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RLBSR71 0100 Tensioner Pulley Bearing Auto Drive

needle roller bearing
January 27, 2026
Category Connection: Automotive Bearings
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Tags:
#car wheel bearing #automobile ball bearings #wheel hub bearing
Brief: This video explains the main functions and practical uses of the RLBSR71-0100 Tensioner Pulley Bearing in a clear, step-by-step format. You'll see how this automotive component automatically adjusts belt tension, reduces vibration, and ensures stable operation of engine accessories. We'll also demonstrate its sealed design for harsh engine environments and show its compatibility with various vehicle models.
Related Product Features:
  • Automatically adjusts belt tension to maintain optimal tightness and prevent slippage.
  • Constructed from premium GCr15 bearing steel for enhanced durability and wear resistance.
  • Features a sealed design that blocks dust and oil, adapting to high-temperature engine environments.
  • Ensures low-noise operation through precision components and high-temperature grease.
  • Offers wide compatibility with mainstream passenger cars and light commercial vehicles.
  • Designed for easy replacement with a direct-fit design requiring no extra calibration.
  • Reduces vibration to ensure stable operation of engines, alternators, and air conditioners.
  • Dimensions of 28mm x 23mm x 17.5mm for precise fitment in automotive drive systems.
FAQs:
  • What is the core function of the RLBSR71-0100 tensioner pulley bearing?
    It automatically adjusts engine belt tension to prevent slippage and ensure stable operation of engine accessories like alternators and air conditioners.
  • When should this tensioner pulley bearing be replaced?
    Replace it if you notice abnormal noise, a loose belt, or uneven pulley rotation in your vehicle's drive system.
  • Is this bearing compatible with all vehicle models?
    It is designed to fit mainstream mid-size passenger cars and light commercial vehicles, but you should confirm compatibility using your OEM parts manual.
  • What materials are used in the construction of this bearing?
    It is made from premium GCr15 bearing steel with a hardness of 58-62 HRC, ensuring durability and resistance to wear in demanding automotive applications.
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