Metric WMX® Plain Bearings

Part Number: WMX 20 23 20

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Details

Inner Diameter20
Outer Diameter23
Length20

Material Specification

Structure S.A.E. 1010 steel backing strip with sintered bronze and Acetal Copolymer layers
Max PV (N/mm² x m/s) 2.8
Max Static load (N/mm²) 140
Max Dynamic load (N/mm²) 70
Max Sliding speed – With Grease (m/s) 2.5
Operating temperature (°C) -40 to 110
Thermal Conductivity (W/mk) 2
Coefficient of friction – With Grease 0.05 to 0.15
Recommended shaft hardness (HB) 200 min

Tolerances & Fittings (Metric)

Min Max Tolerance
Inside Diameter When Fitted20.0520.131
Recommended Housing Size2323.021H7
Overall Length19.7520.25
Shaft Diameter19.96720
Inside Chamfers0.10.7
Outside Chamfers0.21

PV Calculation

Values Maximum
Speed
rpm
2387.324 rpm
Load
kg
5708.461 kg
PV Factor
N/A
N/mm² x m/s
2.8 N/mm² x m/s

⚠ Maximum PV Factor is 2.8! Reduce speed or load.

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