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23680

Guide bushes bronze, maintenance-free

  • Can be used radially and axially
  • Maintenance-free and wear-resistant
  • Self-lubricating through solid lubricant depots
Special features:

from £8.54

plus sales tax
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Description

Material
Bronze with graphite inserts.
Version
Self-lubricating.
Hardness 190-220 HB.
Note
The guide bushes are radially and axially applicable.
The bearing elements are maintenance-free and wear-resistant.
The graphite inserts provide life-long lubrication.

Preferably for travel speeds < 0.5 m/s. (Additional lubrication is recommended for extreme loading with a higher travel speeds).
Technical Data

Material properties:
Base alloy: CuZn25Al6FeMn3
Density: 8.0 g/cm3
Tensile strength Rm: 750 N/mm2
Yield point: 450 N/mm2
Ductile fracture A5: 5-8%
Friction coefficient: 0.05 - 0.12
Maximum speed: 15 m/min
Thermal conductivity: 50 W/m x k
Thermal expansion coefficient: 18 x 10-6
Electrical conductivity: 7-8 m/(Ω x mm2)
Solid lubricant content: 25-30 %

Temperature range
Temporary temperature peaks up to ca. 200°C.
Tolerances
The bore for the bearings should correspond to ISO tolerance H7.

The tolerance h6 to h7 is recommended for the shaft.