HRC Rubber Elastic Spider Jaw Coupling

Category： Flexible couplings and rubber/pu inserts
Product description： It is suitable for various occasions that require buffering, shock absorption, and sealing.
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The HRC Rubber Elastic Spider Jaw Coupling is a flexible shaft coupling element widely used for power transmission between motor and driven equipment. Made of high‑performance TPU, NBR, CSM/SBR or nylon, it provides buffering, shock‑absorbing, vibration‑damping and sealing performance, compensates minor shaft misalignment. We supply standard stock sizes as well as OEM & custom‑made elastomer inserts and complete steel coupling hubs. When inquiry please specify type, size number and quantity.

Key Features & Benefits

Excellent shock absorption & vibration damping to protect motors and machinery
Multiple elastomer material choices for oil‑resistant, abrasion‑resistant or high‑temp working conditions
Good compression‑set performance for long‑term stable operation
Wide range of standard sizes: HRC70‑HRC280, also compatible with GR, GS, MT, MH, FCL series
Support OEM, custom hardness, color and dimension requirements
Low‑maintenance, no lubrication required

Application

Suitable for pumps, compressors, fans, gearboxes, general industrial machinery, motor drive systems and other power‑transmission equipment requiring buffer and misalignment compensation.

FAQ

Q: What material options for HRC coupling spider insert?

A: Mainly TPU polyurethane, NBR nitrile rubber, SBR / CSM rubber; hardness 70‑98 Shore A for selection.

Q: What sizes do you stock for HRC spider coupling?

A: Standard sizes: HRC70, HRC90, HRC110, HRC130, HRC150, HRC180, HRC230, HRC280. Custom moulded non‑standard sizes are acceptable for OEM order.

Q: What is max working temperature?

A: Up to 120℃ depending on selected raw rubber material.

Q: Can I get sample before bulk order?

A: Yes, small sample pieces available for evaluation, contact us for sample cost and lead‑time.