230.20.0500.503 Type 21/650. Standard 5 Slewing Ring Bearings

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230.20.0500.503 Type 21/650. Standard 5 Slewing Ring Bearings image

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230.20.0500.503 Type 21/650. Standard 5 Slewing Ring Bearings Details

Bearing number:71930 CD/P4AL
Size (mm):210x150x28
Bore Diameter (mm):210
Outer Diameter (mm):150
Width (mm):28
d:150 mm
D:210 mm
B:28 mm
d1:168.5 mm
d2:168.5 mm
D1:191.5 mm
b:2.6 mm
C1:15.6 mm
C2:6.6 mm
C3:5.6 mm
r1,2 - min.:2 mm
r3,4 - min.:1 mm
a:38.2 mm
da - min.:159 mm
db - min.:159 mm
Da - max.:201 mm
Db - max.:205 mm
ra - max.:2 mm
rb - max.:1 mm
dn:173.5 mm
Basic dynamic load rating - C:125 kN
Basic static load rating - C0:146 kN
Fatigue load limit - Pu:4.8 kN
Limiting speed for grease lubrication:6300 r/min
Limiting speed for oil lubrication:9500 mm/min
Ball - Dw:19.05 mm
Ball - z:26
Gref:33 cm3
Calculation factor - f0:16.2
Preload class A - GA:470 N
Preload class B - GB:940 N
Preload class C - GC:1880 N
Preload class D - GD:3760 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.09
Calculation factor - f2D:1.15
Calculation factor - fHC:1
Preload class A:154 N/micron
Preload class B:211 N/micron
Preload class C:297 N/micron
Preload class D:435 N/micron
r1,2 min.:2 mm
r3,4 min.:1 mm
da min.:159 mm
db min.:159 mm
Da max.:201 mm
Db max.:205 mm
ra max.:2 mm
rb max.:1 mm
Basic dynamic load rating C:114 kN
Basic static load rating C0:132 kN
Fatigue load limit Pu:4.15 kN
Attainable speed for grease lubrication:6300 r/min
Attainable speed for oil-air lubrication:9500 r/min
Ball diameter Dw:19.05 mm
Number of balls z:23
Reference grease quantity Gref:35 cm³
Preload class A GA:470 N
Static axial stiffness, preload class A:142 N/µm
Preload class B GB:940 N
Static axial stiffness, preload class B:195 N/µm
Preload class C GC:1880 N
Static axial stiffness, preload class C:276 N/µm
Preload class D GD:3760 N
Static axial stiffness, preload class D:405 N/µm
Calculation factor f:1.24
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.09
Calculation factor f2D:1.15
Calculation factor fHC:1
Calculation factor f0:16.2
Mass bearing:2.5 kg

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230.20.0500.503 Type 21/650. Standard 5 Slewing Ring Bearings Details

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LY　MANUFACTURING CO.,LTD.