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U.S. Tsubaki Power Transmission, LLC. produces high-quality products for a wide range of industries and applications including roller chains, conveyor chains, sprockets, cable & hose carrier systems, clutches and backstops, and continuous flex cables.

Products > Sprockets > Roller Chain Sprockets > ANSI Single Pitch Sprockets > Tsubaki No. 40 -½” Pitch Sprockets > No. 40 - 1/2" Pitch - Multiple Strand Sprockets > Item # D40B42

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Multi-Strand, No. 40, B Style, .938" plain bore

All dimensions are nominal values and for reference only

Unit of Measure

Specifications | Chain Technical Data

Specifications

Stock Bore	N/A 0.938 in
Hub Diameter	N/A 3.750 in
LTB	N/A 1.750 in
Style	N/A B
No. Teeth	N/A 42
Outside Diameter	N/A 6.970 in
Pitch Diameter	N/A 6.691 in
Caliper Diameter	N/A 6.379 in
Max. Bore¹	N/A 2.500 in
Weight	N/A 10.200 lb
Tooth Nominal Width	N/A 0.275 in

Chain Technical Data

Pitch	N/A 0.500 in
Chain Size	N/A 40-2

¹ Dimensions shown allow for strandard keyway with set screw at 90°

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Products

Knowledge Center

Specifications

Stock Bore

Hub Diameter

LTB

Style

No. Teeth

Outside Diameter

Pitch Diameter

Caliper Diameter

Weight

Tooth Nominal Width

Chain Technical Data

Pitch

Chain Size

Link To Knowledge Center