SKF 71912 CE/P4AH1 angular contact ball bearings
Welcome 300 Bore Diameter (mm) to 300x220x38 Size (mm) the SKF 71912 CE/P4AH1 angular contact ball bearings 220 Outer Diameter (mm) online seller.
Size (mm) | 300x220x38 |
Bore Diameter (mm) | 300 |
Outer Diameter (mm) | 220 |
Width (mm) | 38 |
d | 220 mm |
D | 300 mm |
B | 38 mm |
d1 | 244.7 mm |
d2 | 244.7 mm |
D1 | 275.3 mm |
b | 3.5 mm |
C1 | 20.9 mm |
C2 | 7.1 mm |
C3 | 5.45 mm |
r1,2 – min. | 2.1 mm |
r3,4 – min. | 1 mm |
a | 54 mm |
da – min. | 231 mm |
db – min. | 231 mm |
Da – max. | 289 mm |
Db – max. | 295 mm |
ra – max. | 2 mm |
rb – max. | 1 mm |
dn | 251.4 mm |
Basic dynamic load rating – C | 221 kN |
Basic static load rating – C0 | 300 kN |
Fatigue load limit – Pu | 7.8 kN |
Limiting speed for grease lubrication | 4300 r/min |
Limiting speed for oil lubrication | 6300 mm/min |
Ball – Dw | 25.4 mm |
Ball – z | 29 |
Gref | 84 cm3 |
Calculation factor – f0 | 16.5 |
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 |
Calculation factor – f2A | 1 |
Calculation factor – f2B | 1.04 |
Calculation factor – f2C | 1.09 |
Calculation factor – f2D | 1.15 |
Calculation factor – fHC | 1 |
Preload class A | 224 N/micron |
Preload class B | 306 N/micron |
Preload class C | 434 N/micron |
Preload class D | 635 N/micron |
r1,2 min. | 2.1 mm |
r3,4 min. | 1 mm |
da min. | 231 mm |
db min. | 231 mm |
Da max. | 289 mm |
Db max. | 295 mm |
ra max. | 2 mm |
rb max. | 1 mm |
Basic dynamic load rating C | 221 kN |
Basic static load rating C0 | 300 kN |
Fatigue load limit Pu | 7.8 kN |
Attainable speed for grease lubrication | 4300 r/min |
Attainable speed for oil-air lubrication | 6300 r/min |
Ball diameter Dw | 25.4 mm |
Number of balls z | 29 |
Reference grease quantity Gref | 84 cm³ |
Preload class A GA | 850 N |
Static axial stiffness, preload class A | 224 N/µm |
Preload class B GB | 1700 N |
Static axial stiffness, preload class B | 306 N/µm |
Preload class C GC | 3400 N |
Static axial stiffness, preload class C | 434 N/µm |
Preload class D GD | 6800 N |
Static axial stiffness, preload class D | 635 N/µm |
Calculation factor f | 1.28 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.04 |
Calculation factor f2C | 1.09 |
Calculation factor f2D | 1.15 |
Calculation factor fHC | 1 |
Calculation factor f0 | 16.5 |
Mass bearing | 6.6 kg |
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