Metric WMUB Plain Bearings

Part Number: WMUBF 12 14 12 - 20 X 1

Details

Inner Diameter12
Outer Diameter14
Length12
Backing MaterialBronze
Flange Thickness1
Flange Diameter20

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 Fitted11.9912.058
Recommended Housing Size1414.018H7
Overall Length11.7512.25
Shaft Diameter11.96611.984
Inside Chamfers0.10.5
Outside Chamfers0.20.8

PV Calculation

ValuesMaximum
Speed
rpm
7957.747 rpm
Load
kg
3669.725 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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