The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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ROLLER CHAIN IDLER SPROCKETS
  • The sintered-steel sprockets are hardened and perform well at an economical cost.
  • The roller chain idler sprocket replaces the hardenedplate steel sprockets on most applications.
  • All units are non-relubricatable.


To order, specify SPROCKET NUMBER.
Example: 010-5017S Idler Sprocket.
Order all bearings with E8728 specification.
Unit of Measure

Specifications

Bearing No.

 N/A 203KRR5

Bore - d1

 N/A 13.08 / 12.95 mm0.5150 / 0.5000 in

A.S.A. Chain No.

 N/A 40

No. of Teeth

 N/A 18

Pitch

 N/A 12.7 mm1/2 in

Bearing Radial Load Rating at 500 RPM

 N/A 3550 N800 lb

Dimensions

Dimension P

 N/A 73.13 mm2.879 in

Dimension D

 N/A 79.88 mm3.145 in

Dimension A

 N/A 7.21 mm0.284 in

Dimension F

 N/A 24.43 mm0.962 in

Dimension B

 N/A 18.29 mm0.72 in