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
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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
| 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
| 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. | 22205 |
| Dimensions (mm) | 310*260*200 |
| Outer Dimension | 500 |
| Material | Bearing Steel |
| Precision Rating | P0 P6 P5 P4 P2 |
| Clearance | C0 C3 C4 |
Description
High-speed roller bearing with long life and low noise. Double row, unseparated design for radial load. Suitable for sea or air transport, available in large stock. Supports OEM/ODM service.
Specifications
| Outer Dimension | Large (200-430mm) |
| Type | Aligning Bearings |
| Material | Chrome Steel |
| Separated | Unseparated |
| Origin | China |
Description
High-performance chrome steel aligning bearing with large outer dimension (200-430mm), ideal for heavy-duty industrial applications requiring reliability and durability.
Specifications
| Bore Diameter | Varies by model |
| Outer Diameter | Varies by model |
| Width | Standard industrial dimensions |
| Model No. | 22220, 22221, 22222, 22310, 22311, 22312, 22314, 22316 |
| Type | Aligning Thrust Roller Bearing |
| Origin | China |
Description
High-performance aligning thrust roller bearings designed for heavy axial loads. Unseparated design ensures durability and reliable operation in industrial applications. Made to export packing standards with annual production capacity of one million pieces.
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
| 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
| Model No. | 23238, 22218, 24128, 23148, 21314, 241/950, 22208 |
| Type | Spherical Aligning Thrust Bearing |
| Load Direction | Thrust Bearing |
| Separated Type | Unseparated |
| Origin | China |
| Production Capacity | One Million Pieces Per Year |
Description
High-performance spherical aligning thrust bearings designed for heavy axial loads. These unseparated bearings ensure reliable operation under high speed and temperature conditions, ideal for industrial machinery applications.
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
| Bore Diameter | Varies by model (e.g., 22320, 22322, 22324) |
| Type | Spherical Roller Bearing |
| Load Direction | Thrust Bearing |
| Design | Unseparated, Aligning |
| Origin | China |
| Production Capacity | 1 Million Pieces/Year |
Description
High-performance spherical roller bearings designed for heavy thrust loads. These unseparated, self-aligning bearings offer reliable operation in demanding applications. Made to standard export specifications with consistent quality from a leading Chinese manufacturer.
Specifications
| Outer Dimension | Large (200-430mm) |
| Type | Aligning Bearings |
| Material | Chrome Steel |
| Origin | China |
| HS Code | 8482102000 |
Description
High-quality chrome steel aligning bearings with large outer dimension range (200-430mm), ideal for heavy-duty industrial applications. Durable, unseparated design ensures reliable performance. Packaged to meet customer requirements.

















