Jaw Coupling Hub, 20mm, Aluminum MPN:MJCC51-20-A
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In Stock
Free Shipping
In Stock
SKU
510-G7989186
Jaw Coupling Hub, 20mm, Aluminum
The RULAND Jaw Coupling Hub is a high-performance aluminum coupling designed for demanding applications. With a maximum speed of 8,000 RPM, it can handle tough tasks such as power transmission and motion control. Its curved jaw profile and round bore with keyway ensure secure and precise connection between shafts. The hub is fail-safe, meaning it will not allow the shafts to come loose even in the event of a failure. Suitable for use in various industries, including manufacturing, robotics, and aerospace, this coupling is ideal for applications where precision and reliability are critical. It ships in 2 days.
Top product features:
- Curved jaw profile for smooth and efficient power transmission
- Clamp-on shaft locking for easy installation and secure connection
- Round bore with keyway for precise shaft alignment and support
Top product applications:
- Gearboxes and motors
- Pumps and compressors
- Conveyors and conveyor systems
Jaw Coupling Hub, Coupling Size MJC51, Outside Diameter 50.8 mm, Coupling Overall Length 61 mm, System of Measurement Metric, Hub Material Aluminum, Maximum Speed 8,000 RPM, Keyway Depth 2.8 mm, Keyway Width 6 mm, Bore Diameter 20 mm, Shaft Locking Type Clamp On, Bore Type Round Bore with Keyway, Jaw Profile Curved, Screw Thread Size M5, Bore Tolerance +0.05/-0.00 mm, Fail Safe Yes, Shaft Tolerance +0.000/-0.013 mm, Full Bearing Support Required Yes, Hub Diameter 50.8 mm
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 2 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 6.00
- Package Width: 4.00
- Package Height: 2.00
- Package Weight: 0.27
Product info last updated on February 4, 2026 5:00am UTC
Category: Bearings, V-belts and Power Transmission Equipment