Plain Bearings

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Plain Bearings
Plain Bearings
Plain Bearings

Plain Bearings

Tin/zinc plating + mild steel + Porous bronze sinter + PTFE
Self lubricating and low maintenance

ID and OD chamfers
S3 CO Ci β
0.75 0.5±0.3 0.25±0.2 35°±5°
1.00 0.6±0.3 0.30±0.2 35°±5°
1.50 0.7±0.3 0.50±0.3 35°±5°
S3 CO Ci β
2.00 1.2±0.4 0.50±0.3 35°±5°
2.00 1.8±0.6 0.60±0.3 45°±5°
Unit : mm

Operating Performance
Dry Good
Oil lubricated Very Good
Grease lubricated Good
Water lubricated Fair
Process fluid lubricated Good
Structure of the material:
Layer Average analysis of the material Thickness of layer
Sliding layer
PTFE Coating 10 - 30μm
Intermediate layer
(Average Peak)
CuSn11 Sintered 200÷350μm
Supporting shell Mild Steel
(Also tin/zinc coated)
0,70 ÷ 2,20 mm
(Depending on Dim. of the Bearing)
Max. load Static 250N/mm2 Temp. limit -195°c ~ +280°c
Very low speed 140N/mm2 Max. speed Dry running 2 m/s
Rotating oscillating 60N/mm2 Hydrodynamic operation >2 m/s
Max. PV dry running Short-term operation 3.6N/mm2*m/s Thermal conductivity 42W(m*K)-1
Continuous operation 1.8N/mm2*m/s Coefficient of thermal expansion 11*10-6*K-1
PV max. hydrodynamic 30N/mm2*m/s Friction coefficien Dry 0.08 ~ 0.20
Hydrodynamic 0.03 ~ 0.08


Good wear and low friction performance over a wide range of loads, speeds and temperatures in dry running conditions

Very good performance in lubricated applications

Good performance in greased applications

Suitable for linear, oscillating and rotating movements

Lead-free material


Bearing forms available in standard dimensions

Cylindrical bushes
Cylindrical bushes
Flanged bushes
Flanged bushes
Sliding plates
Sliding plates
Thrust washers
Thrust washers
Flanged Washers
Flanged Washers

Bearing forms made to order:

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


Automotive Aerospace, agricultural equipment, construction equipment, pumps and motors, railroad and tramways, textile machinery, valves food and beverage, material handling equipment, forming machines: metal, plastic and rubber; office equipment, medical and scientific equipment, packaging equipment, pneumatic and hydraulic cylinders.

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