Bearing number |
7213 ACD/HCP4A |
Size (mm) |
65x120x23 |
Bore Diameter (mm) |
65 |
Outer Diameter (mm) |
120 |
Width (mm) |
23 |
d |
65 mm |
D |
120 mm |
B |
23 mm |
C |
23 mm |
d1 |
82.9 mm |
d2 |
82.9 mm |
r1 min. |
1,5 mm |
r2 min. |
1,5 mm |
r3 min. |
0,6 mm |
r4 min. |
0,6 mm |
D1 |
102.1 mm |
D2 |
105,3 mm |
da min. |
74 mm |
Da max. |
111 mm |
db min |
74 mm |
ra max. |
1.5 mm |
rb max. |
0.6 mm |
dh |
86,6 mm |
Db max |
115,8 mm |
Weight |
0,88 Kg |
Basic dynamic load rating (C) |
63,7 kN |
Basic static load rating (C0) |
51 kN |
(Grease) Lubrication Speed |
13 000 r/min |
(Oil) Lubrication Speed |
20 000 r/min |
Fatigue load limit (Pu) |
2,2 |
r1,2 min. |
1.5 mm |
r3,4 min. |
0.6 mm |
a |
33.2 mm |
db min. |
74 mm |
Db max. |
115.8 mm |
dn |
86.6 mm |
Basic dynamic load rating C |
63.7 kN |
Basic static load rating C0 |
51 kN |
Fatigue load limit Pu |
2.2 kN |
Attainable speed for grease lubrication |
13000 r/min |
Attainable speed for oil-air lubrication |
20000 r/min |
Ball diameter Dw |
15.875 mm |
Number of balls z |
15 |
Reference grease quantity Gref |
12.471 cm³ |
Preload class A GA |
400 N |
Static axial stiffness, preload class A |
209 N/µm |
Preload class B GB |
800 N |
Static axial stiffness, preload class B |
272 N/µm |
Preload class C GC |
1600 N |
Static axial stiffness, preload class C |
360 N/µm |
Preload class D GD |
3200 N |
Static axial stiffness, preload class D |
485 N/µm |
Calculation factor f |
1.07 |
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 |
0.88 kg |