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| NACHI NNU 4920 K Bearing Details： |
| Bearing Name | NNU 4920 K |
| New Model | NNU4920K |
| Old Model | 4382920 bearing |
| product Model | NNU4920K |
| Category | Cylindrical Roller Bearings |
| Brand | NACHI Bearing |
| Inner Diameter d ( mm ) | 100 |
| Outer Diameter D ( mm ) | 140 |
| Thickness B ( mm ) | 40 |
|
| NACHI NNU 4920 K Bearing Bearing Size and Drawing： |
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NACHI NNU 4920 K Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| GMN 71920C/DB Bearing | 100 | 140 | 40 | GMN | Angular Contact Ball Bearings |
| FAG NA 4920 Bearing | 100 | 140 | 40 | FAG | Needle Roller Bearing |
| TBS NNU 4920 B/SPW33 Bearing | 100 | 140 | 40 | TBS | Cylindrical Roller Bearings |
| GMN 71920 C/ DF Bearing | 100 | 140 | 40 | GMN | Angular Contact Ball Bearings |
| NTN NA 4920 Bearing | 100 | 140 | 40 | NTN | Needle Roller Bearing |
| INA NA4920 Bearing | 100 | 140 | 40 | INA | Needle Roller Bearing |
| NSK NNU4920 Bearing | 100 | 140 | 40 | NSK | Cylindrical Roller Bearings |
| TBS 71920C/DB Bearing | 100 | 140 | 40 | TBS | Angular Contact Ball Bearings |
| IKO RNA4920 Bearing | 100 | 140 | 40 | IKO | Needle Roller Bearing |
| FAG 71920C/DF Bearing | 100 | 140 | 40 | FAG | Angular Contact Ball Bearings |
We export high quantities NACHI NNU 4920 K Bearing and relative products, we have huge stocks for NACHI NNU 4920 K Bearing and relative items, we supply high quality NACHI NNU 4920 K 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 NNU 4920 K Bearing,plz email us
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What are the structural components and design advantages of cylindrical roller bearings?
Cylindrical roller bearings consist of an inner ring, an outer ring, cylindrical rollers, and a cage (some models have full complement rollers or no inner or outer rings). The rollers and raceways are designed for line contact, offering advantages such as extremely high radial load capacity, good rigidity, low coefficient of friction, high limiting speed, and the ability to allow a certain degree of axial displacement of the shaft relative to the housing bore.
What are the advantages of cylindrical roller bearings compared to other similar bearings?
Compared to deep groove ball bearings, cylindrical roller bearings have significantly higher radial load capacity, making them more suitable for heavy-duty applications. Compared to tapered roller bearings, they have higher limiting speeds, lower frictional heat generation, and simplify system design when not subjected to axial loads. Compared to needle roller bearings, they offer superior rigidity and shock resistance, making them suitable for applications requiring higher stability.
What are the applicable occasions and typical applications of cylindrical roller bearings?
These bearings are suitable for heavy-duty, high-speed machinery requiring rigid support. Typical applications include large motors, machine tool spindles, gearboxes, rolling mills, industrial pumps, papermaking machinery, and mining crushing equipment.
