VICKERS 255640 HYDRAULIC CONTROL Origin IN BOX - IRA Hydraulic Pump Technical support and service

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VICKERS 255640 HYDRAULIC CONTROL Origin IN BOX image

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VICKERS 255640 HYDRAULIC CONTROL Origin IN BOX Codes and sizes

Bearing number:719/9 CE/P4A
Size (mm):20x9x6
Bore Diameter (mm):20
Outer Diameter (mm):9
Width (mm):6
d:9 mm
D:20 mm
B:6 mm
d1:12.5 mm
d2:11.76 mm
D1:16.52 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.15 mm
a:5.2 mm
da - min.:11 mm
db - min.:11 mm
Da - max.:18 mm
Db - max.:19.2 mm
ra - max.:0.3 mm
rb - max.:0.15 mm
dn:13.3 mm
Basic dynamic load rating - C:2 kN
Basic static load rating - C0:0.8 kN
Fatigue load limit - Pu:0.034 kN
Limiting speed for grease lubrication:109000 r/min
Limiting speed for oil lubrication:165000 mm/min
Ball - Dw:3.175 mm
Ball - z:11
Gref:0.09 cm3
Calculation factor - f0:7.4
Preload class A - GA:11 N
Preload class B - GB:32 N
Preload class C - GC:64 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - fHC:1
Preload class A:10 N/micron
Preload class B:16 N/micron
Preload class C:21 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.15 mm
da min.:11 mm
db min.:11 mm
Da max.:18 mm
Db max.:19.2 mm
ra max.:0.3 mm
rb max.:0.15 mm
Basic dynamic load rating C:2.03 kN
Basic static load rating C0:0.8 kN
Fatigue load limit Pu:0.034 kN
Attainable speed for grease lubrication:109000 r/min
Attainable speed for oil-air lubrication:165000 r/min
Ball diameter Dw:3.175 mm
Number of balls z:11
Reference grease quantity Gref:0.09 cm³
Preload class A GA:11 N
Static axial stiffness, preload class A:10 N/µm
Preload class B GB:32 N
Static axial stiffness, preload class B:16 N/µm
Preload class C GC:64 N
Static axial stiffness, preload class C:21 N/µm
Calculation factor f:1.03
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
Calculation factor fHC:1
Calculation factor f0:7.4
Mass bearing:0.008 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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