Metric WMU® Washers

Part Number: WMUW 42 66 1.5

Product Logo
Bowman WMU PTFE lined thrust washers for axial load applications

Details

Inner Diameter42
Outer Diameter66
Thickness1.5
Backing MaterialStandard Steel

Material Specification

StructureS.A.E. 1010 steel backing strip with sintered bronze and PTFE layers
Max PV – Dry (N/mm² x m/s)1.8
Max PV – Oiled (N/mm² x m/s)2.8
Max Static load (N/mm²)250
Max Dynamic load (N/mm²)140
Max Sliding speed – Dry (m/s)2.5
Max Sliding speed – With Oil (m/s)5
Operating temperature (°C)-200 to 280
Thermal Conductivity (W/mk)42
Coefficient of friction – Dry0.02 to 0.20
Coefficient of friction – With Oil0.02 to 0.15
Recommended shaft finish (Ra)0.04 max (N5)
Recommended shaft hardness (HB)200 min

Tolerances & Fittings (Metric)

MinMaxTolerance
Hole PCD--54
Inside Diameter4242.25
Outside Diameter65.7566
Thickness Tolerance--1.5, 1.45
Location Hole Diameter4.14.4

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