Metric SWB Plain Bearings

Part Number: WMSW 38 42 30 Y

Details

Inner Diameter38
Outer Diameter42
Length30
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 Fitted3838.039
Recommended Housing Size4242.025
Overall Length29.7530.25
Shaft Diameter37.9537.975
Wall Thickness2.0102.059

PV Calculation

Values Maximum
Speed
rpm
5025.946 rpm
Load
kg
17431.193 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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