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DC3809A One Way Clutches Sprag Type (29x71x16mm) Backstop Freewheel Clutch

DC3809A One Way Clutches Sprag Type (29x71x16mm) Backstop Freewheel Clutch

Min. Order:
1 Piece
Payment term:
T/T
Delivery time:
3 Days After Payment
Technical Parameters:
Product Designations:
DC3809A
Structure:
One Way Bearings
Inside Diameter:
29 mm
Outside Diameter:
71 mm
Thickness:
16 mm
Weight:
0.085 KG
Brand:
TMP
Precision Rating:
P0
Bearing Material:
Gcr15 bearing steel
Seals Type:
Open
DC3809A One Way Clutches Sprag Type (29x71x16mm) Backstop Freewheel Clutch
DC3809A One Way Clutches Sprag Type (29x71x16mm) Backstop clutches   Freewheel Clutch  
 A . One Way Clutches Sprag Type Parameters
Brand- TMP
Model number- DC3809A
Inner ring(mm)- 29
Outer ring(mm)- 71
Width(mm)- 16
Weight(Kg)- 0.085
Drag torque(Nm)- 220
Materials- GCR15
Series- DC
Lubrication type- Grease/oil
Clutch type- Sprag
Precision-  P0
Structure- Type DC is a sprag type freewheel cage without inner or outer races.
 
 B . DC3809A One Way Clutches Sprag Type Specification Sheet
Model
Number
Drag torque Size(mm) Number of clips Weight
(kg)
TKN(Nm) Φa Φc sprag space e Φd Φb
DC3809A 220 38.092 54.752 8.33±0.075 16 71 29 - 0.085
 
 C . DC Series One Way Clutches Sprag Type Details

Product 

Features

One Way Clutches Sprag Type mainly used as Backstop clutches(Most suitable as 

backstops, and mostly the contact-free versions);
Backstop clutches:The freewheel allows rotation in one direction only. 

It overruns continuously during operation. The freewheel prevents reverse rotation

 if the drive is disconnected.

Series 

Introduction

Type DC is a sprag type freewheel cage without inner or outer races. It must be installed

 in a design providing races, bearing support for axial and radial loads, lubrication and 

sealing. The DC type version-N accepts all types of lubricants currently used in the 

power transmis-sion equipement.
The sprag space tolerance must not be exceeded. Inner and outer races must both have

 a minimum plain width "e", without any recess, to ensure the freewheel functions correctly

 as shown on following pages.
Alternatively, races can be made in case hardened steel shafts, or housings, to the 

specification below. Surface hardness of the finished part should be HRC 60 to 62, 

for a depth of 0, 6 mm minimum.
Core hardness to be HRC35 to 45. Surface roughness not to exceed 22CLA. Maximum

 taper between races: 0, 007 mm for 25 mm width.

Series 

Model No.

DC2222G DC2776 DC3034 DC3175(3G) DC3809A DC4127(3G) DC4445A DC4912(4C) 

DC5476A DC5476A(4G) DC5476B(4G) DC5476C(4G) DC5776A DC63348 DC7221(5G) 

DC7221B DC7221B(5G) DC7969C(5C) DC8334C DC8729A DC10323A(3C) 

DC12334C DC12388C(11C)

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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