RN307 RN307E RN307EM RN307M Cylindrical Roller Bearing Brass Cage Reducer Gearbox bearings

円柱軸受
October 17, 2025
Brief: Discover the RN307, RN307E, RN307EM, and RN307M cylindrical roller bearings with brass cage, designed for heavy radial loads in reducers and gearboxes. Ideal for industrial motors, heavy-duty reducers, and machine tool gearboxes, these bearings feature a non-inner-ring design for space efficiency and precision shaft fitting.
Related Product Features:
  • Non-inner-ring cylindrical roller bearing for heavy radial loads, saving space via direct shaft contact.
  • Brass solid cage (M series) ensures durability and suitability for medium-high speed applications.
  • Precision grade P6 for high accuracy in demanding industrial environments.
  • Basic dynamic load rating of ≈55 kN, optimized for radial-load dominant scenarios.
  • Widely used in industrial motors, heavy-duty reducers, and machine tool gearboxes.
  • Outer ring and rollers made from GCr15 for enhanced strength and wear resistance.
  • Applicable shaft diameter of 35mm (tolerance: h6/h7) for precise fitting.
  • Available in multiple models (RN305 to RN338) to suit various industrial needs.
FAQ:
  • What is the main advantage of the RN307M cylindrical roller bearing?
    The RN307M features a non-inner-ring design, saving space and allowing direct shaft contact, making it ideal for heavy radial loads in space-constrained applications.
  • Where are RN307 series bearings commonly used?
    They are widely used in industrial motors, heavy-duty reducers, machine tool gearboxes, and mining auxiliary equipment due to their durability and load-bearing capacity.
  • What materials are used in the construction of RN307 bearings?
    The outer ring and rollers are made from GCr15 for strength, while the cage is brass (M series), ensuring durability and suitability for medium-high speeds.