We introduce you to the KOYO NJ220R+HJ220R 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 KOYO NJ220R+HJ220R, please contact us:
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| KOYO NJ220R+HJ220R Bearing Details： |
| Bearing Name | NJ220R+HJ220R |
| New Model | NJ220R+HJ220R |
| Old Model | 6222E bearing |
| product Model | NJ220R+HJ220R |
| Category | Cylindrical Roller Bearings |
| Brand | KOYO Bearing |
| Inner Diameter d ( mm ) | 100 |
| Outer Diameter D ( mm ) | 180 |
| Thickness B ( mm ) | 34 |
|
| KOYO NJ220R+HJ220R Bearing Bearing Size and Drawing： |
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KOYO NJ220R+HJ220R Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| TBS 7220 BEC BP* Bearing | 100 | 180 | 34 | TBS | Angular Contact Ball Bearings |
| NSK 6220-Z Bearing | 100 | 180 | 34 | NSK | Deep Groove Ball Bearings |
| KOYO 6220 BI Bearing | 100 | 180 | 34 | KOYO | Angular Contact Ball Bearings |
| FAG 1220K.M.C3+H220 Bearing | 100 | 180 | 34 | FAG | Self-aligning Ball Bearings |
| NACHI 7220 AC Bearing | 100 | 180 | 34 | NACHI | Angular Contact Ball Bearings |
| NSK NUP220 Bearing | 100 | 180 | 34 | NSK | Cylindrical Roller Bearings |
| TBS 7220BECBP* Bearing | 100 | 180 | 34 | TBS | Angular Contact Ball Bearings |
| TBS 7220 B EP Bearing | 100 | 180 | 34 | TBS | Angular Contact Ball Bearings |
| NSK NU220 Bearing | 100 | 180 | 34 | NSK | Cylindrical Roller Bearings |
| NTN 6220-ZN Bearing | 100 | 180 | 34 | NTN | Deep Groove Ball Bearings |
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admin@tradebearings.com 
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.
