LUB-MET® CuZn25Al5*

Solid bronze plain bearing | Maintenance-free | With solid lubricant deposits in the sliding surface | Version available with water-resistant solid lubricant

Bearing properties

  • LUB-MET® is a maintenance-free plain bearing. However, initial lubrication is necessary. For high loads, shock loads, wear-resistant, insensitive to dirt, corrosion-resistant, long service life.

Material

  • CuZn25Al5 + solid lubricants

Product properties

  • Maintenance maintenance free
  • Static load ≤ 150 N/mm²
  • Dynamic load ≤ 100 N/mm²
  • Sliding speed ≤ 1,0 m/s
  • Friction value 0,03 up to 0,20
  • Temperature strain -100 up to +300 °C
  • max. pv-value 2,8 N/mm² x m/s
  • Hardness 190 - 220 HB
  • Solid lubricant percentage 25 - 30 %

Tolerance details

  • Housing ø H7
  • Bearing in delivery condition E7 / s6 (until 120 ø r6)
  • Shaft tolerance f7

Shaft material

  • The difference in hardness to the bearing should be at least 100 HB if possible hardened and ground, roughness ≤ Rz 6,3

Mounting advise

  • 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.

Range of application

  • Mechanical engineering, construction machinery, agricultural machinery, railways, shipbuilding, offshore plants

* This bearing is available in other metal alloys. Please also refer to our data sheet with the comparative overview of material properties.