Bearing number |
7009 ACD/HCP4A |
Size (mm) |
75x45x16 |
Bore Diameter (mm) |
75 |
Outer Diameter (mm) |
45 |
Width (mm) |
16 |
d |
45 mm |
D |
75 mm |
B |
16 mm |
d1 |
54.2 mm |
d2 |
54.2 mm |
D1 |
65.8 mm |
r1,2 - min. |
1 mm |
r3,4 - min. |
0.3 mm |
a |
22.1 mm |
da - min. |
49.6 mm |
db - min. |
49.6 mm |
Da - max. |
70.4 mm |
Db - max. |
73 mm |
ra - max. |
1 mm |
rb - max. |
0.3 mm |
dn |
56.2 mm |
Basic dynamic load rating - C |
27.6 kN |
Basic static load rating - C0 |
21.6 kN |
Fatigue load limit - Pu |
0.9 kN |
Limiting speed for grease lubrication |
20000 r/min |
Limiting speed for oil lubrication |
32000 mm/min |
Ball - Dw |
9.525 mm |
Ball - z |
17 |
Gref |
3.3 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 |
170 N |
Preload class B - GB |
340 N |
Preload class C - GC |
680 N |
Preload class D - GD |
1360 N |
Calculation factor - f |
1.09 |
Calculation factor - f1 |
0.99 |
Calculation factor - f2A |
1 |
Calculation factor - f2B |
1.02 |
Calculation factor - f2C |
1.05 |
Calculation factor - f2D |
1.08 |
Calculation factor - fHC |
1.02 |
Preload class A |
146 N/micron |
Preload class B |
192 N/micron |
Preload class C |
254 N/micron |
Preload class D |
343 N/micron |
r1,2 min. |
1 mm |
r3,4 min. |
0.3 mm |
da min. |
49.6 mm |
db min. |
49.6 mm |
Da max. |
70.4 mm |
Db max. |
73 mm |
ra max. |
1 mm |
rb max. |
0.3 mm |
Basic dynamic load rating C |
27.6 kN |
Basic static load rating C0 |
21.6 kN |
Fatigue load limit Pu |
0.9 kN |
Attainable speed for grease lubrication |
20000 r/min |
Attainable speed for oil-air lubrication |
32000 r/min |
Ball diameter Dw |
9.525 mm |
Number of balls z |
17 |
Reference grease quantity Gref |
3.3 cm³ |
Preload class A GA |
170 N |
Static axial stiffness, preload class A |
146 N/µm |
Preload class B GB |
340 N |
Static axial stiffness, preload class B |
192 N/µm |
Preload class C GC |
680 N |
Static axial stiffness, preload class C |
254 N/µm |
Preload class D GD |
1360 N |
Static axial stiffness, preload class D |
343 N/µm |
Calculation factor f |
1.09 |
Calculation factor f1 |
0.99 |
Calculation factor f2A |
1 |
Calculation factor f2B |
1.02 |
Calculation factor f2C |
1.05 |
Calculation factor f2D |
1.08 |
Calculation factor fHC |
1.02 |
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 |
0.2 kg |