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Blackbearing Bearing B3 R4-2Rs

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Features

  • OEM-Compatible Design: Precisely manufactured to match original equipment standards, ensuring seamless fitment and easy installation on most bicycles.
  • High-Grade Chrome Steel Construction: SAE52100 chrome steel balls, rings and cage deliver superior hardness, wear resistance and consistent strength.
  • Double Sealed Protection: Equipped with 2RS seals that effectively block dust, water and debris while maintaining internal lubrication for extended life.
  • Pre-Lubricated for Smooth Rotation: Factory-filled with premium grease to minimize friction and provide effortless rolling under variable road conditions.
  • Engineered for Durability: Designed for long-term reliability, combining precision assembly and superior materials for stable, smooth operation.

    Specifications

  • Product Number: UB-R4-B5
  • Seal Type: Double Sealed (2RS)
  • Dimensions: 6.35 x 15.88 x 4.98 mm
  • Bearing Inner Diameter: 6.35 mm
  • Bearing Outer Diameter: 15.88 mm
  • Thickness: 4.98 mm
  • Note: Free accessories will not be applicable with Snapmint and Bajaj No Cost EMI orders.

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