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
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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 | 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. | 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 | 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
| 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 | 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. | 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 | 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
| 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
| 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 | 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.

















