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Chain Sprockets
Bored & Keyed Sprockets
1inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701603
16B1 21T Sprocket Comes With 38mm Bore & Keyway with 2 Grubscrews (8SR21 38BK&2GS)
This 16B1 21-Tooth Sprocket is a precision-engineered power transmission component designed for 1-inch pitch roller chain systems. It features a pre-machined 38mm bore with an integrated keyway and comes equipped with 2 grub screws for secure and reliable shaft mounting.
Key Features:
- 21-Tooth Configuration – Ideal for lower speed ratios and high-torque applications in chain drive systems
- 38mm Pre-Machined Bore – Ready for direct shaft mounting with precision fit
- Integral Keyway – Ensures secure, positive shaft engagement
- 2 Grub Screws – Provides additional holding security and prevents rotational movement
- 1 Inch Pitch – Compatible with standard 1 inch pitch roller chains
- Simplex Design – Single-strand chain compatibility for efficient power transmission
- Precision Engineering – Manufactured to exacting industrial standards for reliable performance
Specifications:
- Tooth Count: 21 teeth
- Bore Diameter: 38mm
- Pitch: 1 inch (25.4mm)
- Chain Compatibility: 1 inch pitch roller chains
- Mounting: Keyed bore with 2 grub screws for positive shaft engagement
- Reference: 8SR21 38BK&2GS SPKT
Ideal Applications:
This 21-tooth sprocket is well-suited for use in:
- Conveyor systems and material handling equipment
- Agricultural machinery and farming equipment
- Industrial drive systems requiring balanced speed and torque ratios
- General power transmission applications
- Machinery requiring medium to heavy-duty chain drive solutions
- Applications demanding reliable lower-speed power transmission
The 38mm bore with keyway ensures precise alignment and secure mounting, while the dual grub screws provide additional holding power to prevent slippage during operation. Manufactured to exacting standards, this sprocket delivers reliable performance and durability in demanding industrial environments.
As a leading supplier of 1-inch pitch bored and keyed chain sprockets, we maintain extensive stock of over 150 variations. For technical assistance or to confirm compatibility with your specific chain drive system, please contact our technical sales team.
