Metric WMUB Plain Bearings

Part Number: WMUB 110 115 115

WMUB Plain Bearings

Details

Inner Diameter110
Outer Diameter115
Length115
Backing MaterialBronze

Material Specification

StructureCuSn8 backing strip with sintered bronze & 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 Fitted110.02110.155
Recommended Housing Size115115.035H7
Overall Length114.75115.25
Shaft Diameter109.929109.964
Inside Chamfers0.21
Outside Chamfers1.22.4

PV Calculation

ValuesMaximum
Speed
rpm
868.118 rpm
Load
kg
322375.127 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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