We introduce you to the NACHI 21311CC 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 NACHI 21311CC, please contact us:
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| NACHI 21311CC Bearing Details： |
| Bearing Name | 21311CC |
| New Model | 21311CC |
| Old Model | 53311 bearing |
| product Model | 21311CC |
| Category | Spherical Roller Bearings |
| Brand | NACHI Bearing |
| Inner Diameter d ( mm ) | 55 |
| Outer Diameter D ( mm ) | 120 |
| Thickness B ( mm ) | 29 |
|
| NACHI 21311CC Bearing Bearing Size and Drawing： |
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NACHI 21311CC Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| STEYR NJ 311 Bearing | 55 | 120 | 29 | STEYR | Cylindrical Roller Bearings |
| RHP QJ311 Bearing | 55 | 120 | 29 | RHP | Angular Contact Ball Bearings |
| NTN QJ 311 Bearing | 55 | 120 | 29 | NTN | Angular Contact Ball Bearings |
| KOYO 1311K+H311 Bearing | 55 | 120 | 29 | KOYO | Self-aligning Ball Bearings |
| FAG 7311 B Bearing | 55 | 120 | 29 | FAG | Angular Contact Ball Bearings |
| TBS 311-2Z Bearing | 55 | 120 | 29 | TBS | Deep Groove Ball Bearings |
| KOYO 6311 N Bearing | 55 | 120 | 29 | KOYO | Deep Groove Ball Bearings |
| NACHI 6311-2RZ Bearing | 55 | 120 | 29 | NACHI | Deep Groove Ball Bearings |
| FAG 21311 CCK Bearing | 55 | 120 | 29 | FAG | Spherical Roller Bearings |
| FAG 21311CC Bearing | 55 | 120 | 29 | FAG | Spherical Roller 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.
