Metric WMX® Plain Bearings

Part Number: WMX 70 75 70

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Details

Inner Diameter70
Outer Diameter75
Length70

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 Fitted70.170.262
Recommended Housing Size7575.03H7
Overall Length69.7570.25
Shaft Diameter69.95470
Inside Chamfers0.21
Outside Chamfers1.22.4

PV Calculation

Values Maximum
Speed
rpm
682.093 rpm
Load
kg
69928.644 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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