Sundstrand-Sauer-Danfoss Hydraulic Series 25 Pump DD - IRA Hydraulic Pump Technical support and service

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Home>Products>Sauer Danfoss>Sundstrand-Sauer-Danfoss Hydraulic Series 25 Pump DD image

Sundstrand-Sauer-Danfoss Hydraulic Series 25 Pump DD image

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Sauer Danfoss Specification details

Bearing number:728 ACD/P4A
Size (mm):8x24x8
Bore Diameter (mm):8
Outer Diameter (mm):24
Width (mm):8
d:8 mm
D:24 mm
B:8 mm
d1:13.1 mm
d2:13.1 mm
D1:18.9 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.2 mm
a:7.8 mm
da - min.:10.4 mm
db - min.:10.4 mm
Da - max.:21.6 mm
Db - max.:22.2 mm
ra - max.:0.3 mm
rb - max.:0.2 mm
dn:14.3 mm
Basic dynamic load rating - C:3.6 kN
Basic static load rating - C0:1.3 kN
Fatigue load limit - Pu:0.057 kN
Limiting speed for grease lubrication:67000 r/min
Limiting speed for oil lubrication:100000 mm/min
Ball - Dw:4.762 mm
Ball - z:8
Gref:0.228 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:22 N
Preload class B - GB:44 N
Preload class C - GC:88 N
Preload class D - GD:176 N
Calculation factor - f:1.02
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.02
Calculation factor - f2D:1.05
Calculation factor - fHC:1
Preload class A:28 N/micron
Preload class B:36 N/micron
Preload class C:48 N/micron
Preload class D:63 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.2 mm
da min.:10.4 mm
db min.:10.4 mm
Da max.:21.6 mm
Db max.:22.2 mm
ra max.:0.3 mm
rb max.:0.2 mm
Basic dynamic load rating C:3.58 kN
Basic static load rating C0:1.34 kN
Fatigue load limit Pu:0.057 kN
Attainable speed for grease lubrication:67000 r/min
Attainable speed for oil-air lubrication:100000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:8
Reference grease quantity Gref:0.228 cm³
Preload class A GA:22 N
Static axial stiffness, preload class A:28 N/µm
Preload class B GB:44 N
Static axial stiffness, preload class B:36 N/µm
Preload class C GC:88 N
Static axial stiffness, preload class C:48 N/µm
Preload class D GD:176 N
Static axial stiffness, preload class D:63 N/µm
Calculation factor f:1.02
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.02
Calculation factor f2D:1.05
Calculation factor fHC:1
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:0.017 kg

IRA Hydraulic Pump Technical support and service specialize in the operation of a variety of well-known brands of pumps, valves and spare parts.
such as Rexroth,Yuken,Daikin,Vickers,Dension,Parker,Sumitomo,Tokimec,Nachi,Atos,Komatsu,Kawaski etc.
The following is our comprehensive range:
1.Pistion pump
2.Vane Pump
3.Oil pump
4.Gear pump
If you have any inquiries,please ask me frankly.

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IRA Hydraulic Pump Technical support and service: AddressNo.1875 East Changjiang Road, New District, Wuxi, Jiangsu,China; Phone(Working Time)86-510-85310167; Fax

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