Metric WMU® Flanged Bearings

Part Number: WMUF 30 34 26 - 42 X 2

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Details

Inner Diameter30
Outer Diameter34
Length26
Backing MaterialStandard Steel
Flange Thickness2
Flange Diameter42

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
Flange Diameter Tolerance41.542.5
Inside Diameter When Fitted29.9930.085
Recommended Housing Size3434.025H7
Overall Length25.7526.25
Shaft Diameter29.95929.98
Inside Chamfers0.10.7
Outside Chamfers0.81.6

PV Calculation

ValuesMaximum
Speed
rpm
3183.099 rpm
Load
kg
19877.676 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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