A2FO Rexroth Axial Piston Fixed Pump

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A2FO Rexroth Axial Piston Fixed Pump

A2FO piston pump size:5/10/12/16/23/28/32/45/56/63/80/90/107/125/160

/180/200/250/355/500/710/1000

10 to 200 Nominal pressure/Maximum pressure:400/450 bar

250 to 1000 Nominal pressure/Maximum pressure:350/400 bar

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A2FO Rexroth Axial Piston Fixed Pump

Characteristic

The A2FO piston pump adopts an axially tapered piston rotor group and an oblique shaft design, and is specially designed for open hydrostatic transmission. Its versatility makes it suitable for both mobile machinery and stationary applications. The pump’s flow rate is proportional to drive speed and displacement, ensuring efficient performance under a wide range of operating conditions. Driveshaft bearings are engineered to meet the demanding bearing life requirements common in these industries.

As for the A2FO piston pump, it has an impressive list of features, including high power density, compact size and excellent overall efficiency. Its economical design makes it a cost-effective choice for hydraulic systems. The integrated tapered plunger and sealed plunger ring ensure reliable and consistent operation, even under challenging conditions.

Parameter

Size		NG		5	10	12	16	23	28	32	45	56	63	80
Displacement geometric, per revolution		V_g	cm3	4.93	10.3	12	16	22.9	28.1	32	45.6	56.1	63	80.4
Speed maximum1)		nnom	rpm	5600	3150	3150	3150	2500	2500	2500	2240	2000	2000	1800
		n 2)	rpm	8000	6000	6000	6000	4750	4750	4750	4250	3750	3750	3350
		max	rpm	8000	6000	6000	6000	4750	4750	4750	4250	3750	3750	3350
Flow at n_nom		q_V	L/min	27.6	32	38	50	57	70	80	102	112	126	145
Power at	Dp = 350 bar	P	kW	14.5	19	22	29	33	41	47	60	65	74	84
Power at	Dp = 400 bar	P	kW	–	22	25	34	38	47	53	68	75	84	96
Torque3)	Dp = 350 bar	T	Nm	24.74)	57	67	89	128	157	178	254	313	351	448
at V_g and	Dp = 400 bar	T	Nm	–	66	76	102	146	179	204	290	357	401	512
Rotary stiffness		c	kNm/rad	0.63	0.92	1.25	1.59	2.56	2.93	3.12	4.18	5.94	6.25	8.73
Moment of inertia for rotary group		JGR	kgm2	0.00006 0.0004		0.0004	0.0004	0.0012	0.0012	0.0012	0.0024	0.0042	0.0042	0.0072
Maximum angular acceleration		a	rad/s2	5000	5000	5000	5000	6500	6500	6500	14600	7500	7500	6000
Case volume		V	L	0.17		0.17	0.17	0.2	0.2	0.2	0.33	0.45	0.45	0.55
Mass (approx.)		m	kg	2.5	6	6	6	9.5	9.5	9.5	13.5	18	18	23

Size		NG		90	107	125	160	180	200	250	355	500	710	1000
Displacement geometric, per revolution		V_g	cm3	90	106.7	125	160.4	180	200	250	355	500	710	1000
Speed maximum1)		nnom	rpm	1800	1600	1600	1450	1450	1550	1500	1320	1200	1200	950
		n 2)	rpm	3350	3000	3000	2650	2650	2750	1800	1600	1500	1500	1200
		max	rpm	3350	3000	3000	2650	2650	2750	1800	1600	1500	1500	1200
Flow at n_nom		q_V	L/min	162	171	200	233	261	310	375	469	600	852	950
Power at	Dp = 350 bar	P	kW	95	100	117	136	152	181	219	273	350	497	554
Power at	Dp = 400 bar	P	kW	108	114	133	155	174	207	–	–	–	–	–
Torque3)	Dp = 350 bar	T	Nm	501	594	696	893	1003	1114	1393	1978	2785	3955	5570
at V_g and	Dp = 400 bar	T	Nm	573	679	796	1021	1146	1273	–	–	–	–	–
Rotary stiffness		c	kNm/rad	9.14	11.2	11.9	17.4	18.2	57.3	73.1	96.1	144	270	324
Moment of inertia for rotary group		JGR	kgm2	0.0072	0.0116	0.0116	0.022	0.022	0.0353	0.061	0.102	0,178	0.55	0.55
Maximum angular acceleration		a	rad/s2	6000	4500	4500	3500	3500	11000	10000	8300	5500	4300	4500
Case volume		V	L	0.55	0.8	0.8	1.1	1.1	2.7	2.5	3.5	4.2	8	8
Mass (approx.)		m	kg	23	32	32	45	45	66	73	110	155	325	336

