Metric BowMet® Flanged Bearings

Part Number: BMF 225 230 60 - 260 X 2.5

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Details

Inner Diameter225
Outer Diameter230
Length60
Surface StyleSmooth
Flange Thickness2.5
Flange Diameter260

Material Specification

Structure Toughmet ® spinodal bronze with optional lubrication holes/indentations
Max PV – Dry (N/mm² x m/s) 0.6
Max PV – Oiled (N/mm² x m/s) 9.6
Max Static load (N/mm²) 820
Max Dynamic load (N/mm²) 340
Max Sliding speed – Dry (m/s) 3
Max Sliding speed – With Oil (m/s) 10
Operating temperature (°C) -250 to 300
Thermal Conductivity (W/mk) 38
Coefficient of thermal expansion 16.4 x 10-6/°C
Coefficient of friction – Dry 0.25
Coefficient of friction – With Oil 0.04
Recommended shaft finish (Ra) 0.4 max (N5)
Recommended shaft hardness (HRC) 60
Hardness (HRC) 30 min
Ultimate Tensile strength (N/mm²) 860
Yield strength (N/mm²) 725
Elongation (%) 10
Elastic modulus (N/mm²) 144000

Tolerances & Fittings (Metric)

Min Max Tolerance
Flange Diameter Tolerance--259.5, 260.5
Inside Diameter When Fitted225225.115H9
Recommended Housing Size230230.046H7
Overall Length59.560.5
Shaft Diameter224.878224.95f8

PV Calculation

Values Maximum
Speed
rpm
848.826 rpm
Load
kg
1128440.367 kg
PV Factor
N/A
N/mm² x m/s
9.6 N/mm² x m/s

⚠ Maximum PV Factor is 9.6! Reduce speed or load.

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