Type B90

Type B90

(Type F90 - bushing with a flange)

(Type W90 - sliding washer)
Sliding Bushings made of wrapped bronze (CuSn8P) plate with diamond-shaped extruded grease pockets. Suitable for heavy loads, especially impact loads. Requires re-lubrication during operation. They can be lubricated with both solid greases and oils.  This kind of sleevese lets obtain stiffness of the bearings node and is characterized by high resistance to abrasion, operation in difficult conditions caused by dirt.

Dimensional series available in accordance with ISO 3547 and DIN 1494.



Typical load capacity static≦120 N/mm2

Typical load capacity dynamic≦40 N/mm2 (at the sliding speed max 2m/s)

Sliding speed≦2,5m/s

Friction factorμ0,05 - 0,12 (depending on lubrication)

Maximum PV2,8 N/mm2 * m/s

Operating temp. -40 do +250 oC

Percentage contact area>75%


  • housingH7
  • bushinf after assemblingH9
  • shaftf7-h8

Shaft hardeness150-400 HB

Surface roughnessRz ≦ 6.3

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