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Rubber Coupling Spider R82 78x31x18mm

Polyurethane Coupling
January 05, 2026
Category Connection: Polyurethane Coupling
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Tags:
#pu coupling #rubber coupling #flexible jaw coupling
Brief: This video explains the main functions and practical uses of the OMT Rubber Coupling Spider in a clear, step-by-step format. You'll see a detailed demonstration of the R82 model's installation process, learn how it absorbs shock and compensates for misalignment in industrial drive systems, and discover key considerations for selecting and replacing these essential components in pumps, fans, and compressors.
Related Product Features:
  • Customizable rubber coupling spider with dimensions OD78mm × ID31mm × T18mm and 70-80 Shore A hardness for maximum torque of 4 N.m.
  • Available in multiple standard sizes including R42, R62, R82, R103, and R132 to fit various coupling specifications.
  • Constructed from durable black rubber material, functioning as the core damping element in jaw couplings.
  • Effectively absorbs shock and vibration while transmitting torque between equipment components.
  • Compensates for minor axial, radial, and angular misalignments in industrial drive systems.
  • Provides electrical insulation between connected machinery components for enhanced safety.
  • Available in polyurethane for wear resistance or nitrile rubber for excellent oil resistance in harsh environments.
  • Features an octagonal plum blossom design with typically 8 lobes for efficient torque transmission.
FAQs:
  • How do I identify the correct rubber coupling spider model for replacement?
    Remove the old pad and check for stamped model numbers like R82. Measure key dimensions including outer diameter, inner diameter, thickness, and count the number of lobes. Always match the pad model to your coupling body specifications for proper compatibility.
  • What materials are available for the rubber coupling spider and how do I choose?
    We offer polyurethane (PU) for general wear-resistant applications and nitrile rubber (NBR) for environments with oil exposure. PU provides high load capacity and tear resistance, while NBR delivers excellent oil resistance for machinery operating in oily conditions.
  • What types of misalignment can the rubber coupling spider accommodate?
    The rubber coupling spider compensates for minor axial, radial, and angular misalignments between connected equipment. Its elastic properties allow it to flex and absorb these offsets while maintaining torque transmission in pumps, fans, compressors, and other industrial drive systems.
  • What is the maximum torque capacity for the R82 rubber coupling spider?
    The R82 model with dimensions OD78mm × ID31mm × T18mm has a maximum torque capacity of 4 N.m. Always verify that your application's torque requirements fall within the specified limits for safe and reliable operation.
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