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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 - Finished Bore Sprockets > Item # 40B18F-1D

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No. 40, B Style, 1.250" Finished Bore
All dimensions are nominal values and for reference only

Unit of Measure

Specifications | Chain Technical Data | Sprocket Diameters

Specifications

Hub Diameter	N/A 2.313 in
LTB	N/A 1.000 in
Style	N/A B
No. Teeth	N/A 18
Finished Bore Diameter	N/A 1.250 in
Max. Bore	N/A 1.500 in
Weight	N/A 1.030 lb
Tooth Nominal Width	N/A 0.284 in
Hardened Teeth	N/A Yes
Industry Equivalent	N/A 40BS18 1 1/4
UPC Code	N/A 097039324290

Chain Technical Data

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

Sprocket Diameters

Outside Diameter	N/A 3.140 in
Pitch Diameter	N/A 2.879 in
Caliper Diameter	N/A 2.567 in

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Products

Knowledge Center

Specifications

Hub Diameter

LTB

Style

No. Teeth

Finished Bore Diameter

Max. Bore

Weight

Tooth Nominal Width

Hardened Teeth

Industry Equivalent

UPC Code

Chain Technical Data

Pitch

Chain Size

Sprocket Diameters

Outside Diameter

Pitch Diameter

Caliper Diameter

Link To Knowledge Center