Feed Mechanisms Company
Close-up of NSK precision bearings on a machine tool spindle workbench

Feed Mechanisms Company · NSK Bearing Knowledge

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Engineering notes on NSK super-precision, ball screw support and industrial bearings: complete part numbers, seal and clearance options, matched sets and preload for spindle and feed-axis repairs.

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Photography 5 min read

A Beautiful and Perfect Life

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Worn precision bearing held in an engineer's hand, showing the markings on its outer ring

Part number unclear?

Send a photo of the bearing markings

If you only have a shortened stock code or a worn bearing, send us clear photos of its markings. We help identify the full NSK part number, including seal, clearance and precision class, so your replacement matches the machine.

  • Authorized NSK supply
  • Original packaging and documentation
  • Spindle and feed-axis positions
  • Matched sets and preload confirmed

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