We introduce you to the KOYO NJ2204R+HJ2204R 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 NJ2204R+HJ2204R, please contact us:
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| KOYO NJ2204R+HJ2204R Bearing Details： |
| Bearing Name | NJ2204R+HJ2204R |
| New Model | NJ2204R+HJ2204R |
| Old Model | 62504E bearing |
| product Model | NJ2204R+HJ2204R |
| Category | Cylindrical Roller Bearings |
| Brand | KOYO Bearing |
| Inner Diameter d ( mm ) | 20 |
| Outer Diameter D ( mm ) | 47 |
| Thickness B ( mm ) | 18 |
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| KOYO NJ2204R+HJ2204R Bearing Bearing Size and Drawing： |
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KOYO NJ2204R+HJ2204R Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| SNR 2204 Bearing | 20 | 47 | 18 | SNR | Self-aligning Ball Bearings |
| TBS 62204-2RS1 Bearing | 20 | 47 | 18 | TBS | Deep Groove Ball Bearings |
| TBS 4204ATN9 Bearing | 20 | 47 | 18 | TBS | Deep Groove Ball Bearings |
| SNR 2204K Bearing | 20 | 47 | 18 | SNR | Self-aligning Ball Bearings |
| KOYO NJ2204E+HJ2204E Bearing | 20 | 47 | 18 | KOYO | Cylindrical Roller Bearings |
| NACHI 32204 Bearing | 20 | 47 | 18 | NACHI | Tapered Roller Bearings |
| KOYO NUP2204E Bearing | 20 | 47 | 18 | KOYO | Cylindrical Roller Bearings |
| NACHI NUP2204E Bearing | 20 | 47 | 18 | NACHI | Cylindrical Roller Bearings |
| NACHI 2204 Bearing | 20 | 47 | 18 | NACHI | Self-aligning Ball Bearings |
| STEYR 2204 Bearing | 20 | 47 | 18 | STEYR | Self-aligning 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.
