Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

RULAND MANUFACTURING Zero-Backlash Curved Jaw Coupling Hub, JCC21-10-A - Zero-Backlash Curved Jaw Coupling Hubs
RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Zero-Backlash Curved Jaw Coupling Hub, JCC21-10-A

The RULAND MANUFACTURING Jaw Coupling Hub, model JCC21-10-A, is a zero-backlash curved jaw coupling hub in the JC21 coupling size. It features a 1 5/16 in outside diameter and is constructed from inch-sized aluminum…

SKU 3G-OTH-134254

Also listed as: JCC2110A · JCC21 10 A

Brand
RULAND MANUFACTURING
Item
Zero-Backlash Curved Jaw Coupling Hub, JCC21-10-A
Category
Zero-Backlash Curved Jaw Coupling Hubs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
JCC21-10-A
Type
Inch, Aluminum
Outside Dia
1 5/16 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

RULAND MANUFACTURING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RULAND MANUFACTURING Jaw Coupling Hub, model JCC21-10-A, is a zero-backlash curved jaw coupling hub in the JC21 coupling size. It features a 1 5/16 in outside diameter and is constructed from inch-sized aluminum. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is a RULAND MANUFACTURING Jaw Coupling Hub used for?

A RULAND MANUFACTURING Jaw Coupling Hub, such as the JCC21-10-A, is used to connect two shafts in power transmission applications while accommodating minor misalignment. It is commonly found in pumps, gearboxes, and conveyor systems where zero-backlash curved jaw coupling hubs provide vibration damping and torque transmission.

What are the specifications of the RULAND MANUFACTURING JCC21-10-A?

The RULAND MANUFACTURING JCC21-10-A is a zero-backlash curved jaw coupling hub with a JC21 coupling size and a 1 5/16 in outside diameter. It is made of aluminum and has a manufacturer part number of JCC21-10-A. This inch-series hub is designed for use with matching spider inserts.

Where to buy RULAND MANUFACTURING coupling hubs worldwide?

You can source RULAND MANUFACTURING coupling hubs, including the JCC21-10-A, through 3G Electric. As a global industrial equipment distributor, 3G Electric handles logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

How to select the correct RULAND MANUFACTURING jaw coupling hub?

To select the correct RULAND MANUFACTURING jaw coupling hub, match the coupling size (e.g., JC21) to the required bore diameter and shaft keyway. Verify the outside diameter (1 5/16 in for the JCC21-10-A) and material (aluminum) suit your torque and environmental needs. Always consult the manufacturer's catalog for fitment.

Used in

Common applications for RULAND MANUFACTURING
Automated packaging machinery — Ruland beam couplings (e.g., PSR20-8-5-A) for connecting servo motors to conveyor drive shafts.
CNC machine tools — Ruland rigid couplings (e.g., CLX-4-4-A) for precise alignment of ball screw assemblies.
Robotic arm joints — Ruland Oldham coupling hubs (e.g., OSC16-6-A) for accommodating axial motion in end-effector drives.
Pump and compressor systems — Ruland stainless steel shaft collars (e.g., CL-3-ST) for securing impeller shafts.
Printing press rollers — Ruland clamp-on beam couplings (e.g., PCR18-8-8-A) for synchronizing roller rotation with minimal backlash.
Material handling conveyors — Ruland set screw couplings (e.g., PSMR29-7-7-A) for linking gearboxes to drive rollers.

RULAND MANUFACTURING Products

3G Electric supplies RULAND MANUFACTURING zero-backlash curved jaw coupling hubs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This zero-backlash curved jaw coupling hub is made of aluminum and has a 1 5/16 in outside diameter. It is designed for inch-series applications requiring precise torque transmission. Typical uses include connecting shafts in power transmission systems such as pumps, gearboxes, and conveyors
RULAND MANUFACTURING
This zero-backlash curved jaw coupling hub is made of aluminum and has a 1 5/16 in outside diameter. It is designed for inch-series applications requiring precise torque transmission. Typical uses include connecting shafts in power transmission systems such as pumps, gearboxes, and conveyors
RULAND MANUFACTURING Jaw Coupling Hub: JC21 Coupling Size, 1 5/16 in Outside Dia, Inch, Aluminum (MPN JCC21-8-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Jaw Coupling Hub: JC21 Coupling Size, 1 5/16 in Outside Dia, Inch, Aluminum (MPN JCC21-8-A)
This aluminum zero-backlash curved jaw coupling hub has a 1 5/16 in outside diameter and is designed for inch-series JC21 couplings. It connects two shafts in motion-control systems, accommodating misalignment and dampening vibration in industrial machinery, packaging equipment, and servo-drive applications. The aluminum construction provides low inertia for high-speed operation
RULAND MANUFACTURING
This aluminum zero-backlash curved jaw coupling hub has a 1 5/16 in outside diameter and is designed for inch-series JC21 couplings. It connects two shafts in motion-control systems, accommodating misalignment and dampening vibration in industrial machinery, packaging equipment, and servo-drive applications. The aluminum construction provides low inertia for high-speed operation
RULAND MANUFACTURING Jaw Coupling Hub: JC21 Coupling Size, 1 5/16 in Outside Dia, Inch, Aluminum (MPN JC21-8-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Jaw Coupling Hub: JC21 Coupling Size, 1 5/16 in Outside Dia, Inch, Aluminum (MPN JC21-8-A)
This zero-backlash curved jaw coupling hub from RULAND MANUFACTURING is designed for precise torque transmission in motion control systems. Made of aluminum with an outside diameter of 1 5/16 in, it accommodates misalignment while maintaining accuracy. Suitable for applications such as servo motors, encoders, packaging, robotics, and CNC machinery
RULAND MANUFACTURING
This zero-backlash curved jaw coupling hub from RULAND MANUFACTURING is designed for precise torque transmission in motion control systems. Made of aluminum with an outside diameter of 1 5/16 in, it accommodates misalignment while maintaining accuracy. Suitable for applications such as servo motors, encoders, packaging, robotics, and CNC machinery
RULAND MANUFACTURING Jaw Coupling Hub: JC21 Coupling Size, 1 5/16 in Outside Dia, Inch, Aluminum (MPN JC21-6-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Jaw Coupling Hub: JC21 Coupling Size, 1 5/16 in Outside Dia, Inch, Aluminum (MPN JC21-6-A)

