67780/67720D+L NSK Tapered roller bearing
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| Brand Name: | NSK |
| Model Number: | 67780/67720D+L |
| r1s min: | 2 mm |
| Nlim (oil): | 3,800 rpm |
| (Oil) Lubrication Speed: | 3 800 r/min |
| ra max.: | 2 mm |
| Characteristic outer ring frequency, BPF0: | 6.76 Hz |
| Max operating temperature, Tmax: | 120 °C |
| Characteristic rolling element frequency, BSF: | 5.52 Hz |
| Rating life coefficient, A2: | 1.4 |
Product Details
| r1s min | 2 mm |
| Nlim (oil) | 3,800 rpm |
| (Oil) Lubrication Speed | 3 800 r/min |
| ra max. | 2 mm |
| Characteristic outer ring frequency, BPF0 | 6.76 Hz |
| Max operating temperature, Tmax | 120 °C |
| Characteristic rolling element frequency, BSF | 5.52 Hz |
| Rating life coefficient, A2 | 1.4 |
| d1 | 88.5 mm |
| d | 55 mm |
| da min. | 67 mm |
| Da max. | 110 mm |
| D | 120 mm |
| Db min | 113 mm |
| Db min. | 113 mm |
| r min. | 2,5 mm |
| Y0 | 0.4 |
| Nlim (grease) | 2,900 rpm |
| Da max | 110 mm |
| Sb | 10,5 mm |