Life expectancy-nomogram of control unit faceing radial bearing Life expectancy-nomogram of axial bearing x F r 21 www.jbj.co.uk/hydraulic-motors.html #DriveLineHarmony LSHT Hydraulic Motors AE10 Series Characteristics Graphs 2 All parameters at u = 32 mm /s; Θ = 40°C; outlet = pressureless Graph to determine service life of axial bearing: Speed: n = 2000 rpm Pressure difference: Δp = 200 bar Given: Radial load: F = non-existent Gap: X = non-existent Wanted: Service life radial bearing. 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 =200 bar to speed curven = 2000 rpm. By drawing a vertical line from intercept point S1 to the X-axis, you can determine the service life of the bearingLh10by approx 10,000 hours. Graph to determine service life of radial bearing: Wanted: Service life radial bearing To determine service life of bearing, use radial loadF = 2.0 kNand gapX = 36 mm in order to find intercept point S1. By usingS1, draw r a vertical line to pressure curvesΔp = 200 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 fromS3 to the x-axis, you can determine the service life of the bearingLh10by approx. 11,000 hours. Given: Radial load F = 2.0 kN Pressure difference: Δp = 200 bar Gap: X = 36mm Speed n = 2000 rpm
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