Metric WMG® Plain Bearings

Part Number: WMG 4.5 06 08

Product Logo
Bowman WMG thermoplastic plain bearings for low friction industrial use

Details

Inner Diameter4.5
Outer Diameter6
Length8

Material Specification

StructurePA66 nylon with fibres and PTFE
PV – Dry (N/mm² x m/s)0.4 max
Static load (N/mm²)80 max
Sliding speed (m/s)1.0 max
Intermittent temperature (°C)-70 to 200
Operating temperature (°C)-40 to 150
Thermal Conductivity (W/mk)0.2
Coefficient of friction – Dry0.08 to 0.2
Hardness (rockwell) (HRR)107 min
Hardness (Shore D)80 min
Tensile strength (N/mm²)60 min
Density (g/cm³)1.46
Compressive strength (N/mm²)100 min
E-module (N/mm²)1500 min
Static pressure of surface at 20 degrees (N/mm²)100 min

Tolerances & Fittings (Metric)

MinMaxTolerance
Inside Diameter When Fitted4.524.568E10
Recommended Housing Size66.012H7
Inside Chamfers0.10.4
Outside Chamfers0.20.8

PV Calculation

ValuesMaximum
Speed
rpm
4244.132 rpm
Load
kg
293.578 kg
PV Factor
N/A
N/mm² x m/s
0.4 N/mm² x m/s

⚠ Maximum PV Factor is 0.4! Reduce speed or load.

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