Imperial Oilite Plain Bearings

Part Number: AI 18 20 20

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Details

Inner Diameter1.125
Outer Diameter1.25
Length1.25

Material Specification

Structure Oil impregrated sintered bronze*
Max PV (N/mm² x m/s) 1.8
Max Static load (N/mm²) 50
Max Dynamic load (N/mm²) 14
Max Sliding speed (m/s) 5
Operating temperature (°C) -60 to 200*
*dependant on lubrication
Density (g/cm³) 6.6
Radial crushing strength (K Min M/mm²) 160

Tolerances & Fittings (Imperial)

Min Max Tolerance
Inside Diameter1.12351.1245
Outside Diameter1.25251.2535
Overall Length1.2451.255
Concentricity Max-0.003

PV Calculation

Values Maximum
Speed
rpm
84882.636 rpm
Load
kg
7.167 kg
PV Factor
N/A
N/mm² x m/s
1.8 N/mm² x m/s

⚠ Maximum PV Factor is 1.8! Reduce speed or load.

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