The R-103 is a rubber spider, the flexible insert that sits between the two jaw halves of a drive coupling. It transmits torque from the motor to the driven shaft while absorbing shock loads and slight misalignment, which protects shafts, bearings, and gears from impact during starts and stops. Spiders are a wear item and get replaced when the coupling develops backlash, chatter, or visible cracking and crumbling in the rubber legs.
We are committed to your satisfaction. If a part is found to be faulty or defective, you may return it within 14 days of delivery for a full refund or replacement on all non-electrical parts. The part must be in the condition it was received. To initiate a return, simply contact our customer service team to obtain a Return Merchandise Authorization (RMA) number, and we will guide you through the hassle-free process.
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