Imperial SWB Plain Bearings

Part Number: WMSWI 72 18 Y

Details

Inner Diameter2.25
Outer Diameter2.4375
Length0.375
Surface StyleSmooth

Material Specification

StructureSteel 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 Oil0.5 to 0.12
Coefficient of friction – With Grease0.5 to 0.15
Sintered layer hardness (HB)60-100

Tolerances & Fittings (Imperial)

MinMaxTolerance
Inside Diameter When Fitted2.252.268
Recommended Housing Size2.43752.4555
Shaft Diameter--2.25
Wall Thickness0.0940.096

PV Calculation

ValuesMaximum
Speed
rpm
84882.636 rpm
Load
kg
12.901 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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