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. | 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
| Bore Diameter | 30 mm |
| Outer Diameter | 62 mm |
| Width | 20 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
Overview
High-quality BDL brand roller bearing with double row, radial design. Features long life, high speed, and low noise performance. Suitable for various industrial 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 | Varies by model |
| Outer Diameter | 200-430mm (Large) |
| Thickness | Standard industrial size |
| Bearing Type | Aligning Spherical Bearings |
| Material | Chrome Steel |
| Origin | China |
Description
High-performance large-size spherical roller bearings made from durable chrome steel. Ideal for heavy-duty industrial applications requiring reliable alignment and load capacity. Supplied unseparated, ready for integration into various machinery systems.
Specifications
| Model No. | 23248 |
| Dimensions | 240*440*160mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
| Feature | High Speed, Low Noise, Long Life |
Overview
This high-performance roller bearing features a double-row design with aligning capability, ideal for radial loads. Made from durable bearing steel, it ensures long life, high speed, and low noise operation. Suitable for both sea and air transport, it is available in rich stock with OEM/ODM support.
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. Double-row radial design, unseparated structure, suitable for high-load applications. Made of high-quality bearing steel, ensuring durability and performance. Ideal for industrial machinery requiring precision and reliability.
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 (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
| Bore Diameter | Available in multiple sizes (Model: 21307-21314) |
| Type | Spherical Aligning Thrust Bearing |
| Design | Unseparated, Medium Roller Bearing |
| Origin & HS Code | China, 84823000 |
| Packaging | Export Packing Standard |
| Capacity | 1,000,000 pieces/year |
Description
High-performance spherical thrust roller bearings designed for heavy axial loads. Ideal for industrial applications requiring durability and precision.
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
| 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
| 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.

















