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Gelenkkopfdaten

Wartungspflichtige Gelenkköpfe
Maßnormen

SA(A) series → ISO 12240-4:1998 dimension series E, EH
SI(A) series → ISO 12240-4:1998 dimension series E, EH
SC series → ISO 12240-4:1998 dimension series E
SCF series → –
SIJ series → ISO 8133:2006
SIR series → –
SIQG series → ISO 8132:2006
SAKAC series → ISO 12240-4:1998 dimension series K
SIKAC series → ISO 12240-4:1998 dimension series K
SIKAC/VZ019 series → ISO 8139:2009, ISO 12240-4:1998 


Male and female threads:

  • rod ends without suffix VZ019 → ISO 965-1:1998
  • rod ends with suffix VZ019 → ISO 8139:2009
Toleranzen

Inner rings → ISO 12240-4:1998 (table 1)

Radiale Lagerluft

ISO 12240-4:1998 (table 2)

Werkstoffe

Incorporated steel/steel bearings: inner and outer rings made of through-hardened, ground and phosphated bearing steel; sliding contact surfaces are treated with a running-in lubricant
RS-seals: polyester elastomer or acrylonitrile-butadiene rubber (table 3)

Incorporated steel/bronze bearings: outer ring made of bronze and an inner ring made of hardened and ground bearing steel 

Rod end housings (table 4)

Zulässiger Betriebstemperaturbereich
Je nach Gelenkkopfgehäuse, Lager, Lagerdichtungen und Fett (table 5)

The load carrying capacity of the rod end is reduced at temperatures above 100 °C (210 °F). For temperatures below 0 °C (30 °F), check to be sure that the fracture toughness of the rod end housing is adequate for the intended application.

Permissible operating temperature range of the grease must be considered too.

SKF Explorer Stahl/Stahl-Gelenkköpfe
Maßnormen

ISO 12240-4:1998 dimension series E, EH


Male and female threads → ISO 965-1:1998


Toleranzen

Inner rings → ISO 12240-4:1998 (table 1)

Radiale Lagerluft

ISO 12240-4:1998 (table 2)

Werkstoffe

Incorporated bearings: inner and outer rings made of hardened, ground and phosphated high grade carbon chromium steel

LS-seals: acrylonitrile butadiene rubber (NBR) (table 3)

Rod end housings: heat treatable, zinc coated steel C45V, material no. 1.0503


Zulässiger Betriebstemperaturbereich
-45 bis +110 °C (-50 to +230 °F)

Wartungsfreie Gelenkköpfe
Maßnormen

ISO 12240-:1998

Male and female threads:

  • rod ends without suffix VZ019 → ISO 965-1:1998
  • rod ends with suffix VZ019 → ISO 8139:2009

Toleranzen
Innenringe → ISO 12240-4:1998 (table 1)

Radiale Lagerluft, Vorspannung

Depending on their design, maintenance-free rod ends either have a radial internal clearance or a light preload. Tables list maximum values for the radial internal clearance as well as for the frictional moment in the circumferential direction caused by preload:

  • Sliding surface steel/PTFE sintered bronze (suffix C) (table 2)
  • Sliding surface steel/PTFE fabric (suffix TXE-2LS) (table 3)
  • Sliding surface steel/PTFE FRP (suffix F) (table 4)
Werkstoffe

Incorporated bearings:

  • steel/PTFE sintered bronze and steel PTFE fabric rod ends (table 5)
  • steel/PTFE FRP rod ends: inner ring made of through-hardened and ground bearing steel, hard chromium plated sliding contact surface; sliding layer consists of a fibre reinforced polymer, containing PTFE

LS-seals: acrylonitrile butadiene rubber (NBR) (table 6)

Housing materials (table 7)

 

Zulässiger Betriebstemperaturbereich
Je nach Gelenkkopfgehäuse, Lager, Lagerdichtungen und Fett (table 8)

The load carrying capacity of the rod end is reduced at temperatures above 100 °C (210 °F). For temperatures below 0 °C (30 °F), check to be sure that the fracture toughness of the rod end housing is adequate for the intended application.

Der zulässige Betriebstemperaturbereich des Schmierfetts muss ebenfalls berücksichtigt werden.

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