Metric WMX® Plain Bearings

Part Number: WMX 12 14 20

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Details

Inner Diameter12
Outer Diameter14
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 Fitted12.0412.108
Recommended Housing Size1414.018H7
Overall Length19.7520.25
Shaft Diameter11.97312
Inside Chamfers0.10.5
Outside Chamfers0.21

PV Calculation

Values Maximum
Speed
rpm
3978.874 rpm
Load
kg
3425.076 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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