Imperial SWB Plain Bearings

Part Number: WMSWI 40 43 28

Details

Inner Diameter2.5
Outer Diameter2.6875
Length1.75
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 (Imperial)

Min Max Tolerance
Inside Diameter When Fitted2.52.518
Recommended Housing Size2.68752.7055
Overall Length1.741.76
Shaft Diameter2.4962.498
Wall Thickness0.0940.096

PV Calculation

Values Maximum
Speed
rpm
76394.373 rpm
Load
kg
66.896 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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