Product Description
The Martin 50B20 is a single-pitch roller chain sprocket designed for #50 chain applications. This B-hub style sprocket features 20 teeth and a 3/4-inch stock bore diameter, constructed from durable steel material. The B-hub design provides a flat sprocket with hub extension on one side for secure mounting.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Martin |
| Model/Part Number | 50B20 |
| Manufacturer | Martin Sprocket & Gear |
| Chain Number | #50 |
| Number of Teeth | 20 |
| Hub Type | B-Hub (One Side) |
| Bore Diameter | 0.75 inch |
| Outside Diameter | 4.321 inch |
| Pitch Diameter | 3.995 inch |
| Chain Pitch | 5/8 inch |
| Hub Diameter | 3.0 inch |
| Length Through Bore | 1.0 inch |
| Maximum Bore | 2.0 inch |
| Material | Steel |
| Hardened Teeth | Non-Hardened |
| Bore Type | Rough Stock Bore |
| Number of Strands | Single (1) |
| Number of Hubs | 1 |
| Tooth Width | 0.343 inch |
| Keyway | No (Plain Bore) |
| Weight | 2.28 lbs |
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 50B20
Shelf GS-33
Model 50B20
MPN 50B20
Type Sprocket
