Imperial SWB Plain Bearings

Part Number: WMSWI 26 28.5 20

Details

Inner Diameter1.625
Outer Diameter1.78125
Length1.25
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 Fitted1.6251.641
Recommended Housing Size1.781251.79725
Overall Length1.241.26
Shaft Diameter1.4971.498
Wall Thickness0.0780.08

PV Calculation

Values Maximum
Speed
rpm
117529.804 rpm
Load
kg
31.059 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!