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Cylindrical Roller Bearings

Product Guide

Images

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Identification

Cylindrical Roller Bearings labelled identification reference
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  • Visual Shape: Straight rollers between inner and outer rings, often with separable ring design.
  • Common Types: NU, NJ, N, NUP and full complement versions.
  • Common Markings: NU, NJ, N, NUP, EC, ECP, C3, M, J or W33 suffixes.
  • Measurement Check: Confirm ID, OD, width, cage, clearance and ring configuration.
  • Do Not Confuse With: Needle rollers or spherical rollers.

Application

  • Machine Tool Spindles: High-precision versions support smooth running and high radial stiffness.
  • Gearboxes and Transmissions: Support shafts, manage heavy radial loads, and allow axial expansion in non-locating positions.
  • Electric Motors and Generators: Suitable for high-speed operation in large motors and vibration motors.
  • Heavy Industry and Mining: Used in crushers, mills, calenders, and rolling mills due to high radial load capacity.
  • Aerospace: Used in landing gear and engine components where high loads and speed are present.
  • Material Handling: Used in conveyor drives and pulleys, especially in mining and manufacturing sectors.

Brands

Cylindrical Roller Bearings labelled identification reference
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Common brands and references to check for this product type.

SKF NSK NTN FAG / INA Koyo / JTEKT Nachi Timken NKE

Brand availability varies by branch, supplier and application. Always confirm exact series, suffixes and dimensions before quoting.

Suppliers

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