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GN648.5 Ball Joints Female Stainless Steel strong robust GN 648.5 648-5 GN648-5 GN 648-5

Standard Machine Elements > Universal, Ball Joints & Fork Joints
All Stainless Steel Products
Standard Machine Elements > Universal, Ball Joints & Fork Joints > Ball Joint Heads
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GN648.5 Ball Joint Head, Female Thread



Type NH - Bronze / Steel, lubrication possible

Type WH - Bronze PTFE / Steel, self lubricated

Type WK - Stainless Steel PTFE / Stainless Steel, self lubricated

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Tech Spec:


GN 648.5 Ball Joint Head, Female Thread

These ball joints, GN 648.5, are used for a wide range of applications and are strong and robust for a long service life. They are similar to DINISO 12240-4, series K (formerly DIN648 K).

A narrow model (ISO 12240-1, series E) is also available, on request.


Housing - Stainless Steel, AISI 431, forged, polished


Type NH (lubrication possible)

Bearing socket - Bronze CuSn8

Internal ring - Steel 100Cr6 hardened, ground, polished, hard chrome plated

Type WH (self lubricated)

Bearing socket - Bronze CuSn8 with PTFE-insert

Internal ring - Steel 100Cr6 hardened, ground, polished, hard chrome plated

Type WK (self lubricated)

Bearing socket - Stainless Steel AIOSI 316Ti with PTFE-insert

Internal ring - Stainless Steel 420 hardened, ground, polished

RoHS compliant

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