Frequently bought together:
Description
The 50W12 (also commonly listed as 50W12B or Weld-On Sprocket 50W12) is a single-strand, hubless weld-on roller chain sprocket rim. It is precision-machined to pair with standard #50 roller chain (5/8" pitch) and features 12 teeth. It is engineered with a "W" type center bore, requiring a matching W-series weld-on hub (sold separately) to achieve your target shaft alignment.
Product Specifications
- Industry Designation: 50W12 / 50W12B
- Compatible Chain Size: #50 ANSI Roller Chain (5/8" Pitch)
- Tooth Count: 12 Teeth
- Required Hub Series: "W" Style Weld Hub
- Sprocket Center Bore Size: 1.625 inches (1-5/8")
- Pitch Diameter (PD): 2.415 inches (61.34 mm)
- Outside Diameter (OD): 2.710 inches (68.83 mm)
- Nominal Tooth Width: 0.343 inches (8.71 mm)
- Average Weight: ~0.22 to 0.50 lbs (rim only)
Key Features
- Weld-On Component Flexibility: The 1-5/8" hubless opening allows you to choose and permanently weld in any stock W-series hub that matches your machine's unique shaft diameter, entirely removing the expense of specialty custom-machined parts.
- High-Strength Steel Construction: Formed from flat-plate carbon steel tailored for high weldability, ensuring a uniform, reliable bond to the hub that handles intense thermal and operational stresses.
- Optimized Tooth Profiles: Engineered to strict ANSI guidelines to provide clean, seamless chain engagement, minimal frictional wear, and low operating noise.
- Universal Brand Compatibility: Conforms to strict structural standards for a precise cross-interchange across leading mechanical drive brands such as Agri Supply, SpeeCo, Amec, and Surplus Center.
Common Industry Applications
This small, high-torque sprocket rim is widely utilized across agricultural equipment (such as small grain augers, spreaders, and utility elevators), light manufacturing conveyors, custom prototype machinery repairs, and power transmissions requiring compact, robust reduction links.
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