Metric Bronze Wrapped Plain Bearings

Part Number: WMB 38 42 40

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Bronze Wrapped Plain Bearings

Details

Inner Diameter38
Outer Diameter42
Length40
Surface StyleDiamond Indentations

Material Specification

StructureCuSn8 bronze with either grease pockets or holes
PV (N/mm² x m/s)2.8 max
Static load (N/mm²)120 max
Dynamic load (N/mm²)40 max
Sliding speed – With Grease (m/s)2.5 max
Intermittent temperature (°C)130 max
Operating temperature (°C)-100 to 200
Thermal Conductivity (W/mk)60
Coefficient of friction0.08 to 0.25
Hardness (HB)90-120
Tensile strength (N/mm²)450 min
Yield point (N/mm²)250 min
Elongation (%)40

Tolerances & Fittings (Metric)

MinMax
Inside Diameter When Fitted3838.062
Recommended Housing Size4242.025
Overall Length39.7540.25
Shaft Diameter37.9537.975

PV Calculation

ValuesMaximum
Speed
rpm
1256.5 rpm
Load
kg
18593.3 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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WMX® Plain Bearings