New RLBSR71-0100 Tensioner Pulley Bearing RLBSR71-C-0100 28mm x 23mm x 17.5mm for Automotive Drive System

New RLBSR71-0100 Tensioner Pulley Bearing RLBSR71-C-0100 28mm x 23mm x 17.5mm for Automotive Drive System

This RLBSR71-0100 tensioner pulley bearing is designed for automotive engine accessory drive systems. Made of premium GCr15 steel (58-62 HRC) with precision raceways, it features a sealed structure and smooth-rotating pulley. It automatically adjusts belt tension, reduces vibration, resists dust and high temperatures, ensuring stable operation of engines, alternators and air conditioners.

1. Auto Tension Adjustment: Maintains optimal belt tightness, avoids slippage and prolongs belt life.
2. Low-Noise & Wear-Resistant: Precision components + high-temperature grease, ensures quiet and durable operation.
3. High-Temp Sealing: Sealed design blocks dust and oil, adapts to engine compartment harsh environments.
4. Wide Compatibility: Matches mainstream passenger car and light commercial vehicle models.
5. Easy Replacement: Direct-fit design, no extra calibration needed for quick installation.

• Passenger car & light commercial vehicle manufacturing
• Automotive aftermarket maintenance & replacement
• Auto parts wholesale & distribution
• Vehicle repair workshops (4S stores, independent garages)

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Bearing photos:

Wuxi GQZ Bearing is a professional manufacturer and supplier of precision bearings. Endowed with robust in-house manufacturing capacity, we boast full coverage of standard and custom bearing models to cater to diverse application needs.

Our strict quality control protocols run through the entire production cycle—from raw material selection to finished product inspection. This ensures every bearing delivers consistent high quality, ultra-low noise operation and extended service life.

Tailored OEM customization services are also available to meet your specific requirements.

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1. Q: What’s the core function of RLBSR71-0100? A: Automatically adjusts engine belt tension, preventing slippage and ensuring stable accessory operation.
2. Q: When to replace this tensioner pulley bearing? A: Replace if there’s abnormal noise, loose belt or uneven pulley rotation.
3. Q: Is it compatible with all vehicle models? A: It fits mainstream mid-size cars and light commercial vehicles—confirm with OEM parts manual.

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