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| TBS 2204 E TN9 Bearing Details： |
| Bearing Name | 2204 E TN9 |
| New Model | 2204ETN9 |
| Old Model | bearing |
| product Model | 2204ETN9 |
| Category | Self-aligning Ball Bearings |
| Brand | TBS Bearing |
| Inner Diameter d ( mm ) | 20 |
| Outer Diameter D ( mm ) | 47 |
| Thickness B ( mm ) | 18 |
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| TBS 2204 E TN9 Bearing Bearing Size and Drawing： |
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TBS 2204 E TN9 Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| NSK NUP2204 Bearing | 20 | 47 | 18 | NSK | Cylindrical Roller Bearings |
| NACHI NJ2204E+HJ2204E Bearing | 20 | 47 | 18 | NACHI | Cylindrical Roller Bearings |
| NTN NJ 420 +HJ 421 Bearing | 20 | 47 | 18 | NTN | Cylindrical Roller Bearings |
| STEYR NJ 2204 Bearing | 20 | 47 | 18 | STEYR | Cylindrical Roller Bearings |
| NSK NU2204 Bearing | 20 | 47 | 18 | NSK | Cylindrical Roller Bearings |
| NSK NSK2204E-2RS1TN9 Bearing | 20 | 47 | 18 | NSK | Self-aligning Ball Bearings |
| KOYO NU2204E Bearing | 20 | 47 | 18 | KOYO | Cylindrical Roller Bearings |
| NSK NSKNU2204ET Bearing | 20 | 47 | 18 | NSK | Cylindrical Roller Bearings |
| NACHI 32204 Bearing | 20 | 47 | 18 | NACHI | Tapered Roller Bearings |
| INA NA2204.2RS Bearing | 20 | 47 | 18 | INA | Track Rollers |
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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.
