Metric WMX® Plain Bearings

Part Number: WMX 30 34 15

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Details

Inner Diameter30
Outer Diameter34
Length15

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 Fitted30.0630.155
Recommended Housing Size3434.025H7
Overall Length14.7515.25
Shaft Diameter29.96730
Inside Chamfers0.10.7
Outside Chamfers0.81.6

PV Calculation

ValuesMaximum
Speed
rpm
1591.549 rpm
Load
kg
6422.018 kg
PV Factor
N/A
N/mm² x m/s
2.8 N/mm² x m/s

⚠ Maximum PV Factor is 2.8! Reduce speed or load.

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