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Description
The 40SDS54 (also referred to as 40CH54TH SDS) is a single-strand, Type B Quick Detachable (QD) roller chain sprocket engineered to work with standard #40 roller chain (1/2" pitch). It features 54 teeth and requires an SDS-series tapered QD bushing to secure it tightly onto a drive shaft.
Product Specifications
- Industry Designation: 40SDS54 / 40CH54TH SDS
- Compatible Chain Size: #40 ANSI Roller Chain (1/2" Pitch)
- Tooth Count: 54 Teeth
- Required Bushing Size: SDS QD Bushing (sold separately)
- Bushing Bore Capacity: Accommodates shaft diameters from 1/2" up to 2" maximum bore
- Pitch Diameter: 8.599 inches (218.41 mm)
- Outside Diameter: 8.890 inches (225.81 mm)
- Nominal Tooth Width: 0.284 inches (7.21 mm)
- Hub Diameter: 3.188 inches (81.0 mm)
- Sprocket Weight: 4.78 lbs (approx. 5.78 lbs with bushing installed)
Key Features
- Split-Taper QD Grip: Interlocks seamlessly with a split SDS bushing. Utilizing standard pull-up bolts, the bushing compresses uniformly around the drive shaft to establish a true press-fit, preventing keyway wallow and reducing shaft slippage under sudden loads. [
- Concentric Machining: Fabricated with precision-machined bores concentric to the pitch line. This design ensures parallel chain paths, minimizes run-out, and limits operational vibration to drastically increase the lifespan of both the sprocket and the chain.
- High-Carbon Steel Build: Constructed from rugged carbon steel to maintain tooth integrity and structural alignment over prolonged industrial and commercial operating cycles.
- Interchangeable Design: Fully compatible and cross-interchangeable across all major power transmission brands, including Martin Sprocket & Gear, U.S. Tsubaki, and Tritan.
Common Industry Applications
This mid-to-large diameter reduction sprocket is frequently utilized in commercial automated conveyor setups, material handling sorting drives, industrial processing assembly lines, and heavy-duty agricultural equipment machinery.
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