Dimension

Rexroth A2FO hydraulic pumps have nominal pressure capabilities up to 400 bar and maximum rated pressures up to 450 bar. Flow is proportional to drive speed and displacement, ensuring adaptable performance in a variety of operating scenarios. Work ports are compatible with SAE flange or threaded connections, providing installation flexibility.

A2FO piston pumps offer high power density and compact size without compromising overall efficiency. The one-piece tapered piston is equipped with sealed piston rings to ensure robustness and longevity, thus extending service life.

The wide range of available nominal sizes allows precise customization to meet specific application requirements. Optional long-life bearings are available for pump sizes from 250 to 1000 cc/rev, further extending durability and reliability in demanding environments.

More Models

Only some A2FO piston pump product models are displayed. If you don’t see what you need, please contact POOCCA.

REXROTH R900835352	REXROTH R900833959	REXROTH R900835808	REXROTH R900835572	REXROTH R900835425	REXROTH R900843802
REXROTH R900835350	REXROTH R900833953	REXROTH R900835867	REXROTH R900835567	REXROTH R900835416	REXROTH R900843815
REXROTH R900833990	REXROTH R900833948	REXROTH R900835886	REXROTH R900835556	REXROTH R900835415	REXROTH R900835921
REXROTH R900833988	REXROTH R900833944	REXROTH R900835890	REXROTH R900835550	REXROTH R900835410	REXROTH R920044943
REXROTH R900833967	REXROTH R900833941	REXROTH R900835754	REXROTH R900835540	REXROTH R900835405	REXROTH R901433642
REXROTH R900835350	REXROTH R900833822	REXROTH R900835744	REXROTH R900835535	REXROTH R900835369	REXROTH R901423456
REXROTH R900833990	REXROTH R900833799	REXROTH R900835734	REXROTH R900835442	REXROTH R900835366	REXROTH R901429132
REXROTH R900833988	REXROTH R900833793	REXROTH R900835729	REXROTH R900835436	REXROTH R900835362	REXROTH R901429127
REXROTH R900833967	REXROTH R900833789	REXROTH R900835590	REXROTH R900835435	REXROTH R900835359
REXROTH R900833960	REXROTH R900835755	REXROTH R900835578	REXROTH R900835429	REXROTH R900835911

A2FO Rexroth Axial Piston Fixed Pump

A2FO piston pump size:5/10/12/16/23/28/32/45/56/63/80/90/107/125/160 /180/200/250/355/500/710/1000 10 to 200 Nominal pressure/Maximum pressure:400/450 bar 250 to 1000 Nominal pressure/Maximum pressure:350/400 bar

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Characteristic

Parameter

Size		NG		5	10	12	16	23	28	32	45	56	63	80
Displacement geometric, per revolution		V_g	cm3	4.93	10.3	12	16	22.9	28.1	32	45.6	56.1	63	80.4
Speed maximum1)		nnom	rpm	5600	3150	3150	3150	2500	2500	2500	2240	2000	2000	1800
		n 2)	rpm	8000	6000	6000	6000	4750	4750	4750	4250	3750	3750	3350
		max	rpm	8000	6000	6000	6000	4750	4750	4750	4250	3750	3750	3350
Flow at n_nom		q_V	L/min	27.6	32	38	50	57	70	80	102	112	126	145
Power at	Dp = 350 bar	P	kW	14.5	19	22	29	33	41	47	60	65	74	84
Power at	Dp = 400 bar	P	kW	–	22	25	34	38	47	53	68	75	84	96
Torque3)	Dp = 350 bar	T	Nm	24.74)	57	67	89	128	157	178	254	313	351	448
at V_g and	Dp = 400 bar	T	Nm	–	66	76	102	146	179	204	290	357	401	512
Rotary stiffness		c	kNm/rad	0.63	0.92	1.25	1.59	2.56	2.93	3.12	4.18	5.94	6.25	8.73
Moment of inertia for rotary group		JGR	kgm2	0.00006 0.0004		0.0004	0.0004	0.0012	0.0012	0.0012	0.0024	0.0042	0.0042	0.0072
Maximum angular acceleration		a	rad/s2	5000	5000	5000	5000	6500	6500	6500	14600	7500	7500	6000
Case volume		V	L	0.17		0.17	0.17	0.2	0.2	0.2	0.33	0.45	0.45	0.55
Mass (approx.)		m	kg	2.5	6	6	6	9.5	9.5	9.5	13.5	18	18	23

