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| NACHI 30330 Bearing Details： |
| Bearing Name | 30330 |
| New Model | 30330 |
| Old Model | 7330E bearing |
| product Model | 30330 |
| Category | Tapered Roller Bearings |
| Brand | NACHI Bearing |
| Inner Diameter d ( mm ) | 150 |
| Outer Diameter D ( mm ) | 320 |
| Thickness B ( mm ) | 65 |
|
| NACHI 30330 Bearing Bearing Size and Drawing： |
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NACHI 30330 Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| NTN 7330C Bearing | 150 | 320 | 65 | NTN | Angular Contact Ball Bearings |
| NACHI NJ330E+HJ330E Bearing | 150 | 320 | 65 | NACHI | Cylindrical Roller Bearings |
| KOYO 7330 C Bearing | 150 | 320 | 65 | KOYO | Angular Contact Ball Bearings |
| TBS 30330 Bearing | 150 | 320 | 65 | TBS | Tapered Roller Bearings |
| KOYO 7330B Bearing | 150 | 320 | 65 | KOYO | Angular Contact Ball Bearings |
| NTN NJ 330 E Bearing | 150 | 320 | 65 | NTN | Cylindrical Roller Bearings |
| KOYO 6330 Bearing | 150 | 320 | 65 | KOYO | Deep Groove Ball Bearings |
| SNR 7330 AC Bearing | 150 | 320 | 65 | SNR | Angular Contact Ball Bearings |
| FAG QJ 330 Bearing | 150 | 320 | 65 | FAG | Angular Contact Ball Bearings |
| FAG NU330E Bearing | 150 | 320 | 65 | FAG | Cylindrical Roller Bearings |
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What are the structural components and design advantages of tapered roller bearings?
Tapered roller bearings consist of an inner ring, an outer ring, tapered rollers, and a cage. The rollers and raceways have a tapered design, with the extensions of all the tapered surfaces converging on the bearing axis. They offer advantages such as the ability to simultaneously withstand radial and unidirectional axial loads, high load capacity, good rigidity, adjustable clearance, and are typically used in pairs.
What are the advantages of tapered roller bearings compared to other similar bearings?
Compared to cylindrical roller bearings, tapered roller bearings can withstand larger axial loads and have a higher load capacity. Compared to angular contact ball bearings, their radial and axial load capacities are significantly higher, making them more suitable for heavy-duty impact conditions. Compared to thrust bearings, they can simultaneously withstand combined radial and axial loads, have a more compact structure, and do not require additional radial bearings.
What are the applicable occasions and typical applications of tapered roller bearings?
These bearings are suitable for heavy-duty, impact-prone mechanical applications requiring precise positioning and adjustable clearance. Typical applications include automotive wheel hubs, gearboxes, rolling mill roll necks, machine tool spindles, engineering machinery drive axles, railway vehicle axles, and mining crushing equipment.
