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RULAND MANUFACTURING Zero-Backlash Curved Jaw Coupling Hub - Zero-Backlash Curved Jaw Coupling Hubs
RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Zero-Backlash Curved Jaw Coupling Hub

The RULAND MANUFACTURING JC21-10-A is a zero-backlash curved jaw coupling hub in the JC21 coupling size, constructed from aluminum with an outside diameter of 1 5/16 in. This inch-type hub is designed for motion…

SKU 3G-OTH-134234

Also listed as: JC2110A · JC21 10 A

Brand
RULAND MANUFACTURING
Item
Zero-Backlash Curved Jaw Coupling Hub
Category
Zero-Backlash Curved Jaw Coupling Hubs
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
JC21-10-A
Type
Inch, Aluminum
Outside Dia
1 5/16 in

Technical Documents

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

Product Description

The RULAND MANUFACTURING JC21-10-A is a zero-backlash curved jaw coupling hub in the JC21 coupling size, constructed from aluminum with an outside diameter of 1 5/16 in. This inch-type hub is designed for motion control applications requiring precise torque transmission without backlash.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a RULAND MANUFACTURING JC21-10-A jaw coupling hub used for?

The RULAND MANUFACTURING JC21-10-A is a zero-backlash curved jaw coupling hub used to connect two shafts in motion-control systems, such as servo motors and encoders. It accommodates misalignment while transmitting torque smoothly. Common in packaging, robotics, and CNC machinery, this aluminum hub provides lightweight, corrosion-resistant performance in precision industrial applications.

What are the specifications of the RULAND MANUFACTURING JC21-10-A jaw coupling hub?

The RULAND MANUFACTURING JC21-10-A is a jaw coupling hub with a JC21 coupling size and a 1 5/16 in outside diameter. It is made of aluminum and is part of the zero-backlash curved jaw coupling hub product type. The manufacturer part number is JC21-10-A, and it is designed for inch-dimension shaft systems.

Where to buy RULAND MANUFACTURING JC21-10-A jaw coupling hubs worldwide?

You can source the RULAND MANUFACTURING JC21-10-A jaw coupling hub from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this RULAND MANUFACTURING component.

How to select the correct RULAND MANUFACTURING jaw coupling hub for my application?

To select the correct RULAND MANUFACTURING jaw coupling hub, match the coupling size and outside diameter to your shaft dimensions and torque requirements. The JC21-10-A is a zero-backlash curved jaw hub for inch shafts. Ensure the hub bore fits your shaft, and consider the operating speed and misalignment tolerance. Consult RULAND MANUFACTURING's technical data for load ratings.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
RULAND MANUFACTURING Jaw Coupling Hub: JC21 Coupling Size, 1 5/16 in Outside Dia, Inch, Aluminum (MPN JC21-5-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Jaw Coupling Hub: JC21 Coupling Size, 1 5/16 in Outside Dia, Inch, Aluminum (MPN JC21-5-A)
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)
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)
Aluminum zero-backlash curved jaw coupling hub with 1 5/16 in outside diameter. Inch series, JC21 coupling size. Used to connect shafts in power transmission applications, accommodating minor misalignment and providing vibration damping
RULAND MANUFACTURING
Aluminum zero-backlash curved jaw coupling hub with 1 5/16 in outside diameter. Inch series, JC21 coupling size. Used to connect shafts in power transmission applications, accommodating minor misalignment and providing vibration damping
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)
RULAND MANUFACTURING Jaw Coupling Hub: JC32 Coupling Size, 2 in Outside Dia, Inch, Aluminum, Curved (MPN JC32-10-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Jaw Coupling Hub: JC32 Coupling Size, 2 in Outside Dia, Inch, Aluminum, Curved (MPN JC32-10-A)

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