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| INA RNAO40X55X20 Bearing Details： |
| Bearing Name | RNAO40X55X20 |
| New Model | RNAO40X55X20 |
| Old Model | bearing |
| product Model | RNAO40X55X20 |
| Category | Needle Roller Bearing |
| Brand | INA Bearing |
| Inner Diameter d ( mm ) | 40 |
| Outer Diameter D ( mm ) | 55 |
| Thickness B ( mm ) | 20 |
|
| INA RNAO40X55X20 Bearing Bearing Size and Drawing： |
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INA RNAO40X55X20 Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| INA NKI40/20 Bearing | 40 | 55 | 20 | INA | Needle Roller Bearing |
| TBS NKI 40/20 Bearing | 40 | 55 | 20 | TBS | Needle Roller Bearing |
| TBS NKI 40/20 TN Bearing | 40 | 55 | 20 | TBS | Needle Roller Bearing |
| FAG NKI40/20 Bearing | 40 | 55 | 20 | FAG | Needle Roller Bearing |
| NTN NKI40/20 Bearing | 40 | 55 | 20 | NTN | Needle Roller Bearing |
| INA NK45/20 Bearing | 40 | 55 | 20 | INA | Needle Roller Bearing |
| INA RNAO 40X55X20 Bearing | 40 | 55 | 20 | INA | Needle Roller Bearing |
| TBS NK 45/20 Bearing | 40 | 55 | 20 | TBS | Needle Roller Bearing |
| INA RPNA 40/55 Bearing | 40 | 55 | 20 | INA | Needle Roller Bearing |
| IKO NK 45/20 Bearing | 40 | 55 | 20 | IKO | Needle Roller Bearing |
We export high quantities INA RNAO40X55X20 Bearing and relative products, we have huge stocks for INA RNAO40X55X20 Bearing and relative items, we supply high quality INA RNAO40X55X20 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 INA RNAO40X55X20 Bearing,plz email us
admin@tradebearings.com 
What are the structural components and design advantages of needle roller bearings?
Needle roller bearings consist of slender needle rollers, a cage, and rings (or ringless bearings) typically with a thin-walled design. The needle rollers and raceways have a line contact design, offering advantages such as extremely small radial cross-section, high load capacity, good rigidity, and a low coefficient of friction. They are suitable for compact structures with limited radial space and the need to withstand high loads.
What are the advantages of needle roller bearings compared to other similar bearings?
Compared to cylindrical roller bearings, needle roller bearings have a significantly smaller radial cross-section, making them more suitable for space-constrained compact designs. Compared to deep groove ball bearings, they have a higher radial load capacity and offer greater shaft diameter design flexibility for the same outer diameter. Compared to sliding bearings, they have lower starting friction, higher running accuracy, and require no complex lubrication system.
What are the application scenarios and typical applications of needle roller bearings?
These bearings are suitable for mechanical applications with limited radial space, high load capacity, and compact structure requirements. Typical applications include automotive transmissions, engine connecting rods, universal joints, textile machinery, industrial robot joints, motorcycle engines, and aviation hydraulic pumps.
