We introduce you to the NTN 30312 models bearing the relevant parameters, including the model, size, drawings and other models of the same size, if you have any do not understand or want to learn more parameters or would like to inquire about NTN 30312, please contact us:
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| NTN 30312 Bearing Details： |
| Bearing Name | 30312 |
| New Model | 30312 |
| Old Model | 7312E bearing |
| product Model | 30312 |
| Category | Tapered Roller Bearings |
| Brand | NTN Bearing |
| Inner Diameter d ( mm ) | 60 |
| Outer Diameter D ( mm ) | 130 |
| Thickness B ( mm ) | 31 |
|
| NTN 30312 Bearing Bearing Size and Drawing： |
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NTN 30312 Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| MRC NJ312 Bearing | 60 | 130 | 31 | MRC | Cylindrical Roller Bearings |
| NSK NJ 312 Bearing | 60 | 130 | 31 | NSK | Cylindrical Roller Bearings |
| MAC NJ 312 Bearing | 60 | 130 | 31 | MAC | Cylindrical Roller Bearings |
| NACHI NF 312 Bearing | 60 | 130 | 31 | NACHI | Cylindrical Roller Bearings |
| NSK NSKQJ312N2MA Bearing | 60 | 130 | 31 | NSK | Angular Contact Ball Bearings |
| TORRINGTON 6312-2Z Bearing | 60 | 130 | 31 | TORRINGTON | Deep Groove Ball Bearings |
| NSK 6312 Bearing | 60 | 130 | 31 | NSK | Deep Groove Ball Bearings |
| TBS 6312-2ZN Bearing | 60 | 130 | 31 | TBS | Deep Groove Ball Bearings |
| KOYO 21312CC Bearing | 60 | 130 | 31 | KOYO | Spherical Roller Bearings |
| MRC 7312AC Bearing | 60 | 130 | 31 | MRC | Angular Contact Ball 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.
