Imperial BowMet® Flanged Bearings

Part Number: BMFI 08 08

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Details

Inner Diameter0.5
Outer Diameter0.5938
Length0.5
Surface StyleSmooth
Flange Thickness0.0469
Flange Diameter0.812

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 (Imperial)

Min Max Tolerance
Flange Diameter Tolerance0.7920.832
Inside Diameter When Fitted0.50020.5029
Recommended Housing Size0.59350.5941
Overall Length0.470.53
Shaft Diameter0.4990.5

PV Calculation

Values Maximum
Speed
rpm
381971.863 rpm
Load
kg
20.897 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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