Jiangsu, China
Business Type:
Manufacturer/Factory & Trading Company
Year of Establishment:
Plant Area:
1500.0 square meters
Management System Certification:
ISO 9001, ISO 9000
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available

One Way Roller Bearing, Backstop, One Way Clutch manufacturer / supplier in China, offering Internal Freewheels Fnr8 with Rollers and Bearing, Cam Clutch Sprag Type One Way Bearing Cka 4090 Ck-A4090, Gez12es-Gez152es High Misalignment Spherical Plain Radial Bearing and so on.

Gold Member Since 2014
Audited Supplier

Internal Freewheels Fnr8 with Rollers and Bearing

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $10/ Piece
Port: Shanghai, China
Production Capacity: 10000PCS/Year
Payment Terms: T/T, Western Union, Paypal, Money Gram
Model: Fnr8
Type: Roller
Nominal Torque: 18nm
Weight: 0.1kg
Inner Diameter: 8mm
Outer Diameter: 37mm

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Basic Info

Model NO.: FNR8
Width: 20mm
OEM: Accept
Precision: P6
Trademark: SUMA or OEM
Transport Package: Single Box
Specification: P6
Origin: Changzhou
HS Code: 84836000

Product Description

Internal Freewheels FNR
for keyway connection on the outer ring
with rollers and bearing
Internal Freewheels FNR are roller freewheels with bearing support. The freewheels of sizes 8
to 20 have a sleeve bearing. The sizes 25 to 60 have ball bearings, these enable higher speeds in freewheeling operation. The freewheel is built into the customer housing. This makes compact, space-saving fitting solutions possible. The freewheels FNR are used as:
 Overrunning Clutches
 Indexing Freewheels
Nominal torques up to 3 000 Nm. The faces of both sides of the outer ring are provided with
grooves for torque transmission. Bores up to 60 mm.
Freewheel SizeNominal torqueMax. speedBore dBDEFNPWeight
MNInner ring freewheels/Outer ring freewheels/mmmmmmmmmmmmmmkg
Nmoverruns min-1overruns min-1        
FNR 8181 2001 20082037193063,00,1
FNR 12181 2001 200122037193063,00,1
FNR 1550950950153047233773,50,3
FNR 20112650650203662355083,50,6
FNR 252201 5503 350254080406894,01,3
FNR 304101 4003 0503048904575125,01,9
FNR 355001 3002 85035531005080136,02,6
FNR 407501 1502 50040631105590157,03,6
FNR 451 0201 1002 40045631206095167,04,2
FNR 501 9009502 050508013070110178,56,0
FNR 552 0009001 900558014075115189,06,8
FNR 603 0008001 800609515080125189,09,5
Application example
Internal Freewheel FNR 40 as an indexing freewheel for an incremental drive in the feed -
ing device of a wire processing machine. The indexing lever is driven by a crank operation.
The back and forth movement is transferred by the indexing freewheel in a gradual rotating
movement of the wire feeding device.
The tolerance of the housing bore D must be ISO H7 or G7 and the tolerance of the shaft must
be ISO h6 or j6. The outer ring has to be completely enclosed in a stable housing to transmit the listed torques.
An oil lubrication of the specified quality must be provided.

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