520L0635 • Rev EH • June 2009
32
Series 40 Axial Piston Pumps
Technical Information
Shaft options
SHAFT OPTIONS Series 40 pumps are available with a variety of splined, straight keyed, and tapered shaft
ends. Nominal shaft sizes and torque ratings are shown in the table on the next page.
Torque ratings assume no external radial loading. Continuous torque ratings for splined
shafts are based on splined tooth wear, and assume the mating spline has a minimum
hardness of R
c
55 and full spline depth with good lubrication.
Maximum torque ratings are based on shaft torsional strength and assume a maximum
of 200,000 load reversals.
Recommended mating splines for Series 40 splined output shafts should be in
accordance with ANSIB92.1 Class 5. Sauer-Danfoss external splines are modied Class
5 Fillet Root Side Fit. The external splined Major Diameter and Circular Tooth Thickness
dimensions are reduced in order to assure a clearance t with the mating spline. Other
shaft options may exist. Contact your Sauer-Danfoss representative for availability.
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