Roller Bearing · 02.1

Cylindrical Roller Bearing

Carries heavy radial loads with high rigidity and low friction through line contact between rollers and raceways.

Overview

Cylindrical Roller Bearing

Cylindrical roller bearings are designed for applications demanding high radial load capacity and high rigidity. The line contact between the cylindrical rollers and raceways distributes loads over a larger surface area compared to point contact in ball bearings. Available in single-row (NU, NJ, NUP, N, NF) and multi-row configurations for the most demanding radial load applications.

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Key Features

  • Line contact provides superior radial load capacity vs ball bearings
  • Available in NU, NJ, NUP, N, and NF series configurations
  • Single-row and multi-row designs for varying load requirements
  • Separable design allows independent mounting of inner and outer rings
  • Suitable for medium to high-speed applications
  • High rigidity for precision machine tool spindles
Technical Specifications

Cylindrical Roller Bearing — Specifications

Load TypeHeavy Radial
RowsSingle / Double / Multi
Speed RangeMedium to High
SeriesNU / NJ / NUP / N / NF
MaterialChrome Steel (GCr15)
Cage TypeSteel / Brass / Polyamide
StandardsISO 15, DIN 5412
Applications

Where Cylindrical Roller Bearings Are Used

Gearboxes

Handles heavy radial loads in industrial and automotive transmission systems.

Rolling Mills

Withstands extreme radial forces in steel and aluminum rolling operations.

Machine Tool Spindles

Provides high rigidity and precision for CNC and conventional machine tools.

Electric Generators

Supports heavy rotor weights in power generation equipment.

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