Metric SWB Plain Bearings

Part Number: WMSW 52 57 30 Y

Details

Inner Diameter52
Outer Diameter57
Length30
Surface StyleSmooth

Material Specification

Structure Steel backing strip with a sintered bronze layer
PV (N/mm² x m/s) 2.8 max
Static load (N/mm²) 150 max
Sliding speed – With Oil (m/s) 10 max
Sliding speed – With Grease (m/s) 2.5 max
Operating temperature (°C) 250 max
(dependant on lubrication)
Coefficient of friction – With Oil 0.5 to 0.12
Coefficient of friction – With Grease 0.5 to 0.15
Sintered layer hardness (HB) 60-100

Tolerances & Fittings (Metric)

Min Max Tolerance
Inside Diameter When Fitted5252.046
Recommended Housing Size5757.03
Overall Length29.7530.25
Shaft Diameter51.9451.97
Wall Thickness2.5132.562

PV Calculation

Values Maximum
Speed
rpm
3672.806 rpm
Load
kg
23853.211 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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