21311E 21311EK Spherical Roller Bearing – Self-Aligning, High-Load
Basic Info.
| Inner Diameter | 55 mm |
| Outer Diameter | 120 mm |
| Thickness | 29 mm |
| Model NO. | 21311 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Introduction
High-precision double-row roller bearing with long life, high speed, and low noise. Features rich stock, OEM/ODM service, and aligning capability. Suitable for radial loads. Dimensions: 55×120×29 mm. Made in China.
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
| Model No. | 24032, 23238, 22218, 24128, 23148, 21314, 241/950 |
| Type | Aligning Thrust Roller Bearing |
| Load Direction | Thrust |
| Separated | Unseparated |
| Origin | China |
| Production Capacity | One Million Pieces Per Year |
Description
High-performance spherical thrust roller bearings with medium size design, ideal for heavy axial loads and misalignment conditions. Made in China with export-standard packaging.
Specifications
| Model No. | 21319 |
| Dimensions (mm) | 95*200*45 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
| Feature | High Speed, Low Noise, Long Life |
Description
This high-performance bearing offers precision engineering with P0-P2 accuracy, ideal for high-speed applications. Made from durable bearing steel, it ensures long life and low noise operation. The double-row radial design provides excellent load capacity, while standard clearance options (C0-C4) allow for flexible integration into various mechanical systems.
Specifications
| Model No. | 33328 22330 22332 22334 22336 22338cak/W33, Ca, Cc |
| 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 roller thrust bearing designed for heavy axial loads with excellent alignment capability. Made in China, suitable for industrial applications requiring durability and reliability.
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 double row design, offering long life, high speed, and low noise operation. Suitable for radial loads, this unseparated aligning bearing is ideal for industrial applications requiring reliability and precision.
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
| 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
| Outer Dimension | Large (200-430mm) |
| Type | Aligning Bearings |
| Material | Chrome Steel |
| Separated | Unseparated |
| Origin | China |
| HS Code | 8482102000 |
Description
High-quality chrome steel aligning bearing with large outer dimension (200-430mm), unseparated design, suitable for heavy-duty applications. Made in China, compliant with HS Code 8482102000.
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 | 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 | 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 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.

















