komatsu 705-17-39010 box Size Chart (mm/inches) |
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Bearing number | 7012 CD/P4AL |
Size (mm) | 95x60x18 |
Bore Diameter (mm) | 95 |
Outer Diameter (mm) | 60 |
Width (mm) | 18 |
d | 60 mm |
D | 95 mm |
B | 18 mm |
d1 | 70.8 mm |
d2 | 70.8 mm |
D1 | 84.2 mm |
b | 2.6 mm |
C1 | 9 mm |
C2 | 4.3 mm |
C3 | 3.8 mm |
r1,2 - min. | 1.1 mm |
r3,4 - min. | 0.6 mm |
a | 19.4 mm |
da - min. | 66 mm |
db - min. | 66 mm |
Da - max. | 89 mm |
Db - max. | 91.8 mm |
ra - max. | 1 mm |
rb - max. | 0.6 mm |
dn | 73.1 mm |
Basic dynamic load rating - C | 40.3 kN |
Basic static load rating - C0 | 34.5 kN |
Fatigue load limit - Pu | 1.5 kN |
Limiting speed for grease lubrication | 14000 r/min |
Limiting speed for oil lubrication | 22000 mm/min |
Ball - Dw | 11.112 mm |
Ball - z | 19 |
Gref | 5.4 cm3 |
Calculation factor - f0 | 15.4 |
Preload class A - GA | 150 N |
Preload class B - GB | 300 N |
Preload class C - GC | 600 N |
Preload class D - GD | 1200 N |
Calculation factor - f | 1.12 |
Calculation factor - f | 1 |
Calculation factor - f2A | 1 |
Calculation factor - f2B | 1.02 |
Calculation factor - f2C | 1.05 |
Calculation factor - f2D | 1.09 |
Calculation factor - fHC | 1 |
Preload class A | 70 N/micron |
Preload class B | 95 N/micron |
Preload class C | 133 N/micron |
Preload class D | 193 N/micron |
d1 | 70.8 mm |
d2 | 70.8 mm |
D1 | 84.2 mm |
C1 | 9 mm |
C2 | 4.3 mm |
C3 | 3.8 mm |
r1,2 min. | 1.1 mm |
r3,4 min. | 0.6 mm |
da min. | 66 mm |
db min. | 66 mm |
Da max. | 89 mm |
Db max. | 91.8 mm |
ra max. | 1 mm |
rb max. | 0.6 mm |
dn | 73.1 mm |
Basic dynamic load rating C | 40.3 kN |
Basic static load rating C0 | 34.5 kN |
Fatigue load limit Pu | 1.5 kN |
Attainable speed for grease lubrication | 14000 r/min |
Attainable speed for oil-air lubrication | 22000 r/min |
Ball diameter Dw | 11.112 mm |
Number of balls z | 19 |
Reference grease quantity Gref | 5.4 cm³ |
Preload class A GA | 150 N |
Static axial stiffness, preload class A | 70 N/µm |
Preload class B GB | 300 N |
Static axial stiffness, preload class B | 95 N/µm |
Preload class C GC | 600 N |
Static axial stiffness, preload class C | 133 N/µm |
Preload class D GD | 1200 N |
Static axial stiffness, preload class D | 193 N/µm |
Calculation factor f | 1.12 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.02 |
Calculation factor f2C | 1.05 |
Calculation factor f2D | 1.09 |
Calculation factor fHC | 1 |
Calculation factor f0 | 15.4 |
Mass bearing | 0.4 kg |