Metric Bowman Oilless® Flanged Bearings

Part Number: WMOF 30 40 25 - 50 X 5

Product Logo
Bowman Oilless bronze flanged bearings with graphite plug lubrication

Details

Inner Diameter30
Outer Diameter40
Length25
Flange Thickness5
Flange Diameter50

Material Specification

StructureCuZn25Al6Mn4 Bronze with solid graphite lubricant inserts
(alternative specifications are available on request)
 PV (N/mm² x m/s)3.3 max
Static load (N/mm²)100 max
Sliding speed (m/s)0.3 max
Operating temperature (°C)Up to 300
(alternative specs up to 400)
Coefficient of thermal expansion19 x 10-5/°C
Coefficient of friction0.16
Hardness (HB)210 min
Tensile strength (N/mm²)750 min
Elongation (%)12 min
Density (g/cm³)8

Tolerances & Fittings (Metric)

MinMaxTolerance
Flange Thickness Tolerance4.95
Recommended Housing Size4040.025H7
Inside Diameter30.0430.061
Overall Length24.724.9

PV Calculation

ValuesMaximum
Speed
rpm
159.155 rpm
Load
kg
7645.26 kg
PV Factor
N/A
N/mm² x m/s
3.3 N/mm² x m/s

⚠ Maximum PV Factor is 3.3! Reduce speed or load.

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