Concentric AB-F20/F30 PMP-2011-06 41 Rear Couplings for Thru-Drive Pumps Coupling Spline Data - mm (inches) Internal Involute Spline Flat Root - Side Fit No. of Teeth - 9 Diametral Pitch - 16/32 Pressure Angle - 30° Coupling Spline Data - mm (inches) Internal Involute Splinel Flat Root - Side Fit No. of Teeth - 13 Diametral Pitch - 16/32 Pressure Angle - 30° Coupling Spline Data - mm (inches) Internal Involute Spline Flat Root - Side Fit No. of Teeth - 15 Diametral Pitch - 16/32 Pressure Angle - 30° Coupling Spline Data - mm (inches) Internal Involute Spline Flat Root - Side Fit No. of Teeth - 14 Diametral Pitch - 12/24 Pressure Angle - 30° The customer shaft extension must conform, in all respects, to SAE J744 “Hydraulic Pump Mounting & Drive Dimensions” standards as they apply to external splines. 13.72 (.54) 11.30 (.445) 12.93 (.509) 39.68 (1.562) Dia. .76 (.030) R. 13.72 (.54) 11.30 (.445) 12.93 (.509) 39.68 (1.562) Dia. .76 (.030) R. 13.72 (.54) 11.30 (.445) 12.93 (.509) 39.68 (1.562) Dia. .76 (.030) R. 16.76 (.66) (Ref.) 11.76 (.463) 13.49 (.531) Coupling From Mounting Face 48.41 (1.906) Dia. .76 (.030) R. SAE “A” SIZE COUPLING SAE “B” SIZE COUPLING SAE “B-B” SIZE COUPLING SAE “C” SIZE COUPLING quality products for mechanical & fluid power ~ jbj Techniques Limited, www.jbj.co.uk UK distributor for Concentric Hydraulics
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