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SWB-MET® 1069

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TECHNICAL DATA SWB-MET® 1069

  • Heat-treated sliding bearing bronze
  • For area and shock loading
  • Heavy-maintenance
  • This bearing type is only available as manufacture of new articles
  • All special designs are available at short notice!
PROPERTIES Compared to LHG heavy-duty bronze 1241, this alloy features considerably better values in hardness, yield strength and yield stress but at the same time the properties of breaking elongation and impact value decreases. The main applications of this material are bearings, guide slide bearings, spindle nut, sliding parts. As a result of the chemical resistance the material can be applied where aicids, bases und sea water occur.
LHG heavy duty bronze 1069 is very good to process. Carbide tipped tools are not necessary.
MATERIALS
MATERIAL PROPERTIES **
Sand Casting*Centrifugal Casting*Unit
Tensile strength Rm724 (620)793 (655)[N/mm²]
Yield strength Rp379 (345)407 (345)[N/mm²]
Elongation A58 (4)10 (5)[%]
Brinell hardness223 (202)228 (202)[HB 30]
Rockwell hardness97 (94)98 (94)[HRB]
Compressive strength ultimate бdB10691069[N/mm²]
Density7,457,45[g/cm²]

TOLERANCE DETAILS
Housing – Ø According to customer’s specification
Bushing after mounting According to customer’s specification
Shaft tolerance According to customer’s specification
SHAFT MATERIAL Hardened steel, surface roughness < Rz 6,3
MOUNTING ADVISE
Housing – Ø Mounting bevel, min. 1,5 mm x 15-45°
Shaft Mounting bevel, 5 mm x 15°, edges rounded
Force fitting mandrel The application of an adequate force fitting mandrel is advisable. Grease lubrication of the outer surface may be necessary when mounting.
MAINTENANCE Oil or grease lubrication is necessary. Because of lubrication slots or lubrication drills, lubrication clearances can be reduced to a minimum and lubricant allocation can be improved.
* All datas stated above are recommended values. Values stated in brackets are the minimum. avaliable in short period of time.
** The above stated material properties are valid for optimal operating conditions. Through changes of the application conditions e.g. higher sliding speed or strain, these values are subject to change.