GEZ88ES Inch Spherical Plain Coal Winning Machine Bearing 88.9x139.7x77.775mm

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GEZ88ES Inch Spherical Plain Coal Winning Machine Bearing 88.9x139.7x77.775mm image

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GEZ88ES Inch Spherical Plain Coal Winning Machine Bearing 88.9x139.7x77.775mm Details

Bearing number:71906 CE/P4AL
Size (mm):47x30x9
Bore Diameter (mm):47
Outer Diameter (mm):30
Width (mm):9
d:30 mm
D:47 mm
B:9 mm
d1:35.8 mm
d2:34.4 mm
D1:41.39 mm
b:1.5 mm
C1:4.6 mm
C2:1.4 mm
C3:0.9 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.15 mm
a:10.1 mm
da - min.:32 mm
db - min.:32 mm
Da - max.:45 mm
Db - max.:46.2 mm
ra - max.:0.3 mm
rb - max.:0.15 mm
dn:36.8 mm
Basic dynamic load rating - C:5.6 kN
Basic static load rating - C0:3.2 kN
Fatigue load limit - Pu:0.14 kN
Limiting speed for grease lubrication:41000 r/min
Limiting speed for oil lubrication:63000 mm/min
Ball - Dw:4.762 mm
Ball - z:18
Gref:0.6 cm3
Calculation factor - f0:8.3
Preload class A - GA:30 N
Preload class B - GB:90 N
Preload class C - GC:180 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:23 N/micron
Preload class B:35 N/micron
Preload class C:49 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.15 mm
da min.:32 mm
db min.:32 mm
Da max.:45 mm
Db max.:46.2 mm
ra max.:0.3 mm
rb max.:0.15 mm
Basic dynamic load rating C:5.59 kN
Basic static load rating C0:3.25 kN
Fatigue load limit Pu:0.14 kN
Attainable speed for grease lubrication:41000 r/min
Attainable speed for oil-air lubrication:63000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:18
Reference grease quantity Gref:0.6 cm³
Preload class A GA:30 N
Static axial stiffness, preload class A:23 N/µm
Preload class B GB:90 N
Static axial stiffness, preload class B:35 N/µm
Preload class C GC:180 N
Static axial stiffness, preload class C:49 N/µm
Calculation factor f:1.08
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
Calculation factor fHC:1
Calculation factor f0:8.3
Mass bearing:0.05 kg

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Pioneer Machinery Source: Email[email protected]; Address13 Tuas Road Distributor Service Singapore 638512; Phone(Working Time)0065 82577418; Fax0065 82577552

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GEZ88ES Inch Spherical Plain Coal Winning Machine Bearing 88.9x139.7x77.775mm Details

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