Imperial SWB Plain Bearings

Part Number: WMSWI 88 18

Details

Inner Diameter2.75
Outer Diameter2.9375
Length2.25
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 Fitted2.752.768
Recommended Housing Size2.93752.9555
Overall Length2.242.26
Shaft Diameter2.7462.748
Wall Thickness0.0940.096

PV Calculation

Values Maximum
Speed
rpm
69449.43 rpm
Load
kg
94.61 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.

Looking for a custom size or special specifications?

Whether you need standard or custom options, we’re here to help. Reach out now and let’s find the perfect match!