Metric Bronze Wrapped Flanged Bearings

Part Number: WMBF 250 255 50 - 290 X 2.5

Product Logo
Bronze Wrapped Flanged Bearings

Details

Inner Diameter250
Outer Diameter255
Length50
Surface StyleDiamond Indentations
Flange Thickness2.5
Flange Diameter290

Material Specification

StructureCuSn8 bronze with either grease pockets or holes
PV (N/mm² x m/s)2.8 max
Static load (N/mm²)120 max
Dynamic load (N/mm²)40 max
Sliding speed – With Grease (m/s)2.5 max
Intermittent temperature (°C)130 max
Operating temperature (°C)-100 to 200
Thermal Conductivity (W/mk)60
Coefficient of friction0.08 to 0.25
Hardness (HB)90-120
Tensile strength (N/mm²)450 min
Yield point (N/mm²)250 min
Elongation (%)40

Tolerances & Fittings (Metric)

MinMax
Inside Diameter When Fitted250250.115
Recommended Housing Size255255.052
Overall Length49.550.5
Shaft Diameter249.904249.95

PV Calculation

ValuesMaximum
Speed
rpm
191 rpm
Load
kg
152905.2 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!

WMUB Flanged Bearings