NSK/NTN/Koyo 1205K-1208K Self-Aligning Ball Bearings – Low Noise, High Precision
Basic Info.
| Inner Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Thickness | 15 mm |
| Model No. | 1205K |
| Material | Bearing Steel |
| Origin | Japan |
Introduction
High-precision NSK roller bearing, double-row spherical aligning type, radial load capacity. Made of premium bearing steel, unseparated design, suitable for OEM/ODM applications. Outer dimension range: 35–400 mm. Packaged in carton pallet.
Basic Info.
- Spherical Roller Bearing
- Taper Roller Bearing
- Alloy Guide Rail
- Thrust Needle Roller Bearing
- Thrust Self-aligning Roller Bearing
- Cylindrical Roller Bearing
- Bearing Block
- Pillow Block Bearing
- Self-Aligning Ball Bearing
- Deep Groove Ball Bearing
- Angular Contact Ball Bearing
- Linear Bearing
- Auto Bearing
- Needle Bearing
- Thrust Ball Bearing
Related Products
Specifications
| Bore Diameter | Varies by model |
| Outer Diameter | Varies by model |
| Width | Varies by model |
| Load Direction | Thrust Bearing |
| Alignment | Spherical Aligning |
| Origin | China |
Description
High-quality spherical aligning thrust bearings with unseparated design, suitable for heavy-duty applications. Made in China, these medium roller bearings ensure reliable performance and durability under high load conditions.
Specifications
| Model No. | 21305/Cc to 21308/E/C3 |
| Type | Spherical Aligning Bearings |
| Load Direction | Thrust Bearing |
| Separated | Unseparated |
| Origin | China |
| HS Code | 84823000 |
Description
High-performance spherical roller thrust bearings designed for heavy-load applications. These unseparated, aligning bearings ensure reliable operation under high stress and misalignment conditions. Made in China with standard export packaging, suitable for industrial machinery requiring durable medium-sized roller bearings.
Specifications
| Outer Dimension | Large (200-430mm) |
| Type | Aligning Bearings |
| Material | Chrome Steel |
| Origin | China |
| HS Code | 8482102000 |
Description
High-quality chrome steel aligning bearing with large outer dimension, ideal for heavy-duty industrial applications. Durable construction ensures long service life and reliable performance under high load and variable speed conditions.
Specifications
| Model NO. | 22318, 22324, 22317, 22226, 22230, 23026, 24026, 3126 |
| Type | Aligning Thrust Bearing |
| Separated | Unseparated |
| Origin | China |
| HS Code | 84823000 |
Description
High-performance medium roller thrust bearing with spherical alignment capability. Designed for heavy axial loads, this unseparated bearing ensures reliable operation under high speed and temperature conditions. Made in China with export-standard packaging.
Specifications
| Model NO. | 21311 |
| Dimensions (mm) | 55*120*29 |
| Material | Bearing Steel |
| Rolling Body | Roller Bearings |
| Load Direction | Radial Bearing |
| Speed & Noise | High Speed, Low Noise |
Description
Precision roller bearing with long life and high-speed performance. Ideal for industrial applications requiring reliability and efficiency. Available in multiple precision ratings and clearances.
Specifications
| Bore Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Width | 46 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
Description
High-performance roller bearing with long life, high speed, and low noise. Suitable for radial loads, featuring aligning design and unseparated structure. Ideal for OEM/ODM applications.
Specifications
| Bore Diameter | Customized |
| Outer Diameter | 200-430mm (Large) |
| Width | Varies by Model |
| Material | Chrome Steel |
| Type | Self-Aligning Roller Bearing |
| Origin | China |
Overview
Premium self-aligning roller bearing made of chrome steel, ideal for heavy-duty applications. Features large outer dimensions (200-430mm), excellent alignment capability, and high durability. Suitable for various industrial uses with reliable performance.
Specifications
| Bore Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Width | 46 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
Description
High-speed roller bearing with long life and low noise. Suitable for radial loads, featuring double-row unseparated design. Ideal for industrial applications requiring precision and durability. Made in China, OEM/ODM supported.
Specifications
| Model No. | 23164 23168 23172 23176 23180 |
| Dimensions (mm) | 100 x 180 x 46 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
| Feature | High Speed, Low Noise, Long Life |
Description
High-performance roller bearing with double row design, made of durable bearing steel. Ideal for radial loads, offering high precision, low noise, and long service life. Suitable for various industrial applications requiring reliability and efficiency.
Specifications
| Inner Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Thickness | 46 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Feature | High Speed, Low Noise, Long Life |
Description
High-performance roller bearing with double row design, made of bearing steel for durability. Ideal for radial loads, featuring alignment capability and unseparated structure. Suitable for high-speed applications with low noise and long service life. Available in various precision and clearance grades.
Specifications
| Bore Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Width | 46 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
Overview
High-speed roller bearing with long life and low noise. Double row, radial design, non-separable. Ideal for industrial applications requiring durability and precision. OEM/ODM service available.
Specifications
| Bore Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Width | 46 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
Description
High-performance roller bearing with double row design, offering long life, high speed, and low noise operation. Suitable for radial loads, this unseparated bearing is made of durable bearing steel and available in various precision classes and clearances.

















