Komatsu PC120-5 Excavator Slewing Bearing 873*1111*75mm - Industrial Bearings Solutions

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Komatsu PC120-5 Excavator Slewing Bearing 873*1111*75mm image

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Komatsu PC120-5 Excavator Slewing Bearing 873111175mm Systems

d:40 mm
D:68 mm
B:15 mm
d1:49.7 mm
d2:47.6 mm
D1:58.25 mm
r1,2 min.:1 mm
r3,4 min.:0.6 mm
a:20.3 mm
da min.:44.6 mm
db min.:44.6 mm
Da max.:63.4 mm
Db max.:63.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:11.7 kN
Basic static load rating C0:7.2 kN
Fatigue load limit Pu:0.305 kN
Attainable speed for grease lubrication:27000 r/min
Ball diameter Dw:7.144 mm
Number of balls z:19
Reference grease quantity Gref:2.8 cm³
Preload class A GA:105 N
Static axial stiffness, preload class A:87 N/µm
Preload class B GB:310 N
Static axial stiffness, preload class B:129 N/µm
Preload class C GC:630 N
Static axial stiffness, preload class C:169 N/µm
Calculation factor f:1.06
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.03
Calculation factor f2C:1.06
Calculation factor fHC:1
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Mass bearing:0.19 kg

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