Bearing RT-747 SIGMA
We Provide Extensive Bearing RT-747 SIGMA Selection And 72x50x12 Competitive Wholesale Pricing.
| Min.Order Quantity | 1 pcs |
| Price | Negotiable |
Product Details
| Bearing number | S71910 CD/HCP4A |
| Size (mm) | 72x50x12 |
| Bore Diameter (mm) | 72 |
| Outer Diameter (mm) | 50 |
| Width (mm) | 12 |
| d | 50 mm |
| D | 72 mm |
| B | 12 mm |
| d1 | 57.1 mm |
| d2 | 57.1 mm |
| D2 | 67.12 mm |
| r1,2 - min. | 0.6 mm |
| r3,4 - min. | 0.3 mm |
| a | 14.2 mm |
| da - min. | 53.2 mm |
| da - max. | 56.6 mm |
| db - min. | 53.2 mm |
| db - max. | 56.6 mm |
| Da - max. | 68.8 mm |
| Db - max. | 70.6 mm |
| ra - max. | 0.6 mm |
| rb - max. | 0.3 mm |
| Basic dynamic load rating - C | 13.5 kN |
| Basic static load rating - C0 | 10.4 kN |
| Fatigue load limit - Pu | 0.44 kN |
| Limiting speed for grease lubrication | 22000 r/min |
| Ball - Dw | 6.35 mm |
| Ball - z | 25 |
| Calculation factor - f0 | 10.7 |
| Preload class A - GA | 50 N |
| Preload class B - GB | 100 N |
| Preload class C - GC | 200 N |
| Preload class D - GD | 400 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 | 47 N/micron |
| Preload class B | 63 N/micron |
| Preload class C | 87 N/micron |
| Preload class D | 122 N/micron |
| r1,2 min. | 0.6 mm |
| r3,4 min. | 0.3 mm |
| da min. | 53.2 mm |
| da max. | 56.6 mm |
| db min. | 53.2 mm |
| db max. | 56.6 mm |
| Da max. | 68.8 mm |
| Db max. | 70.6 mm |
| ra max. | 0.6 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating C | 13.5 kN |
| Basic static load rating C0 | 10.4 kN |
| Fatigue load limit Pu | 0.44 kN |
| Attainable speed for grease lubrication | 22000 r/min |
| Ball diameter Dw | 6.35 mm |
| Number of balls z | 25 |
| Preload class A GA | 50 N |
| Static axial stiffness, preload class A | 47 N/µm |
| Preload class B GB | 100 N |
| Static axial stiffness, preload class B | 63 N/µm |
| Preload class C GC | 200 N |
| Static axial stiffness, preload class C | 87 N/µm |
| Preload class D GD | 400 N |
| Static axial stiffness, preload class D | 122 N/µm |
| Calculation factor f | 1.13 |
| 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 | 10.7 |
| Mass bearing | 0.12 kg |