Metric Bowman Oilless® Flanged Bearings

Part Number: WMOF 70 85 50 - 105 X 7.5

Product Logo
Bowman Oilless bronze flanged bearings with graphite plug lubrication

Details

Inner Diameter70
Outer Diameter85
Length50
Flange Thickness7.5
Flange Diameter105

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 Tolerance7.47.5
Recommended Housing Size8585.035H7
Inside Diameter70.0670.09
Overall Length49.749.9

PV Calculation

ValuesMaximum
Speed
rpm
68.209 rpm
Load
kg
35677.88 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.

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!

Bronze Wrapped Plain Bearings