Imperial BowMet® Flanged Bearings

Part Number: BMFI 28 32

Product Logo

Details

Inner Diameter1.75
Outer Diameter1.9375
Length2
Surface StyleSmooth
Flange Thickness0.09375
Flange Diameter2.375

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 Tolerance2.3552.395
Inside Diameter When Fitted1.75021.7548
Recommended Housing Size1.93711.9381
Overall Length1.972.03
Shaft Diameter1.74841.75

PV Calculation

Values Maximum
Speed
rpm
109134.818 rpm
Load
kg
292.559 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.

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!