Specification
Types (pairings)
- Type N: Brass / Steel lubrication possible
- Type W: Steel-PTFE / Steel self lubricated
- zinc plated, blue passivated
- d1 = 5 up to 12: machined
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
Information
Ball joint heads GN 648.1 are similar to DIN ISO 12240-4, series K (formerly DIN 648 K).