Product Description
The Martin Sprocket & Gear 50BS24 1 1/8 is a Bored-to-Size (Type BS) single-pitch roller chain sprocket designed for ANSI #50 roller chain with a 5/8-inch pitch. It features a 1-1/8-inch finished bore with a keyway and two set screws, making it shaft-ready for direct installation. Manufactured from high-carbon steel for strength and durability, this B-hub sprocket includes a single hub extension on one side for stability in power transmission drive applications. Designed for horizontal shaft orientation with a nominal drive ratio of 1:1.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Martin Sprocket & Gear |
| Model / Part Number | 50BS24 1 1/8 |
| Product Type | Roller Chain Sprocket |
| Sprocket Type / Hub Type | Type BS – B-Hub (Hub One Side), Bored-to-Size |
| Chain Number | #50 (ANSI Roller Chain) |
| Chain Pitch | 5/8 in (0.625 in) |
| Number of Teeth | 24 |
| Number of Strands | Single (1) |
| Bore Diameter | 1-1/8 in (1.125 in) |
| Outside Diameter (OD) | 5.122 in |
| Pitch Diameter | 4.788 in |
| Hub Outside Diameter | 3.00 in (3-1/2 in per some catalog data) |
| Length Through Bore | 1-1/4 in (1.25 in) |
| Keyway Size | 1/4 x 1/8 in |
| Set Screw Size | 5/16-18 x 5/16 in (2 set screws) |
| Bore Type | Finished Bore with Keyway |
| Hardened Teeth | No |
| Material | High Carbon Steel |
| Standards | ANSI |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
GTIN 679523686161
Manufacturer Martin
Part Number 50BS24 1 1/8
Shelf GS-33
Model 50BS24 1 1/8
MPN 50BS24 1 1/8
Type Roller Chain Sprocket
