We introduce you to the NTN 2221 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 NTN 2221, please contact us:
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| NTN 2221 Bearing Details： |
| Bearing Name | 2221 |
| New Model | 2221 |
| Old Model | 1521 bearing |
| product Model | 2221 |
| Category | Self-aligning Ball Bearings |
| Brand | NTN Bearing |
| Inner Diameter d ( mm ) | 105 |
| Outer Diameter D ( mm ) | 190 |
| Thickness B ( mm ) | 50 |
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| NTN 2221 Bearing Bearing Size and Drawing： |
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NTN 2221 Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| TBS 2221 Bearing | 105 | 190 | 50 | TBS | Self-aligning Ball Bearings |
| NSK 2221 Bearing | 105 | 190 | 50 | NSK | Self-aligning Ball Bearings |
| NTN 2221 Bearing | 105 | 190 | 50 | NTN | Self-aligning Ball Bearings |
| KOYO 32221 Bearing | 105 | 190 | 50 | KOYO | Tapered Roller Bearings |
| TBS 2221 Bearing | 105 | 190 | 50 | TBS | Self-aligning Ball Bearings |
| STEYR 2221 K Bearing | 105 | 190 | 50 | STEYR | Self-aligning Ball Bearings |
| NTN 2221 Bearing | 105 | 190 | 50 | NTN | Self-aligning Ball Bearings |
| FAG 32221A+T3FC105 Bearing | 105 | 190 | 50 | FAG | Tapered Roller Bearings |
| FAG 32221 Bearing | 105 | 190 | 50 | FAG | Tapered Roller Bearings |
| STEYR 2221K Bearing | 105 | 190 | 50 | STEYR | Self-aligning Ball Bearings |
We export high quantities NTN 2221 Bearing and relative products, we have huge stocks for NTN 2221 Bearing and relative items, we supply high quality NTN 2221 Bearing with reasonbable price or we produce the bearings along with the technical data or relative drawings, It's priority to us to supply best service to our clients. If you are interested in NTN 2221 Bearing,plz email us
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What are the structural components and design advantages of self-aligning ball bearings?
Self-aligning ball bearings consist of an inner ring, an outer ring, two rows of steel balls, and a cage. The outer ring raceway is spherical, and the inner ring has a double-raceway design, providing excellent self-aligning performance. This effectively compensates for alignment errors between the shaft and the housing bore, as well as shaft deflection. They also have low friction and a high limiting speed, making them suitable for applications with installation misalignment or shaft deformation.
What are the advantages of self-aligning ball bearings compared to other similar bearings?
Compared to deep groove ball bearings, self-aligning ball bearings have self-aligning capabilities, accommodating greater alignment errors and shaft deflection. Compared to spherical roller bearings, they have a higher limiting speed and lower friction, but a lower load capacity, making them more suitable for medium to light load conditions. Compared to cylindrical roller bearings, they can withstand certain axial loads, and their self-aligning performance reduces the requirements for installation precision.
What are the applicable occasions and typical applications of self-aligning ball bearings?
These bearings are suitable for medium to light load applications where alignment precision requirements are not high and deflection or impact is present. Typical applications include textile machinery, agricultural equipment, conveyor rollers, small fans, crushers, vibrating screens, and woodworking machinery.
