Rolled composite plain bearing | Maintenance-free | Steel / graphite bronze | With embedded solid lubricants

Bearing properties

  • GAP-MET®/S is a maintenance-free composite plain bearing. However, oil or grease lubrication is possible. High load capacity and strength, for all slow movement types, suitable for contaminated environments, no moisture absorption, good chemical resistance.


  • Support material Steel (also available as bronze GAP-MET®/B or stainless steel GAP-MET®/N)
  • Sliding layer CuSn alloy
  • Run-in layer Graphit film

Product properties

  • Maintenance maintenance free
  • Static load ≤ 260 N/mm²
  • Dynamic load ≤ 80 N/mm²
  • Sliding speed ≤ 0,5 m/s
  • Friction value 0,10 up to 0,20
  • Temperature strain -150 up to +280 °C
  • max. pv-value 1,0 N/mm² x m/s

Tolerance details

  • Housing ø H7
  • Bushing inner ø after mounting H8 / H9
  • Shaft tolerance To be specified by the client

Shaft material

  • Steel hardened> 180HB, roughness ≤ Rz 4

Installation instructions

  • Housing Installation chamfer, approx. 1.5 mm x 15 to 45°
  • Shaft Installation chamfer, 5 mm x 15°, edges rounded.
  • Installation mandrel It is advisable to use a suitable press-in mandrel. It may be necessary to grease the outer surfaces during installation.

Areas of application

  • Hydroelectric power stations, power plants, plastics machinery