GN 321

Types

  • Type A: without handle
  • Type R: with revolving handle

Bore codes

  • Version B: without keyway
  • Version K: with keyway

Aluminium

  • Hub machined
  • Rim turned

Rim concentric and square to bore < 0.4

Wheel body

  • Rim high-polished
  • unmachined body matt shot-blasted

Cylindrical Revolving handles GN 798 

  • Plastic, technopolymer, black matt
  • Spindle steel, zinc plated, blue passivated

Disc handwheels GN 321 have recessed grips at their back.

  • Countersunk washers GN 184 (for axial fixing)

  • Keyway P9 DIN 6885 
  • Cross holes GN 110
  • ISO-Fundamental Tolerances 

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