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U.S. Tsubaki Curved chain has additional clearance between the pins and bushings and between the roller links and pin link plates to permit extra flexibility and greater lateral displacement. The basic dimensions of this chain are the same as those of ASME/ANSI standard roller chain.

U.S. Tsubaki's unique design of the curved chain does not taper the pin diameter, which allows the pin diameter to be uniform throughout.
Unit of Measure

Specifications

ANSI No.

N/A 50

Attachment Number

N/A A-1

Chain Specifications

Pitch

N/A 0.625 in

R - Roller Diameter

N/A 0.400 in

W - Width Between Roller Link Plates

N/A 0.375 in

r - Min. Radius of Side Bow

N/A 16.000 in

Average Tensile Strength

N/A 5420 lb

Maximum Allowable Load

N/A 640 lb

Approx. Weight

N/A 0.680 lbs/ft

Pin Specifications

D

N/A 0.200 in

L1

N/A 0.417 in

L2

N/A 0.488 in

L1+L2

N/A 0.905 in

Link Plate

T - Link Plate

N/A 0.080 in

t - Link Plate

N/A 0.080 in

H - Link Plate

N/A 0.591 in

h - Link Plate

N/A 0.512 in

Attachment Specifications

N

N/A 0.500 in

S

N/A 0.406 in

X

N/A 0.933 in

C

N/A 0.626 in

O

N/A 0.205 in

Additional Weight per Attachment

N/A 0.007 lb