Frequently bought together:
Description
The 50SDS21H is a high-strength, single-strand roller chain sprocket featuring 21 hardened teeth, a 5/8-inch pitch, and a Quick-Disconnect (QD) Type SDS bushing bore. It is engineered for ANSI #50 roller chains in compact, high-torque, or severe-duty power transmission applications.
Key Specifications
- Chain Size: ANSI #50 (5/8" pitch)
- Number of Teeth: 21
- Tooth Profile: Hardened teeth for maximum wear resistance
- Bushing Type: QD Type SDS (sold separately)
- Maximum Bore Size: 2 inches
- Material: Heavy-duty solid steel
Design and Use
- Hardened Teeth: Greatly extends sprocket life under high-stress, abrasive conditions, or high-RPM operation.
- Tapered SDS Bushing: Utilizes a compact, split-bushing design to clamp securely onto the shaft, reducing the risk of keyway wear.
- Applications: Regularly used in small-displacement motor drives, conveyor machinery, agricultural equipment, and industrial packaging lines.










