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| TORRINGTON 21309CC Bearing Details： |
| Bearing Name | 21309CC |
| New Model | 21309CC |
| Old Model | 53309 bearing |
| product Model | 21309CC |
| Category | Spherical Roller Bearings |
| Brand | TORRINGTON Bearing |
| Inner Diameter d ( mm ) | 45 |
| Outer Diameter D ( mm ) | 100 |
| Thickness B ( mm ) | 25 |
|
| TORRINGTON 21309CC Bearing Bearing Size and Drawing： |
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TORRINGTON 21309CC Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| NTN NU 309 E Bearing | 45 | 100 | 25 | NTN | Cylindrical Roller Bearings |
| FAG 1309 K Bearing | 45 | 100 | 25 | FAG | Self-aligning Ball Bearings |
| STEYR NUP309 Bearing | 45 | 100 | 25 | STEYR | Cylindrical Roller Bearings |
| TBS 7309 BE C AP* Bearing | 45 | 100 | 25 | TBS | Angular Contact Ball Bearings |
| NSK 1309 Bearing | 45 | 100 | 25 | NSK | Self-aligning Ball Bearings |
| MRC 7309 B Bearing | 45 | 100 | 25 | MRC | Angular Contact Ball Bearings |
| NSK 1309K Bearing | 45 | 100 | 25 | NSK | Self-aligning Ball Bearings |
| TBS 7309BEGAP* Bearing | 45 | 100 | 25 | TBS | Angular Contact Ball Bearings |
| FAG 31309 Bearing | 45 | 100 | 25 | FAG | Tapered Roller Bearings |
| TBS 309-2ZNR Bearing | 45 | 100 | 25 | TBS | Deep Groove Ball Bearings |
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What are the structural components and design advantages of spherical roller bearings?
Spherical roller bearings consist of an inner ring, an outer ring, spherical rollers, and a cage. The inner ring has two raceways, and the outer ring has a spherical raceway. The rollers have a drum-shaped design, providing self-aligning capability, effectively compensating for misalignment between the shaft and the housing bore, as well as shaft deflection. They also offer extremely high load-bearing capacity, shock resistance, and vibration resistance.
What are the advantages compared to other similar bearings?
Compared to self-aligning ball bearings, spherical roller bearings have significantly higher radial and axial load-bearing capacity, making them suitable for heavy-duty applications. Compared to cylindrical roller bearings, they have self-aligning capabilities, accommodating installation errors and shaft deformation. Compared to tapered roller bearings, their self-aligning performance is superior, making them more suitable for long shafts or applications with high flexibility.
What are the applicable occasions and typical applications?
These bearings are suitable for heavy-duty machinery applications involving heavy loads, vibration, shock, or misalignment. Typical applications include mining conveying equipment, wind turbine main shafts, paper calenders, large speed reducers, vibrating screens, ship propulsion systems, and metallurgical rolling mills.
