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Bearing Modification



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Napoleon Engineering Services modification program provides customers with flexible solutions to their bearing problems. Through the use of existing inventory NES can modify standard products to fit the most specific application requirements. Modifying existing products reduces lead time and increases savings while significantly enhancing the products performance in the application. NES is equipped to conduct precision and simple modifications, ensuring the bearing will operate efficiently. Bearing modification is part of the industrial bearing Condition Analysis Reclamation (CAR) program.

Precision Modification

Through our industry conforming precision modifications clients are able to meet and exceed their design intentions. We offer a variety of precision services for a variety of bearings.

  • Duplex Grinding
    • Angular contact ball bearings
    • Deep groove ball bearings
  • Ceramic Hybrids
    • Angular contact ball bearings
    • Deep groove ball bearings
  • Radial Clearance Changes
    • All bearing types
  • Specialty Cages
    • PEEK�, Vespel�, Nylon, Bronze, Steel, Phenolic
    • 1-piece machined snap-on
    • 1-piece machined full pocket
    • 2-piece machined riveted
  • Anti-Rotation holes, grooves, slots
  • Non-Standard Bore Sizes
    • Enlarging a bearing bore to special dimensions and tolerances
  • Tapered Bore 1:12 – all types
  • Oil Holes and Grooves – W33 designation
  • Special Width Requirements
  • Seal/Shield Additions – Teflon seals
  • Precision Spacers – Tapered Roller Bearing Sets
  • Dry Film and Specialty Lubricants

Simple Modification

NES also performs simple modifications of a variety of bearing models.

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  • Snap Ring Grooving
  • Regreasing
    • All grease types for special applications – Mobil 28, Exxon Polyrex EM, Aeroshell #7, Chevron SRI#2, Andok C, Shell Alvania #2, Food grade greases, Kluber greases, Krytox greases, etc.
  • Seal/Shield Replacements
  • Special Marking
    • Air pencil
    • Electrochemial
    • Laser marking

Additional Custom Bearing Manufacturing Links