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| TBS NNTR55x140x70. Bearing Details： |
| Bearing Name | NNTR55x140x70. |
| New Model | NNTR55x140x70. |
| Old Model | bearing |
| product Model | NNTR55x140x70. |
| Category | Track Rollers |
| Brand | TBS Bearing |
| Inner Diameter d ( mm ) | 55 |
| Outer Diameter D ( mm ) | 140 |
| Thickness B ( mm ) | 68 |
|
| TBS NNTR55x140x70. Bearing Bearing Size and Drawing： |
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TBS NNTR55x140x70. Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| TBS NNTR55x140x70. Bearing | 55 | 140 | 68 | TBS | Track Rollers |
| TBS NNTR 55X140X70. Bearing | 55 | 140 | 68 | TBS | Track Rollers |
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What are the structural components and design advantages of yoke-type track rollers?
Yoke-type track rollers consist of a thick-walled outer ring, needle or cylindrical rollers, a cage, and an integrated yoke-shaped inner ring. The inner ring extends to both sides as mounting shafts, allowing direct bolt or pin mounting to equipment. They offer advantages such as a compact radial cross-section, high load-bearing capacity, extremely high rigidity, and a wear- and impact-resistant outer ring that serves as the rolling surface.
What are the advantages of yoke-type track rollers compared to other similar bearings?
Compared to stud-type cam rollers, yoke-type track rollers offer higher overall rigidity and load-bearing capacity, making them more suitable for heavy-duty applications. Compared to standard needle roller bearings, their thick-walled outer ring can withstand higher point contact stress and impact loads, and can be used directly without additional mounting brackets. Compared to sliding guides or wheel assemblies, they have an extremely low coefficient of rolling friction, smooth movement, lower maintenance costs, and simpler installation.
What are the application scenarios and typical applications of forklift track rollers?
These bearings are suitable for heavy-duty, high-rigidity applications requiring direct contact with the track for guiding linear or curved motion. Typical applications include automated conveyor line guides, heavy-duty material handling equipment, industrial robot walking mechanisms, machine tool cam drives, packaging machinery, automated warehouse stacker cranes, and support rollers for construction machinery.
