3R16-220E1 Rotek Slewing Ring Bearings - AFEX Bearing Equipment Co., Ltd.

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3R16-220E1 Rotek Slewing Ring Bearings image

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3R16-220E1 Rotek Slewing Ring Bearings Details

Bearing number:71906 CD/HCP4A
Size (mm):47x30x9
Bore Diameter (mm):47
Outer Diameter (mm):30
Width (mm):9
d:30 mm
D:47 mm
B:9 mm
d1:35.6 mm
d2:35.6 mm
D1:41.4 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.2 mm
a:9.7 mm
da - min.:32 mm
db - min.:32 mm
Da - max.:45 mm
Db - max.:45.6 mm
ra - max.:0.3 mm
rb - max.:0.2 mm
dn:36.8 mm
Basic dynamic load rating - C:7.2 kN
Basic static load rating - C0:4.6 kN
Fatigue load limit - Pu:0.193 kN
Limiting speed for grease lubrication:38000 r/min
Limiting speed for oil lubrication:53000 mm/min
Ball - Dw:4.762 mm
Ball - z:20
Gref:0.63 cm3
Calculation factor - f0:10.4
Preload class A - GA:25 N
Preload class B - GB:50 N
Preload class C - GC:100 N
Preload class D - GD:200 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.07
Calculation factor - f2C:1.12
Calculation factor - f2D:1.18
Calculation factor - fHC:1.04
Preload class A:29 N/micron
Preload class B:39 N/micron
Preload class C:53 N/micron
Preload class D:74 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.2 mm
da min.:32 mm
db min.:32 mm
Da max.:45 mm
Db max.:45.6 mm
ra max.:0.3 mm
rb max.:0.2 mm
Basic dynamic load rating C:7.15 kN
Basic static load rating C0:4.55 kN
Fatigue load limit Pu:0.193 kN
Attainable speed for grease lubrication:38000 r/min
Attainable speed for oil-air lubrication:53000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:20
Reference grease quantity Gref:0.63 cm³
Preload class A GA:25 N
Static axial stiffness, preload class A:29 N/µm
Preload class B GB:50 N
Static axial stiffness, preload class B:39 N/µm
Preload class C GC:100 N
Static axial stiffness, preload class C:53 N/µm
Preload class D GD:200 N
Static axial stiffness, preload class D:74 N/µm
Calculation factor f:1.08
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.07
Calculation factor f2C:1.12
Calculation factor f2D:1.18
Calculation factor fHC:1.04
Calculation factor f0:10.4
Mass bearing:0.045 kg

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