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SpeedMaster Chain from Tsubaki is the answer for high-speed applications. SpeedMaster features carbon through-hardened plates. The pins are made of a specially treated alloy material. The surface of the pin is extra hard – improving wear resistance. The pins are quad riveted to better resist side force impact. The chain features a greater contact area between pin and bushing which results in less contact wear pressure and longer wear life. Shepherdʼs crook style cotter pins make for easy assembly of connecting links. Tsubakiʼs patented ring coining process generates unsurpassed connecting link strength. Depending on speed of the application and operating conditions (e.g. lubrication), users can expect between 2 and 6 times greater wear life compared to ANSI Standard RS Roller Chain.

Note: Horsepower ratings for SpeedMaster chain are same as for identical size of Tsubaki RS Standard ANSI roller chain
Unit of Measure

Chain Number

 N/A 120SpeedMaster

Strand

 N/A Single

P - Pitch

 N/A 1.500 in

W - Width Between Inner Link Plates

 N/A 1.000 in

R - Roller Diameter

 N/A 0.875 in

D - Pin Diameter

 N/A 0.437 in

H - Link Plate Height

 N/A 1.425 in

h- Link Plate Height

 N/A 1.228 in

T - Link Plate Thickness

 N/A 0.189 in

T1 - Link Plate Thickness

 N/A 0.189 in

L2 - Pin Length

 N/A 1.138 in

L1 - Pin Length

 N/A 0.980 in

L1+L2 - Pin Length

 N/A 2.118 in

C - Transverse Pitch

 N/A 0 in

Average Tensile Strength

 N/A 39600 lb

Maximum Allowable Load

 N/A 6820 lb

Approx. Weight

 N/A 3.97 lb/ft

Number of Links per 10 ft

 N/A 80