Metric WMUB Plain Bearings

Part Number: WMUB 55 60 60

Details

Inner Diameter55
Outer Diameter60
Length60
Backing MaterialBronze

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
Inside Diameter When Fitted54.9955.11
Recommended Housing Size6060.03H7
Overall Length59.7560.25
Shaft Diameter54.9454.97
Inside Chamfers0.21
Outside Chamfers1.22.4

PV Calculation

ValuesMaximum
Speed
rpm
1736.236 rpm
Load
kg
84097.859 kg
PV Factor
N/A
N/mm² x m/s
1.8 N/mm² x m/s

⚠ Maximum PV Factor is 1.8! Reduce speed or load.

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