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Single row cylindrical roller bearings

RKB offers a wide range of single row cylindrical roller bearing designs in normal or reinforced execution with increased performance in critical applications. Roller and raceway profiles are designed to attain optimized stress distribution, while minimizing the edge effect, especially under harsh working conditions.

Main types

  • Type NU

    • Outer ring with two integral side ribs
    • Ribless inner ring
    • Two-piece machined brass cage guided on rollers (M) or outer ring (MA)
    • Available with riveted or AVH cage also with lubrication grooves
    • Optimized raceway geometry and roller profile
    • To be used in non-locating position

  • Type NJGL

    • Outer ring circumferentially split
    • Inner ring with one integral side rib
    • Lamellar brass cage design
    • Designed to maintain high carrying capacities without compromising the rotational speed capability
    • Optimized raceway geometry and roller profile

  • Type NUB

    • Outer ring with two integral side ribs
    • Wider ribless inner ring
    • Two-piece machined brass cage guided on rollers (M) or outer ring (MA)
    • Available with riveted or AVH cage also with lubrication grooves
    • Optimized raceway geometry and roller profile
    • To be used in non-locating position

  • Type NF

    • Outer ring with one integral side rib
    • Inner ring with two integral side ribs
    • Two-piece machined brass cage guided on rollers (M) or outer ring (MA)
    • Available with riveted or AVH cage also with lubrication grooves
    • Optimized raceway geometry and roller profile
    • Can be used in one direction locating position

  • Type N

    • Ribless outer ring
    • Inner ring with two integral side ribs
    • Two-piece machined brass cage guided on rollers (M) or inner ring (MB)
    • Lubrication grooves in side faces of inner ring
    • Available with riveted or AVH cage also with lubrication grooves
    • Optimized raceway geometry and roller profile
    • To be used in non-locating position

  • Type NJF

    • Outer ring with one integral side rib
    • Inner ring with one integral side rib
    • Two-piece machined brass cage guided on rollers (M) or outer ring (MA)
    • Available with riveted or AVH cage also with lubrication grooves
    • Optimized raceway geometry and roller profile
    • Can be used in one direction locating position

  • Type NUP

    • Outer ring with two integral side ribs
    • Inner ring with one integral side rib and one loose rib
    • Two-piece machined brass cage guided on rollers (M) or outer ring (MA)
    • Available with riveted or AVH cage also with lubrication grooves
    • Optimized raceway geometry and roller profile
    • Can be used in locating position

  • Type split SCRB

    • Design used for medium and large size bearings
    • Wider inner ring with integral side ribs
    • Two-piece window type
    • Engineered for hard-to-reach positions (e.g. universal joint drive shaft supporting)
    • Design for easy mounting, dismounting and maintenance to reduced machine downtime
    • Available in locating and non-locating configuration
    • Available in taylor-made dimension
    • Optimized raceway geometry and roller profile

  • Type NJ

    • Outer ring with two integral side ribs
    • Inner ring with one integral side rib
    • Two-piece machined brass cage guided on rollers (M) or outer ring (MA)
    • Available with riveted or AVH cage also with lubrication grooves
    • Optimized raceway geometry and roller profile
    • Can be used in one direction locating position

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