NEW TSUBAKI H80B12F 1-1/2

The Tsubaki H80B12F 1-1/2 is a hardened-tooth, finished-bore roller chain sprocket designed for use with #80 (1" pitch) single-strand roller chain. It features a Type B hub (hub extension on one side), 12 teeth, and a precision-finished 1-1/2" bore complete with a standard keyway and two set screws for secure shaft mounting. Manufactured from 1045 cold-rolled carbon steel with hardened teeth, this sprocket is engineered for extended wear life, resistance to abrasive conditions, and dependable performance in high-load and high-speed power transmission applications. Designed for horizontal shaft orientation.
Specification
Value
Brand
Tsubaki (U.S. Tsubaki)
Model / Part Number
H80B12F 1-1/2
Product Type
Roller Chain Sprocket
Chain Size (ANSI No.)
#80
Chain Pitch
1" (1.000 in)
Number of Teeth
12
Hub Type
Type B — Hub extension on one side
Bore Type
Finished Bore (keyway + 2 set screws)
Bore Diameter
1-1/2" (1.500 in)
Outside Diameter
4.332 in
Pitch Diameter
3.864 in
Hub Diameter
3-1/8" (3.125 in)
Length Through Bore (LTB)
1-9/16" (1.5625 in)
Keyway Size (standard ANSI for 1-1/2" bore)
3/8" x 3/16"
Number of Set Screws
2
Hardened Teeth
Yes (H = Hardened)
Number of Strands
Single
Material
1045 Cold Rolled Carbon Steel
Finish
Black Oxide
Standard
ANSI / ISO 9001
We warranty all items for 30 days from date of purchase.