Metric Bronze Wrapped Flanged Bearings

Part Number: WMBF 300 305 80 - 340 X 2.5 H

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Bronze Wrapped Flanged Bearings

Details

Inner Diameter300
Outer Diameter305
Length80
Surface StyleHoles
Flange Thickness2.5
Flange Diameter340

Material Specification

Structure CuSn8 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 friction 0.08 to 0.25
Hardness (HB) 90-120
Tensile strength (N/mm²) 450 min
Yield point (N/mm²) 250 min
Elongation (%) 40

Tolerances & Fittings (Metric)

Min Max Tolerance
Inside Diameter When Fitted300300.13
Recommended Housing Size305305.052
Overall Length79.580.5
Shaft Diameter299.892299.944

PV Calculation

Values Maximum
Speed
rpm
159.155 rpm
Load
kg
293577.982 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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