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Needle Roller Bearings

Product Guide

Images

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Identification

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  • Visual Shape: Small diameter rollers relative to length, high load in compact radial space.
  • Common Types: Drawn cup, machined ring, cage assembly, thrust needle and combined units.
  • Common Markings: HK, BK, NA, RNA, NK, NKI, AXK, K.
  • Measurement Check: Confirm ID, OD, width, open/closed end and if inner ring is required.
  • Do Not Confuse With: Cylindrical rollers.

Application

  • Automotive: Found in rocker arms, pumps, compressors, transmissions, and compact driveline assemblies.
  • Machinery: Used in printing machines, agricultural equipment, and construction machinery.
  • Linear Guides: Used for high-load linear movement where compact bearing size is required.
  • Automation: Used in robotics, conveyor systems, indexing systems, and industrial gearboxes.
  • Compact Designs: Useful where space is limited but radial load capacity must remain high.

Brands

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Common brands and references to check for this product type.

IKO INA / FAG SKF NSK NTN Koyo / JTEKT Nadella Timken

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

Suppliers

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