Metric WMX® Plain Bearings

Part Number: WMX 75 80 40

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Details

Inner Diameter75
Outer Diameter80
Length40

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 Fitted75.175.262
Recommended Housing Size8080.03H7
Overall Length39.7540.25
Shaft Diameter74.95475
Inside Chamfers0.21
Outside Chamfers1.22.4

PV Calculation

Values Maximum
Speed
rpm
636.62 rpm
Load
kg
42813.456 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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