Item # BF25H, RS25.BF25H Chains On U.S. Tsubaki Inc.

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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 | Link Plate | Pin Specifications

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
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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Specifications

P - Pitch

B - Bushing Diameter

W - Width Between Roller Link Plates

Number of Strands

Standard Type of Pin

Average Tensile Strength

Number of Links per 10 ft

Maximum Allowable Load

Link Plate

T

t

H

h

Pin Specifications

D

L1+L2

L1

L2