NTN 4T-30308DDF tapered roller bearings
Online shopping NTN 4T-30308DDF tapered roller bearings from a great selection at Store. … 70x110x20 Size (mm) Accessories.
| Size (mm) | 70x110x20 |
| Bore Diameter (mm) | 70 |
| Outer Diameter (mm) | 110 |
| Width (mm) | 20 |
| d | 70 mm |
| D | 110 mm |
| B | 20 mm |
| C | 20 mm |
| Angle (α) | 15 ° |
| a | 0,4 mm |
| r min. | 1,1 mm |
| r1 min. | 0,6 mm |
| da min. | 76 mm |
| Da max. | 104 mm |
| ra max. | 1 mm |
| Weight | 0,66 Kg |
| Basic dynamic load rating (C) | 47 kN |
| Basic static load rating (C0) | 43 kN |
| (Grease) Lubrication Speed | 13000 r/min |
| Configuration | Single Row |
| Enclosure | Open |
| Bore Type | Cylindrical Bore |
| Bore Size | 70 mm |
| Outside Diameter | 110 mm |
| Width | 20 mm |
| Fillet Radius/Chamfer | 1.1 mm |
| r1 | 0.6 mm |
| Dynamic Load Rating | 47,000 N |
| Static Load Rating | 43,000 N |
| Limiting Speed – Grease | 8,900 rpm |
| Limiting Speed – Oil | 12,000 rpm |
| da1 (min) | 76 mm |
| da2 (min) | 76 mm |
| Da1 (max) | 104 mm |
| Da2 (max) | 106 mm |
| ra (max) | 1 mm |
| ra1 (max) | 0.6 mm |
Detailed Parameters
parameter：
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