Size		NG		90	107	125	160	180	200	250	355	500	710	1000
Displacement geometric, per revolution		V_g	cm3	90	106.7	125	160.4	180	200	250	355	500	710	1000
Speed maximum1)		nnom	rpm	1800	1600	1600	1450	1450	1550	1500	1320	1200	1200	950
		n 2)	rpm	3350	3000	3000	2650	2650	2750	1800	1600	1500	1500	1200
		max	rpm	3350	3000	3000	2650	2650	2750	1800	1600	1500	1500	1200
Flow at n_nom		q_V	L/min	162	171	200	233	261	310	375	469	600	852	950
Power at	Dp = 350 bar	P	kW	95	100	117	136	152	181	219	273	350	497	554
Power at	Dp = 400 bar	P	kW	108	114	133	155	174	207	–	–	–	–	–
Torque3)	Dp = 350 bar	T	Nm	501	594	696	893	1003	1114	1393	1978	2785	3955	5570
at V_g and	Dp = 400 bar	T	Nm	573	679	796	1021	1146	1273	–	–	–	–	–
Rotary stiffness		c	kNm/rad	9.14	11.2	11.9	17.4	18.2	57.3	73.1	96.1	144	270	324
Moment of inertia for rotary group		JGR	kgm2	0.0072	0.0116	0.0116	0.022	0.022	0.0353	0.061	0.102	0,178	0.55	0.55
Maximum angular acceleration		a	rad/s2	6000	4500	4500	3500	3500	11000	10000	8300	5500	4300	4500
Case volume		V	L	0.55	0.8	0.8	1.1	1.1	2.7	2.5	3.5	4.2	8	8
Mass (approx.)		m	kg	23	32	32	45	45	66	73	110	155	325	336

Dimension

More Models

Only some A2FO piston pump product models are displayed. If you don’t see what you need, please contact POOCCA.

REXROTH R900835352	REXROTH R900833959	REXROTH R900835808	REXROTH R900835572	REXROTH R900835425	REXROTH R900843802
REXROTH R900835350	REXROTH R900833953	REXROTH R900835867	REXROTH R900835567	REXROTH R900835416	REXROTH R900843815
REXROTH R900833990	REXROTH R900833948	REXROTH R900835886	REXROTH R900835556	REXROTH R900835415	REXROTH R900835921
REXROTH R900833988	REXROTH R900833944	REXROTH R900835890	REXROTH R900835550	REXROTH R900835410	REXROTH R920044943
REXROTH R900833967	REXROTH R900833941	REXROTH R900835754	REXROTH R900835540	REXROTH R900835405	REXROTH R901433642
REXROTH R900835350	REXROTH R900833822	REXROTH R900835744	REXROTH R900835535	REXROTH R900835369	REXROTH R901423456
REXROTH R900833990	REXROTH R900833799	REXROTH R900835734	REXROTH R900835442	REXROTH R900835366	REXROTH R901429132
REXROTH R900833988	REXROTH R900833793	REXROTH R900835729	REXROTH R900835436	REXROTH R900835362	REXROTH R901429127
REXROTH R900833967	REXROTH R900833789	REXROTH R900835590	REXROTH R900835435	REXROTH R900835359
REXROTH R900833960	REXROTH R900835755	REXROTH R900835578	REXROTH R900835429	REXROTH R900835911