50B9 9 Tooth Roller Chain Sprocket Type B With Three Quarter Inch Bore And Five Eighth Inch Pitch Hardened 1045 Steel Rust Resistant Drive Sprocket Featuring Keyway Three Sixteenths By Three Thirty-Seconds And Dual Set Screws Fits 50 Chain
✔️ Includes 1 sprocket, 2 screws, and 1 wrench for instant setup
The Type B drive sprocket fits ANSI #50 roller chain with a 5/8 in pitch and a 3/4 in bore. Made from ANSI 1045 carbon steel, its teeth are hardened to improve wear life and it features a blackened, rust resistant finish for longevity in tough environments. This sprocket is commonly used in power transmission across agricultural, woodworking, and machine tool equipment, and it is interchangeable with Browning, Martin, and other brands.
✅ ANSI #50 roller chain compatibility with 5/8 in pitch and 3/4 in bore
✅ 9 teeth Type B design with keyway 3/16 x 3/32 in and dual set screws for secure fitting
✅ Teeth hardened to HRc 38-42 with HF quenching and a blackened rust resistant finish
✅ Includes 1 sprocket, 2 screws, 1 wrench; interchangeable with Browning, Martin and others
| Pitch | 5/8 in (15,875 mm) |
| Bohren | 3/4 in (19,05 mm) |
| Teeth | 9 |
| Keyway | 3/16 x 3/32 in (4.76 x 2.38 mm) |
💡 What is a roller chain sprocket used for in power transmission systems?
In plain terms, a roller chain sprocket is the driving gear in chain-drive setups that transfers rotation and torque from a chain to driven components like wheels or pulleys.
- Works with ANSI #50 chain (5/8 in pitch) for reliable drive- Uses a keyway and dual set screws to secure alignment
- Hardened teeth resist wear in tough industrial environments
- Suitable for outdoor and workshop settings with rust resistant finish
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