Metric WMG® Flanged Bearings

Part Number: WMGF 20 23 28 - 28 X 1.5

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Details

Inner Diameter20
Outer Diameter23
Length28
Flange Thickness1.5
Flange Diameter28

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
Flange Thickness Tolerance1.361.5
Flange Diameter Tolerance27.60527.935d13
Inside Diameter When Fitted20.0420.124E10
Recommended Housing Size2323.021H7
Inside Chamfers0.10.7
Outside Chamfers0.21

PV Calculation

ValuesMaximum
Speed
rpm
954.93 rpm
Load
kg
4566.769 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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