8 www.jbj.co.uk/hydraulic-motors.html #DriveLineHarmony LSHT Hydraulic Motors AE3 Series Characteristics Graphs 2 All parameters at u = 32 mm /s; Θ = 40°C; outlet = pressureless Life expectancy-nomogram of drive shaft faceing radial bearing x F r S2 S3 S1 Gap: X = 18mm Speed: n = 2,000 rpm Pressure difference: Δp = 150 bar Given: Radial load: F = 0.75 kN r Wanted: Service life radial bearing. Graph to determine service life of radial bearing: To determine service life of bearing, use radial loadF = 0,75 kNand gapX = 18 mm in order to find intercept r point S1. By usingS1, draw a vertical line to pressure curvesΔp = 150 bar. From this, intercept point S2can be determined. By drawing a horizontal line to speed curven = 2000 rpm, intercept point S3 is found. By drawing a vertical line from S3 to the x-axis, you can determine the service life of the bearing Lh10 by approx. 3,100 hours.
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