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| TBS NNU4138M/W33 Bearing Details： |
| Bearing Name | NNU4138M/W33 |
| New Model | NNU4138M/W33 |
| Old Model | bearing |
| product Model | NNU4138M/W33 |
| Category | Cylindrical Roller Bearings |
| Brand | TBS Bearing |
| Inner Diameter d ( mm ) | 190 |
| Outer Diameter D ( mm ) | 320 |
| Thickness B ( mm ) | 128 |
|
| TBS NNU4138M/W33 Bearing Bearing Size and Drawing： |
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TBS NNU4138M/W33 Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| KOYO 24138CCK30/W33 Bearing | 190 | 320 | 128 | KOYO | Spherical Roller Bearings |
| FAG 24138 CC/W33 Bearing | 190 | 320 | 128 | FAG | Spherical Roller Bearings |
| KOYO 24138RHAK30W33 Bearing | 190 | 320 | 128 | KOYO | Spherical Roller Bearings |
| NTN 24138CC/W33 Bearing | 190 | 320 | 128 | NTN | Spherical Roller Bearings |
| TBS C 4138 V* Bearing | 190 | 320 | 128 | TBS | Spherical Roller Bearings |
| KOYO 24138 CCK 30/W33 Bearing | 190 | 320 | 128 | KOYO | Spherical Roller Bearings |
| TBS C4138K30V* Bearing | 190 | 320 | 128 | TBS | Spherical Roller Bearings |
| KOYO 24138RHAW33 Bearing | 190 | 320 | 128 | KOYO | Spherical Roller Bearings |
| NTN 24138 CC/W33 Bearing | 190 | 320 | 128 | NTN | Spherical Roller Bearings |
| NACHI 24138 CC/W33 Bearing | 190 | 320 | 128 | NACHI | Spherical Roller 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.
