Unit · AXIAL-PISTON PUMP

A A10VSO 45 DFEO/31R-PRA12KB4 -SO273R910990587

Axial piston pump Bosch Rexroth series A10VSO, type code AA10VSO45DFEO/31R-PRA12KB4-SO273, material number R910990587. Nominal size: NG 45. Axial piston unit: swashplate design, variable, nominal pressure 280 bar, maximum pressure 350 bar (A10VS). Operating mode: pump, open circuit (O). Direction of rotation: viewed on drive shaft clockwise (R). Sealing material: NBR (nitrile rubber) only with use of HFA, HFB, HFC hydraulic fluid (P). Drive shaft: splined shaft ISO 3019-1 Similar to shaft "S" however for higher torque (R). Mounting flange: ISO 3019-2 2-hole (A). Working port: SAE flange ports according to ISO 6162, metric fastening thread laterally opposite (12). Through drive: for flange ISO 3019-2 Diameter, 100, 2-hole 1 in 15T 16/32DP (KB4). Special version no. 273.

Number: R910990587
Type code: A A10VSO 45 DFEO/31R-PRA12KB4 -SO273
Group: A10VSO 45
Edition: 06/2020

A A10VSO 45 DFEO/31R-PRA12KB4 -SO273 — Drawing

Pos.	Number	Name	Qty
	R910990531	BASE UNIT Assembly parts list →L	1
	R910947340	INDUCTIVE POS.TRANSDUCER Assembly parts list →L	1
14	R902400578	FLANGE COVER	1
15	R902400586	FLANGE COVER	1
16	R902602011	SEAL SCREW	1
18	R902469009	SEALING COVER Assembly parts list →L	1
19	R902449557	FLANGE COVER	1

Parameters from the type code

Item	Meaning	Code
Axial piston unit	Swashplate design, variable, nominal pressure 280 bar, maximum pressure 350 bar	A10VS
Operating mode	Pump, open circuit	O
Size (NG)	45	45
Series	Series 3, index 1	31
Direction of rotation	Viewed on drive shaft clockwise	R
Sealing material	NBR (nitrile rubber) only with use of HFA, HFB, HFC hydraulic fluid	P
Drive shaft	Splined shaft ISO 3019-1 Similar to shaft "S" however for higher torque	R
Mounting flange	ISO 3019-2 2-hole	A
Working port	SAE flange ports according to ISO 6162, metric fastening thread laterally opposite	12
Through drive	For flange ISO 3019-2 Diameter, 100, 2-hole 1 in 15T 16/32DP	KB4

Other versions 1

R910969029 A A10VSO 45 DFEO/31R-PRA12KB4