BOSCH Australia Italy REXROTH 346-056-550-0 RQANS2 - IRA Hydraulic Pump Technical support and service

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BOSCH Australia Italy REXROTH 346-056-550-0 RQANS2 image

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BOSCH Australia Italy REXROTH 346-056-550-0 RQANS2 specification

Bearing number:71904 ACE/HCP4AH
Size (mm):37x20x9
Bore Diameter (mm):37
Outer Diameter (mm):20
Width (mm):9
d:20 mm
D:37 mm
B:9 mm
d1:25.65 mm
d2:24.4 mm
D1:31.49 mm
K:0.5 mm
C1:5.45 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.15 mm
a:11.6 mm
da - min.:22 mm
db - min.:22 mm
Da - max.:35 mm
Db - max.:36.2 mm
ra - max.:0.3 mm
rb - max.:0.15 mm
dn:26.7 mm
Basic dynamic load rating - C:4.7 kN
Basic static load rating - C0:2.3 kN
Fatigue load limit - Pu:0.098 kN
Limiting speed for grease lubrication:60000 r/min
Limiting speed for oil lubrication:95000 mm/min
Ball - Dw:4.762 mm
Ball - z:14
Gref:0.5 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:42 N
Preload class B - GB:130 N
Preload class C - GC:250 N
Calculation factor - f:1.04
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - fHC:1.01
Preload class A:52 N/micron
Preload class B:76 N/micron
Preload class C:98 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.15 mm
da min.:22 mm
db min.:22 mm
Da max.:35 mm
Db max.:36.2 mm
ra max.:0.3 mm
rb max.:0.15 mm
Basic dynamic load rating C:4.68 kN
Basic static load rating C0:2.28 kN
Fatigue load limit Pu:0.098 kN
Attainable speed for grease lubrication:60000 r/min
Attainable speed for oil-air lubrication:95000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:14
Reference grease quantity Gref:0.5 cm³
Preload class A GA:42 N
Static axial stiffness, preload class A:52 N/µm
Preload class B GB:130 N
Static axial stiffness, preload class B:76 N/µm
Preload class C GC:250 N
Static axial stiffness, preload class C:98 N/µm
Calculation factor f:1.04
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
Calculation factor fHC:1.01
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:0.032 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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