Item # 40B9, No. 40 - 1/2" Pitch - Plain Bore Sprockets On U.S. Tsubaki Inc.

No. 40, B Style, .500" plain bore
Has recessed groove in hub for chain clearance
Consult U.S. Tsubaki for availability of No. 41 Plain Bore Sprockets.

All dimensions are nominal values and for reference only

Unit of Measure

Specifications | Chain Technical Data

Specifications

Stock Bore Diameter	N/A 0.500 in
Hub Diameter	N/A 1.063 in
LTB	N/A 0.875 in
Style	N/A B
No. Teeth	N/A 9
Outside Diameter	N/A 1.670 in
Pitch Diameter	N/A 1.462 in
Caliper Diameter	N/A 1.127 in
Max. Bore¹	N/A 0.563 in
Weight	N/A 0.200 lb
Tooth Nominal Width	N/A 0.284 in
Hardened Teeth	N/A Yes
UPC Code	N/A 097039314680

Chain Technical Data

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

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

Specifications

Stock Bore Diameter

Hub Diameter

LTB

Style

No. Teeth

Outside Diameter

Pitch Diameter

Caliper Diameter

Weight

Tooth Nominal Width

Hardened Teeth

UPC Code

Chain Technical Data

Pitch

Chain Size