Metric WMU® Flanged Bearings

Part Number: WMUF 06 08 04 - 12 X 1

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Details

Inner Diameter6
Outer Diameter8
Length4
Backing MaterialStandard Steel
Flange Thickness1
Flange Diameter12

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 Tolerance11.512.5
Inside Diameter When Fitted5.996.055
Recommended Housing Size88.015H7
Overall Length3.754.25
Shaft Diameter5.9785.99
Inside Chamfers0.10.5
Outside Chamfers0.21

PV Calculation

ValuesMaximum
Speed
rpm
15915.494 rpm
Load
kg
611.621 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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