AC563946AB KOYO Single-row, matched pair angular contact ball bearings
| Brand Name: | KOYO |
| Model Number: | AC563946AB |
| Bearing number: | 7011 CD/HCP4AH1 |
| Size (mm): | 90x55x18 |
| Bore Diameter (mm): | 90 |
| Outer Diameter (mm): | 55 |
| Width (mm): | 18 |
| d: | 55 mm |
| D: | 90 mm |
| B: | 18 mm |
| PDF |
AC563946AB |
Product Details
| Bearing number | 7011 CD/HCP4AH1 |
| Size (mm) | 90x55x18 |
| Bore Diameter (mm) | 90 |
| Outer Diameter (mm) | 55 |
| Width (mm) | 18 |
| d | 55 mm |
| D | 90 mm |
| B | 18 mm |
| d1 | 65.8 mm |
| d2 | 65.8 mm |
| D1 | 79.2 mm |
| K | 0.5 mm |
| C1 | 4.88 mm |
| r1,2 - min. | 1.1 mm |
| r3,4 - min. | 0.6 mm |
| a | 18.8 mm |
| da - min. | 61 mm |
| db - min. | 61 mm |
| Da - max. | 84 mm |
| Db - max. | 86.8 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| dn | 68.1 mm |
| Basic dynamic load rating - C | 39.7 kN |
| Basic static load rating - C0 | 32.5 kN |
| Fatigue load limit - Pu | 1.4 kN |
| Limiting speed for grease lubrication | 18000 r/min |
| Limiting speed for oil lubrication | 28000 mm/min |
| Ball - Dw | 11.112 mm |
| Ball - z | 18 |
| Gref | 5.1 cm3 |
| Calculation factor - f0 | 15.1 |
| 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 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.02 |
| Calculation factor - f2C | 1.05 |
| Calculation factor - f2D | 1.09 |
| Calculation factor - fHC | 1.02 |
| Preload class A | 75 N/micron |
| Preload class B | 102 N/micron |
| Preload class C | 143 N/micron |
| Preload class D | 207 N/micron |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 61 mm |
| db min. | 61 mm |
| Da max. | 84 mm |
| Db max. | 86.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 39.7 kN |
| Basic static load rating C0 | 32.5 kN |
| Fatigue load limit Pu | 1.37 kN |
| Attainable speed for grease lubrication | 18000 r/min |
| Attainable speed for oil-air lubrication | 28000 r/min |
| Ball diameter Dw | 11.112 mm |
| Number of balls z | 18 |
| Reference grease quantity Gref | 5.1 cm³ |
| Preload class A GA | 150 N |
| Static axial stiffness, preload class A | 75 N/µm |
| Preload class B GB | 300 N |
| Static axial stiffness, preload class B | 102 N/µm |
| Preload class C GC | 600 N |
| Static axial stiffness, preload class C | 143 N/µm |
| Preload class D GD | 1200 N |
| Static axial stiffness, preload class D | 207 N/µm |
| Calculation factor f | 1.1 |
| 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 | 1.02 |
| Calculation factor f0 | 15.1 |
| Mass bearing | 0.32 kg |
NN3172 KOYO Double-row cylindrical roller bearings
72NNU54266 KOYO Double-row cylindrical roller bearings
NNU4072 KOYO Double-row cylindrical roller bearings
NN3072 KOYO Double-row cylindrical roller bearings
NNU4972 KOYO Double-row cylindrical roller bearings
NNU4068 KOYO Double-row cylindrical roller bearings