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One Way Bearing One Way Clutch Sprag Frewheel DC7221B

One Way Bearing One Way Clutch Sprag Frewheel DC7221B

Application:  All Cars

Market Type:  After Market

Packing:  Single Box Or As Your Requirements

Samples:  Charge

Maximum Prodcution Capacity:  10000pcs/Month

Delivery Time:  5-20days

Place of origin:  China

Export Ratio:  61% - 70%

Price Terms:  FOB

Delivery Port:  Shanghai

Minimum Order:  1PCS

Product Attribute:

Inner diameter :72.217mm

Outer Diameter :88.877mm

Height:21.0mm

Weight:o.185kg

Drag Torque (N.M):1023

Race Material:Gcr15

Applicationt: 

All Cars

Production Description:

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.



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