Life expectancy-nomogram of control unit faceing radial bearing Life expectancy-nomogram of axial bearing x F r 37 www.jbj.co.uk/hydraulic-motors.html #DriveLineHarmony LSHT Hydraulic Motors AE40 Series Characteristics Graphs 2 All parameters at u = 32 mm /s; Θ = 40°C; outlet = pressureless Graph to determine service life of axial bearing: Gap: X = non-existent Pressure difference: Δp = 150 bar Axial bearings are not able to receive any radial force. In order to determine service life of bearing, draw a horizontal line from the Y-axis Δp =150 bar to speed curven = 200 rpm. By drawing a vertical line from intercept point S1 to the X-axis, you can determine the service life of the bearingLh10by approx 14,500 hours. Speed: n = 200 rpm Given: Radial load: F = non-existent Wanted: Service life radial bearing. Gap: X = 15mm Given: Radial load F = 7.0 kN Speed n = 200 rpm Wanted: Service life radial bearing To determine service life of bearing, use radial loadF = 7.0 kNand gapX = 15 mm in order to find intercept point S1. By usingS1, draw r a vertical line to pressure curvesΔp = 150 bar. From this, intercept point S2can be determined. By drawing a horizontal line to speed curven = 200 rpm, intercept point S3 is found. By drawing a vertical line fromS3 to the x-axis, you can determine the service life of the bearingLh10by approx. 84,000 hours. Pressure difference: Δp = 150 bar Graph to determine service life of radial bearing:
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