232.21.0775.013 Type 21/850.2 Standard 5 Slewing Ring Bearings

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232.21.0775.013 Type 21/850.2 Standard 5 Slewing Ring Bearings image

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232.21.0775.013 Type 21/850.2 Standard 5 Slewing Ring Bearings Details

Bearing number:7008 ACB/P4A
Size (mm):68x40x15
Bore Diameter (mm):68
Outer Diameter (mm):40
Width (mm):15
d:40 mm
D:68 mm
B:15 mm
d1:50.95 mm
d2:49.87 mm
D2:58.88 mm
r1,2 - min.:1 mm
r3,4 - min.:0.6 mm
a:20.2 mm
da - min.:44.6 mm
db - min.:44.6 mm
Da - max.:63.4 mm
Db - max.:64.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:51.6 mm
Basic dynamic load rating - C:6.9 kN
Basic static load rating - C0:5.3 kN
Fatigue load limit - Pu:0.224 kN
Limiting speed for grease lubrication:26000 r/min
Limiting speed for oil lubrication:40000 mm/min
Ball - Dw:4.762 mm
Ball - z:26
Gref:2.22 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:41 N
Preload class B - GB:82 N
Preload class C - GC:245 N
Calculation factor - f:1.04
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.04
Calculation factor - fHC:1
Preload class A:71 N/micron
Preload class B:92 N/micron
Preload class C:138 N/micron
r1,2 min.:1 mm
r3,4 min.:0.6 mm
da min.:44.6 mm
db min.:44.6 mm
Da max.:63.4 mm
Db max.:64.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:9.36 kN
Basic static load rating C0:8.65 kN
Fatigue load limit Pu:0.224 kN
Attainable speed for grease lubrication:26000 r/min
Attainable speed for oil-air lubrication:40000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:26
Reference grease quantity Gref:2.22 cm³
Preload class A GA:41 N
Static axial stiffness, preload class A:71 N/µm
Preload class B GB:82 N
Static axial stiffness, preload class B:92 N/µm
Preload class C GC:245 N
Static axial stiffness, preload class C:138 N/µm
Calculation factor f:1.04
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.04
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:0.21 kg

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232.21.0775.013 Type 21/850.2 Standard 5 Slewing Ring Bearings Details

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