Acetal Bushes

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ID and OD chamfers
S3 CO Ci β
0.0315 0.008-0.030 0.002-0.018 30°±5°
0.0472 0.012-0.035 0.006-0.022 30°±5°
0.0630 0.015-0.040 0.008-0.032 30°±5°
S3 CO Ci β
0.0787 0.030-0.060 0.008-0.032 30°±5°
0.0945 0.050-0.095 0.020-0.043 45°±5°
Unit : mm

Operating Performance
Dry Poor
Oil lubricated Good
Grease lubricated Very Good
Water lubricated Poor
Process fluid lubricated Poor
Structure of the material:
Layer Average analysis of the material Thickness of layer
Sliding layer
POM-C 250 - 450 μm
Intermediate layer
(Average Peak)
CuSn11 Sintered 200 - 350μm
Supporting shell Low Carbon Steel 0,50 ÷ 2,70 mm
(Depending on Dim. of the Bearing)
Protective layer Sn or Zn 2 - 8 μm
Max. load Static 140N/mm2 Temp. limit -30°c to +130°c
Very low speed 70N/mm2 Max. speed Dry running 2.5 m/s
Rotating oscillating 60N/mm2 Hydrodynamic operation >2.5 m/s
Max. PV dry running Short-term operation 3.6N/mm2*m/s Thermal conductivity 42W(m*K)-1
Continuous operation 2.8N/mm2*m/s Coefficient of thermal expansion 11*10-6*K-1
PV max. hydrodynamic 30N/mm2*m/s Friction coefficien Dry 0.06 ~ 0.12
Hydrodynamic 0.03 ~ 0.08


Marginally lubricated bearing material for grease or oil lubricated applications

Standard parts contain grease indents in the sliding layer; plain sliding layer available by request

Optimum performance under relatively high loads and low speeds

Suitable for linear, oscillating and rotating movements

Wide range of parts available from stock


Bearing forms available in standard dimensions

Cylindrical bushes
Cylindrical bushes
Thrust washers
Thrust washers
Sliding plates
Sliding plates

Bearing forms made to order:

Standard forms in special dimensions, half-bearings, special shapes obtained by stamping, bearings with locating notches, lubricant holes and machined grooves, customized bearing designs.


Automotive Mechanical handling and lifting equipment, machine slides, hydraulic cylinders, hydraulic motors, ski-lifts, pneumatic equipment, medical equipment, textile machinery, agricultural equipment, scientific equipment, etc.

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