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| NACHI 21311CCK Bearing Details： |
| Bearing Name | 21311CCK |
| New Model | 21311CCK |
| Old Model | 53311 bearing |
| product Model | 21311CCK |
| Category | Spherical Roller Bearings |
| Brand | NACHI Bearing |
| Inner Diameter d ( mm ) | 55 |
| Outer Diameter D ( mm ) | 120 |
| Thickness B ( mm ) | 29 |
|
| NACHI 21311CCK Bearing Bearing Size and Drawing： |
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NACHI 21311CCK Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| TBS 21311 CCK Bearing | 55 | 120 | 29 | TBS | Spherical Roller Bearings |
| ZKL NJ311 Bearing | 55 | 120 | 29 | ZKL | Cylindrical Roller Bearings |
| TBS NJ 407 +HJ 409 Bearing | 55 | 120 | 29 | TBS | Cylindrical Roller Bearings |
| NSK NSK21311E Bearing | 55 | 120 | 29 | NSK | Cylindrical Roller Bearings |
| FAG NU 311 E Bearing | 55 | 120 | 29 | FAG | Cylindrical Roller Bearings |
| KOYO 6311-Z Bearing | 55 | 120 | 29 | KOYO | Deep Groove Ball Bearings |
| FLT NJ311 Bearing | 55 | 120 | 29 | FLT | Cylindrical Roller Bearings |
| NTN 1311 Bearing | 55 | 120 | 29 | NTN | Self-aligning Ball Bearings |
| TBS 7311BEY Bearing | 55 | 120 | 29 | TBS | Angular Contact Ball Bearings |
| NACHI 6311-RZ Bearing | 55 | 120 | 29 | NACHI | Deep Groove Ball Bearings |
We export high quantities NACHI 21311CCK Bearing and relative products, we have huge stocks for NACHI 21311CCK Bearing and relative items, we supply high quality NACHI 21311CCK Bearing with reasonbable price or we produce the bearings along with the technical data or relative drawings, It's priority to us to supply best service to our clients. If you are interested in NACHI 21311CCK Bearing,plz email us
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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.
