Metric WMG® Plain Bearings

Part Number: WMG 07 09 10

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Details

Inner Diameter7
Outer Diameter9
Length10

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 Fitted7.0257.083E10
Recommended Housing Size99.015H7
Inside Chamfers0.10.5
Outside Chamfers0.21

PV Calculation

ValuesMaximum
Speed
rpm
2728.37 rpm
Load
kg
570.846 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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