Deep groove ball bearings
Open designs

Of simple design and little maintenance, RKB deep groove ball bearings in open design are the most versatile and popular bearings in rolling applications. They can take radial and axial loads in both directions and are optimized for low noise and low vibration.

Main types

  • Type J

    • One-piece inner and outer ring
    • High strength two-piece pressed steel cage guided on balls (J)
    • Execution suitable for high operating speeds
    • Available with snap ring groove in outer ring for axial location (N)
  • Type M

    • One-piece inner and outer ring
    • Two-piece machined brass cage guided on balls (M)
    • Execution suitable for very high operating speeds
    • Available with two-piece machined brass cage guided on inner ring (MB) or outer ring (MA)
    • Available with axial lubrication grooves in the guiding surface of the cage (MAS/MBS)
    • Available with locating slot for axial location (N)
  • Type TN

    • One-piece inner and outer ring
    • Moulded glass fiber reinforced polyamide snap-in cage guided on balls (TN)
    • Execution suitable for very high accelerations and operating speeds