3R16-220E1 Rotek Slewing Ring Bearings
| Brand Name: | Rotek |
| Model Number: | 3R16-220E1 |
| Bearing number: | 71906 CD/HCP4A |
| Size (mm): | 47x30x9 |
| Bore Diameter (mm): | 47 |
| Outer Diameter (mm): | 30 |
| Width (mm): | 9 |
| d: | 30 mm |
| D: | 47 mm |
| B: | 9 mm |
Product Details
| Bearing number | 71906 CD/HCP4A |
| Size (mm) | 47x30x9 |
| Bore Diameter (mm) | 47 |
| Outer Diameter (mm) | 30 |
| Width (mm) | 9 |
| d | 30 mm |
| D | 47 mm |
| B | 9 mm |
| d1 | 35.6 mm |
| d2 | 35.6 mm |
| D1 | 41.4 mm |
| r1,2 - min. | 0.3 mm |
| r3,4 - min. | 0.2 mm |
| a | 9.7 mm |
| da - min. | 32 mm |
| db - min. | 32 mm |
| Da - max. | 45 mm |
| Db - max. | 45.6 mm |
| ra - max. | 0.3 mm |
| rb - max. | 0.2 mm |
| dn | 36.8 mm |
| Basic dynamic load rating - C | 7.2 kN |
| Basic static load rating - C0 | 4.6 kN |
| Fatigue load limit - Pu | 0.193 kN |
| Limiting speed for grease lubrication | 38000 r/min |
| Limiting speed for oil lubrication | 53000 mm/min |
| Ball - Dw | 4.762 mm |
| Ball - z | 20 |
| Gref | 0.63 cm3 |
| Calculation factor - f0 | 10.4 |
| Preload class A - GA | 25 N |
| Preload class B - GB | 50 N |
| Preload class C - GC | 100 N |
| Preload class D - GD | 200 N |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.07 |
| Calculation factor - f2C | 1.12 |
| Calculation factor - f2D | 1.18 |
| Calculation factor - fHC | 1.04 |
| Preload class A | 29 N/micron |
| Preload class B | 39 N/micron |
| Preload class C | 53 N/micron |
| Preload class D | 74 N/micron |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.2 mm |
| da min. | 32 mm |
| db min. | 32 mm |
| Da max. | 45 mm |
| Db max. | 45.6 mm |
| ra max. | 0.3 mm |
| rb max. | 0.2 mm |
| Basic dynamic load rating C | 7.15 kN |
| Basic static load rating C0 | 4.55 kN |
| Fatigue load limit Pu | 0.193 kN |
| Attainable speed for grease lubrication | 38000 r/min |
| Attainable speed for oil-air lubrication | 53000 r/min |
| Ball diameter Dw | 4.762 mm |
| Number of balls z | 20 |
| Reference grease quantity Gref | 0.63 cm³ |
| Preload class A GA | 25 N |
| Static axial stiffness, preload class A | 29 N/µm |
| Preload class B GB | 50 N |
| Static axial stiffness, preload class B | 39 N/µm |
| Preload class C GC | 100 N |
| Static axial stiffness, preload class C | 53 N/µm |
| Preload class D GD | 200 N |
| Static axial stiffness, preload class D | 74 N/µm |
| Calculation factor f | 1.08 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.07 |
| Calculation factor f2C | 1.12 |
| Calculation factor f2D | 1.18 |
| Calculation factor fHC | 1.04 |
| Calculation factor f0 | 10.4 |
| Mass bearing | 0.045 kg |
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