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U.S. Tsubaki RS25 bushed chain is the smallest ANSI roller chain. It is ideal for power transmission in business machines, electro-optical equipment, and precision and general industrial machines where relatively large space is allowed for miniature drives.
These chains can accommodate a large allowable load and are widely used for driving motorcycle cam shafts and power transmission machinery in general.
Unit of Measure

Specifications

P - Pitch

N/A 0.250 in

B - Bushing Diameter

N/A 0.130 in

W - Width Between Roller Link Plates

N/A 0.125 in

Number of Strands

N/A 1

Standard Type of Pin

N/A Riveted

Average Tensile Strength

N/A 1320 lb

Approx. Weight

N/A 0.110 lb/ft

Number of Links per 10 ft

N/A 480

Maximum Allowable Load

N/A 170 lb

Link Plate

T

N/A 0.039 in

t

N/A 0.030 in

H

N/A 0.230 in

h

N/A 0.230 in

Pin Specifications

D

N/A 0.090 in

L1+L2

N/A 0.362 in

L1

N/A 0.161 in

L2

N/A 0.201 in
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