GN 648.2

Types (pairings)

  • Type N: Brass / Steel lubrication possible
  • Type W: Steel-PTFE / Steel self lubricated

Housing Steel

  • zinc plated, blue passivated
  • d1 = 5 up to 12: machined
  • d1 = 14 up to 25: forged


Type N (lubrication possible)

Bearing socket

Brass, CuZn40AI1

Internal ring

Steel, 100Cr6

hardened, ground, polished

Type W (self lubricated)

Bearing socket

Steel, zinc plated

with PTFE-insert

Internal ring

Steel, 100Cr6

hardened, ground, polished

Ball joint heads GN 648.2 are similar to DIN ISO 12240-4, series K (formerly DIN 648 K).

  • More information to ball joints as well as load capacity 

  • narrow model (ISO 12240-1, series E)

  • ISO-Fundamental Tolerances 


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