Product Description
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.
Technical Specifications
| 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.