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| ZKL NU209 Bearing Details： |
| Bearing Name | NU209 |
| New Model | NU209 |
| Old Model | 32209 bearing |
| product Model | NU209 |
| Category | Cylindrical Roller Bearings |
| Brand | ZKL Bearing |
| Inner Diameter d ( mm ) | 45 |
| Outer Diameter D ( mm ) | 85 |
| Thickness B ( mm ) | 19 |
|
| ZKL NU209 Bearing Bearing Size and Drawing： |
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ZKL NU209 Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| TBS 6209-2ZN Bearing | 45 | 85 | 19 | TBS | Deep Groove Ball Bearings |
| NSK NSKNU209ET Bearing | 45 | 85 | 19 | NSK | Cylindrical Roller Bearings |
| TBS *6209-2RS1 Bearing | 45 | 85 | 19 | TBS | Deep Groove Ball Bearings |
| KOYO 6209-RS Bearing | 45 | 85 | 19 | KOYO | Deep Groove Ball Bearings |
| NACHI NJ 209 E Bearing | 45 | 85 | 19 | NACHI | Cylindrical Roller Bearings |
| NSK 1209K Bearing | 45 | 85 | 19 | NSK | Self-aligning Ball Bearings |
| NTN QJ209 Bearing | 45 | 85 | 19 | NTN | Angular Contact Ball Bearings |
| KOYO NJ 209 R+HJ 209 R Bearing | 45 | 85 | 19 | KOYO | Cylindrical Roller Bearings |
| KOYO 6209-Z Bearing | 45 | 85 | 19 | KOYO | Deep Groove Ball Bearings |
| NTN 7209C Bearing | 45 | 85 | 19 | NTN | Angular Contact Ball Bearings |
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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.
