Metric SWB Plain Bearings

Part Number: WMSW 28 32 20 Y

Details

Inner Diameter28
Outer Diameter32
Length20
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 Fitted2828.033
Recommended Housing Size3232.021
Overall Length19.7520.25
Shaft Diameter27.95927.98
Wall Thickness2.0102.059

PV Calculation

Values Maximum
Speed
rpm
6820.926 rpm
Load
kg
8562.691 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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