Jaw Coupling Hub, 1/2in., Aluminum MPN:JC21-8-A
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Free Shipping
In Stock
SKU
510-G8351217
Jaw Coupling Hub, 1/2in., Aluminum
This RULAND Jaw Coupling Hub is a versatile and reliable component suitable for various applications, including industrial machinery, robotics, and power transmission systems. Its aluminum construction and curved jaw profile provide a secure and efficient connection between shafts, while its clamp-on design allows for easy installation and adjustment. With a maximum speed of 8,000 RPM and a bore diameter of 1/2 inch, this hub is ideal for high-speed applications that require precise alignment and minimal vibration. Its fail-safe design ensures safe operation, even in the event of a failure, making it a reliable choice for critical systems.
Top product features:
- Curved jaw profile provides a secure grip on shafts
- Clamp-on shaft locking type allows for easy installation and removal
- Round bore design with a tolerance of +0.002/-0.000 in ensures a precise fit
Top product applications:
- Power transmission in small engines and machinery
- Mechanical drive systems in medical equipment
- Precision machinery and instruments requiring high-speed shaft connections
Jaw Coupling Hub, Coupling Size JC21, Outside Diameter 1 5/16 in, Coupling Overall Length 1 3/4 in, System of Measurement Inch, Hub Material Aluminum, Maximum Speed 8,000 RPM, Keyway Depth Not Applicable, Keyway Width Not Applicable, Bore Diameter 1/2 in, Shaft Locking Type Clamp On, Bore Type Round Bore, Jaw Profile Curved, Screw Thread Size M3, Bore Tolerance +0.002/-0.000 in, Fail Safe Yes, Shaft Tolerance +0.0000/-0.0005 in, Full Bearing Support Required Yes, Hub Diameter 1 5/16 in
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 1.30
- Package Width: 1.30
- Package Height: 1.10
- Package Weight: 0.08
Product info last updated on February 19, 2026 6:51pm UTC
Category: Bearings, V-belts and Power Transmission Equipment