Bearing number |
7219 ACD/HCP4A |
Size (mm) |
170x95x32 |
Bore Diameter (mm) |
170 |
Outer Diameter (mm) |
95 |
Width (mm) |
32 |
d |
95 mm |
D |
170 mm |
B |
32 mm |
d1 |
118.1 mm |
d2 |
118.1 mm |
D1 |
146.9 mm |
r1,2 - min. |
2.1 mm |
r3,4 - min. |
1.1 mm |
a |
47.1 mm |
da - min. |
107 mm |
db - min. |
107 mm |
Da - max. |
158 mm |
Db - max. |
163 mm |
ra - max. |
2 mm |
rb - max. |
1 mm |
dn |
124.4 mm |
Basic dynamic load rating - C |
133 kN |
Basic static load rating - C0 |
114 kN |
Fatigue load limit - Pu |
4.2 kN |
Limiting speed for grease lubrication |
8500 r/min |
Limiting speed for oil lubrication |
14000 mm/min |
Ball - Dw |
23.812 mm |
Ball - z |
15 |
Gref |
34.314 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 |
850 N |
Preload class B - GB |
1700 N |
Preload class C - GC |
3400 N |
Preload class D - GD |
6800 N |
Calculation factor - f |
1.09 |
Calculation factor - f1 |
0.99 |
Calculation factor - f2A |
1 |
Calculation factor - f2B |
1.01 |
Calculation factor - f2C |
1.03 |
Calculation factor - f2D |
1.06 |
Calculation factor - fHC |
1.01 |
Preload class A |
310 N/micron |
Preload class B |
405 N/micron |
Preload class C |
535 N/micron |
Preload class D |
721 N/micron |
r1,2 min. |
2.1 mm |
r3,4 min. |
1.1 mm |
da min. |
107 mm |
db min. |
107 mm |
Da max. |
158 mm |
Db max. |
163 mm |
ra max. |
2 mm |
rb max. |
1 mm |
Basic dynamic load rating C |
133 kN |
Basic static load rating C0 |
114 kN |
Fatigue load limit Pu |
4.25 kN |
Attainable speed for grease lubrication |
8500 r/min |
Attainable speed for oil-air lubrication |
14000 r/min |
Ball diameter Dw |
23.812 mm |
Number of balls z |
15 |
Reference grease quantity Gref |
34.314 cm³ |
Preload class A GA |
850 N |
Static axial stiffness, preload class A |
310 N/µm |
Preload class B GB |
1700 N |
Static axial stiffness, preload class B |
405 N/µm |
Preload class C GC |
3400 N |
Static axial stiffness, preload class C |
535 N/µm |
Preload class D GD |
6800 N |
Static axial stiffness, preload class D |
721 N/µm |
Calculation factor f |
1.09 |
Calculation factor f1 |
0.99 |
Calculation factor f2A |
1 |
Calculation factor f2B |
1.01 |
Calculation factor f2C |
1.03 |
Calculation factor f2D |
1.06 |
Calculation factor fHC |
1.01 |
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 |
2.2 kg |