Freewheels with Roller

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Shanghai, China
Production Capacity: 10000PCS/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: FCN 12
  • Type: R
  • Inner Diameter: 12mm
  • Nominal Torque: 11nm
  • OEM: Accept
  • Trademark: SUMA or OEM
  • Specification: P6
  • HS Code: 84836000
  • Model: Fcn 12
  • Outer Diameter: 32mm
  • Weight: 0.05kg
  • Material: Gcr15
  • Delivery: 10-15days
  • Transport Package: Single Box or as Your Requirements
  • Origin: Changzhou, Jiangsu, China
Product Description
Internal Freewheels FCN R
for press fit on the outer ring
with rollers
Internal Freewheels FCN R are roller freewheels without bearing support and with series
62 ball bearing dimensions. The outer ring is pressed into the customer housing. This makes compact, space-saving fitting solutions possible. The freewheels FCN R are used as:
 Overrunning Clutches
 Indexing Freewheels
Nominal torques up to 840 Nm. The torque is transmitted on the outer ring by press fit.
Bores up to 80 mm.
Freewheel SizeTypeNominal t orque Inner ring freewheels/Max.speedBore d B D K Weight
MNoverruns min-1Outer ring freewheels/mmmmmmmmkg
Nm overruns min-1     
FCN 8R 3,2 4 3006 700 8 8 24 280,02
FCN 10R 7,3 3 5005 300 10 9 30 350,03
FCN 12R 11,0 3 2005 000 12 10 32 370,05
FCN 15R 12,0 2 8004 400 15* 11 35 400,08
FCN 20R 40,0 2 2003 300 20* 14 47 540,12
FCN 25R 50,0 1 9002 900 25* 15 52 600,15
FCN 30R 90,0 1 6002 400 30* 16 62 700,24
FCN 35R 135,0 1 3502 100 35* 17 72 800,32
FCN 40R 170,0 1 2001 900 40* 18 80 900,40
FCN 45R 200,0 1 1501 750 45* 19 85 960,45
FCN 50R 220,0 1 0501 650 50* 20 90 1000,50
FCN 60R 420,0 8501 350 60* 22 110 1220,80
FCN 80R 840,0 6901 070 80* 26 140 1551,40
Application example
Internal Freewheel FCN 30 R as overrunning freewheel in the drive of the roof brush of an automatic car wash ing facility. The freewheel is arranged in the hub of a shaft coupling that
connects the motor and the reduction gear. The freewheel prevent the drive from pushing the
roof brush uncontrolled down onto the car roof in the event of a fault. The roof brush is raised
by the freewheels that are working in driving oper ation. The direction of motor rotation changes in order to lower the brush. The downwards movement of the roof brush is performed
by its own weight at the speed specified by the motor. In the case of an uncontrolled
lowering of the roof brush on the car roof, the drive is automatically disengaged via the
freewheel. The brush rests on the roof under its own weight, while the freewheel which is working in driving operation enables the drive to continue to turn in the lowering direction with -
out causing any damage.
Internal freewheels FCN R are without bearing support. Concentric alignment of inner and
outer ring must be provided by the customer. The torque is transmitted on the outer ring by
press fit. In order to transmit the torques specified in the table, the outer ring must be accommodated in a housing with an external diameter K. The housing is made of steel or grey
cast iron in minimum quality GG-20. When using other housing materials or smaller external
diameters, we urge you to contact us regarding the transmissible torque. The tolerance of the housing bore D must be ISO H7 or J6 and the tolerance of the shaft must be ISO h6 or j6.
An oil lubrication of the specified quality must be provided.

Example for ordering
Freewheel size FCN 30, standard type:
? FCN 30 R
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