More from RULAND MANUFACTURING

View all RULAND MANUFACTURING parts
Metric aluminum hub for zero-backlash curved jaw couplings, MJS41 size with 41.3 mm outside diameter. Used to connect shafts in power transmission, compensating for minor misalignment and dampening vibration. Suitable for motion control, packaging machinery, and industrial automation
RULAND MANUFACTURING
Metric aluminum hub for zero-backlash curved jaw couplings, MJS41 size with 41.3 mm outside diameter. Used to connect shafts in power transmission, compensating for minor misalignment and dampening vibration. Suitable for motion control, packaging machinery, and industrial automation
This zero-backlash curved jaw coupling hub is made of metric aluminum with a 50.8 mm outside diameter. It is designed for use in motion control systems where accurate torque transmission and misalignment compensation are required, such as connecting shafts in servo motors, encoders, and positioning equipment
RULAND MANUFACTURING
This zero-backlash curved jaw coupling hub is made of metric aluminum with a 50.8 mm outside diameter. It is designed for use in motion control systems where accurate torque transmission and misalignment compensation are required, such as connecting shafts in servo motors, encoders, and positioning equipment
Metric aluminum hub for MJS19 coupling size, 19.1 mm outside diameter. Designed for zero-backlash curved jaw couplings used in motion control to connect rotating shafts while compensating for misalignment
RULAND MANUFACTURING
Metric aluminum hub for MJS19 coupling size, 19.1 mm outside diameter. Designed for zero-backlash curved jaw couplings used in motion control to connect rotating shafts while compensating for misalignment
Metric aluminum zero-backlash curved jaw coupling hub with 57.2 mm outside diameter. Designed to connect rotating shafts while damping vibration and accommodating minor misalignment. Used in motion control, packaging, and automation equipment for precise torque transmission
RULAND MANUFACTURING
Metric aluminum zero-backlash curved jaw coupling hub with 57.2 mm outside diameter. Designed to connect rotating shafts while damping vibration and accommodating minor misalignment. Used in motion control, packaging, and automation equipment for precise torque transmission
Aluminum inch-size hub with 2 3/4 in outside diameter. Designed for zero-backlash curved jaw couplings to connect shafts in power transmission applications, accommodating misalignment while transmitting torque
RULAND MANUFACTURING
Aluminum inch-size hub with 2 3/4 in outside diameter. Designed for zero-backlash curved jaw couplings to connect shafts in power transmission applications, accommodating misalignment while transmitting torque
This zero-backlash curved jaw coupling hub is made of aluminum and has a 79.4 mm outside diameter. It is designed for metric systems and is used in motion control applications requiring accurate torque transmission, such as servo motors and precision positioning systems
RULAND MANUFACTURING
This zero-backlash curved jaw coupling hub is made of aluminum and has a 79.4 mm outside diameter. It is designed for metric systems and is used in motion control applications requiring accurate torque transmission, such as servo motors and precision positioning systems
Aluminum curved jaw coupling hub for JC32 coupling size, 2 in outside diameter, inch series. Designed for zero-backlash torque transmission with curved-jaw spiders, accommodating angular and parallel misalignment in power transmission systems
RULAND MANUFACTURING
Aluminum curved jaw coupling hub for JC32 coupling size, 2 in outside diameter, inch series. Designed for zero-backlash torque transmission with curved-jaw spiders, accommodating angular and parallel misalignment in power transmission systems
Metric aluminum hub for zero-backlash curved jaw couplings, with 57.2 mm outside diameter. Designed for connecting rotating shafts in motion control applications, accommodating minor misalignment and damping vibration
RULAND MANUFACTURING
Metric aluminum hub for zero-backlash curved jaw couplings, with 57.2 mm outside diameter. Designed for connecting rotating shafts in motion control applications, accommodating minor misalignment and damping vibration