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NFR55 One Way Clutches Roller Type (55x140 x80 mm) bearing supported Freewheel Clutch

NFR55 One Way Clutches Roller Type (55x140 X80 Mm) Bearing Supported Freewheel Clutch

Min. Order:
1 Piece
Payment term:
T/T
Delivery time:
3 Days After Payment
Technical Parameters:
Product Designations:
NFR55
Structure:
One Way Bearings
Inside Diameter:
55 mm
Outside Diameter:
140 mm
Thickness:
80 mm
Weight:
6.5 KG
Brand:
TMP
Precision Rating:
P0
Bearing Material:
Gcr15 bearing steel
Seals Type:
Open
NFR55 One Way Clutches Roller Type (55x140 X80 Mm) Bearing Supported Freewheel Clutch
NFR55 One Way Clutches Roller Type (55x140 x80 mm)  Stieber bearing supported Freewheel Clutch  
 A . One Way Clutches Roller Type Parameters
Brand- TMP
Model number- NFR55
Inner ring(mm)- 55
Outer ring(mm)- 140 
Width(mm)- 80 
Weight(Kg)- 6.5
Drag torque(Nm)- 2550 
Materials- GCR15
Series- NFR
Lubrication type- Grease/oil
Clutch type- Roller
Precision-  P0
Structure- Type NFR is a bearing supported roller type freewheel without any sealing.
 
 B . NFR55 One Way Clutches Roller Type Specification Sheet
Model
Number
Torgue Overrunning speeds(Nm) Bearing Diameter(mm) Weight
(Nm) ni na d Dn6 D2 D4 L I t bH11 r r1 [kg]
NFR55 2550  750  2000  16015** 55 140  75  115  80  4.2 18  3.5 6.5
 C . NFR Series One Way Clutches Roller Type Details

Product 

Features

One Way Clutches Roller Type mainly used as Overrunning and Indexing clutches,
Overrunning clutches:The freewheel disengages automatically when the driven member 

rotates faster than the driving member.
Indexing clutch:The freewheel allows the conversion of reciprocating motion into a 

discontinuous rotational movement.

Series 

Introduction

Type NFR is a bearing supported roller type freewheelwithout any sealing. Lubrication 

and sealing must be provided by the installation. Standard lubrication is oil.Size 8 to 20 

units use steel on steel bearing support from the inner race. Above size 25, two 

160.. series ball bearings are used,giving a higher overrunning speed capacity. A typical

 arrangement is shown overleaf.The inner race is keyed to the shaft. The outer race has 

a positive n6 tolerance to give a press fit in a housing to H7.Additional side notches 

provide for positive torque transmission.The housing must be strong enough to not 

expand after assembly.

Series 

Model No.

NFR8 NFR12 NFR15 NFR20 NFR25 NFR30 NFR35 NFR40 NFR45 NFR50 NFR55 

NFR60 NFR70 NFR80 NFR90 NFR100 NFR130
ANR-ANG8 ANR-ANG12 ANR-ANG15 ANR-ANG20 ANR-ANG25 ANR-ANG30 

ANR-ANG35 ANR-ANG40 ANR-ANG45 ANR-ANG50 ANR-ANG55 ANR-ANG60 

ANR-ANG70 ANR-ANG80 ANR-ANG90 ANR-ANG100 ANR-ANG130

Applications

Reducers , Flender Gearbox ,SEW Gearbox;
Overrunning clutch:for multiple-machine drives or to separate the inertia of masses of a

 driven machine from the driving
machine after it has been switched off.

Indexing clutch:which turns a shaft step by step, thus achieving indexed material feed

 or a variable speed.

Backstop clutch:to prevent a machine shaft turning backwards. In this case the

 overrunning clutch acts as a brake.

 


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