Metric WMX® Plain Bearings

Part Number: WMX 300 305 80

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Details

Inner Diameter300
Outer Diameter305
Length80

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 Fitted300.13300.292
Recommended Housing Size305305.052H7
Overall Length79.7580.25
Shaft Diameter299.919300
Inside Chamfers0.21
Outside Chamfers1.22.4

PV Calculation

Values Maximum
Speed
rpm
159.155 rpm
Load
kg
342507.645 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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