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| NSK 30212 Bearing Details： |
| Bearing Name | 30212 |
| New Model | 30212 |
| Old Model | 7212E bearing |
| product Model | 30212 |
| Category | Tapered Roller Bearings |
| Brand | NSK Bearing |
| Inner Diameter d ( mm ) | 60 |
| Outer Diameter D ( mm ) | 110 |
| Thickness B ( mm ) | 22 |
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| NSK 30212 Bearing Bearing Size and Drawing： |
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NSK 30212 Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| TBS 11212 TN9 Bearing | 60 | 110 | 22 | TBS | Self-aligning Ball Bearings |
| SNFA 7212C Bearing | 60 | 110 | 22 | SNFA | Angular Contact Ball Bearings |
| NSK NSK7212BYG Bearing | 60 | 110 | 22 | NSK | Angular Contact Ball Bearings |
| KOYO 6212-2RZ Bearing | 60 | 110 | 22 | KOYO | Deep Groove Ball Bearings |
| NSK NSK1212ETN9 Bearing | 60 | 110 | 22 | NSK | Self-aligning Ball Bearings |
| STEYR NUP 212 Bearing | 60 | 110 | 22 | STEYR | Cylindrical Roller Bearings |
| ZKL 30212 Bearing | 60 | 110 | 22 | ZKL | Tapered Roller Bearings |
| KOYO 6212-2Z Bearing | 60 | 110 | 22 | KOYO | Deep Groove Ball Bearings |
| NTN NUP212 Bearing | 60 | 110 | 22 | NTN | Cylindrical Roller Bearings |
| SNR 1212K Bearing | 60 | 110 | 22 | SNR | Self-aligning 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.
