Type N - Manual Lubrication
Type W - Self Lubricated
GN648.2 Ball Joint Head, Threaded Bolt
Ball joint heads are ideal for a range of mounting applications as they swivel in all directions. These ball joints GN648.2 are similar to DINISO 12240-4, series K (formerly DIN648 K).
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 BR, CuZn40Al
Internal ring - Steel ST, 100 Cr6, hardened, ground, polished.
Type W (self lubricated)
Bearing socket - Steel ST, zinc plated, with PTFE-insert
Internal ring - Steel ST, 100 Cr6, hardened, ground, polished
Ball joints DINISO 12240-4, series E (narrow model)