21311E/21311EK Spherical Roller Bearing – Self-Aligning, High-Load, Premium Quality
Basic Info.
| Inner Diameter | 55 mm |
| Outer Diameter | 120 mm |
| Thickness | 29 mm |
| Model NO. | 21311 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
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 heavy radial loads. Dimensions: 55×120×29 mm. Made in China.
Basic Info.
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Related Products
Basic Info.
| Inner Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Thickness | 46 mm |
| Model NO. | 22344 / 22348 / 22352 / 22356 |
| 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, spherical aligning design, and compliance with P0–P2 precision ratings. Suitable for heavy radial loads in industrial applications.
Basic Info.
| Inner Diameter | 10 mm |
| Outer Diameter | 30 mm |
| Thickness | 9 mm |
| Model NO. | 1202 |
| Material | Bearing Steel |
| Origin | Japan |
Introduction
This is a double-row, spherical roller bearing (NSK brand) designed for radial load applications. Made of high-grade bearing steel, it features self-aligning capability and unseparated construction. Suitable for OEM/ODM use with standard carton pallet packaging.
Specification
| Inner Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Thickness | 46 mm |
| Model NO. | 23144, 23148, 23152, 23156, 23160 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Load Direction | Radial Bearing |
Introduction
High-performance double-row spherical roller bearing made of bearing steel. Features long life, high speed, low noise, and rich stock availability. Suitable for heavy radial loads with self-aligning capability. OEM/ODM service supported. Transport options: sea or air.
Product Parameters
| Bore Diameter | 100 mm |
| Outer Diameter | 215 mm |
| Width | 47 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
Description
High-precision roller bearing with double row design, made of durable bearing steel. Suitable for radial loads, featuring aligning capability and unseparated structure. Ideal for industrial applications requiring reliability and performance.
Basic Info.
| Inner Diameter | 25 mm |
| Outer Diameter | 62 mm |
| Thickness | 17 mm |
| Model NO. | 22205CDE4 |
| Brand | NSK |
| Origin | Japan |
High-precision roller bearing with radial load capacity, made of bearing steel. Features single-row, non-aligning design and separated structure. Suitable for OEM/ODM applications. Dimensions: 25×62×17 mm.
Basic Info.
| Inner Diameter | — |
| Outer Diameter | 500 mm |
| Thickness | 310×260×200 mm |
| Model No. | 22205 |
| Bearing Type | Double-row Spherical Roller Bearing |
| Material | Bearing Steel |
High-performance double-row spherical roller bearing with rich stock, long life, high speed, and low noise. Suitable for heavy radial loads. Precision ratings: P0/P6/P5/P4/P2. Clearance options: C0/C3/C4. Origin: China. HS Code: 8482103000.
Basic Info.
| Inner Diameter | 30 mm |
| Outer Diameter | 72 mm |
| Thickness | 23 mm |
| Model No. | 2207-2RS |
| Material | Bearing Steel |
| Origin | Japan |
Introduction
This is a double-row radial roller bearing (NSK 2207-2RS), made of high-grade bearing steel, featuring spherical aligning capability and unseparated design. Suitable for heavy radial loads with excellent durability and precision.
Basic Info.
| Inner Diameter | 85 mm |
| Outer Diameter | 150 mm |
| Thickness | 36 mm |
| Model NO. | 22217 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
High-precision double-row spherical roller bearing (NSK 22217), made of premium bearing steel. Features long life, high speed, low noise, and self-aligning capability. Suitable for heavy radial loads. Dimensions: 85×150×36 mm. Rich stock available. OEM/ODM supported.
Basic Info.
| Inner Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Thickness | 46 mm |
| Model NO. | 23044 / 23048 / 23052 / 23056 / 23060 |
| Precision Rating | P0 / P6 / P5 / P4 / P2 |
| Load Direction | Radial Bearing |
Introduction
High-precision double-row roller bearings made of bearing steel, featuring long life, high speed, low noise, and self-aligning capability. Rich stock available. OEM/ODM supported. Export-ready with HS Code 8482300000.
Specifications
| Bore Diameter | 100 mm |
| Outer Diameter | 215 mm |
| Width | 47 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
Description
This precision roller bearing features a double-row design with high load capacity. Made from durable bearing steel, it offers excellent performance in radial applications. Available in various precision and clearance grades, it supports OEM/ODM services and is ideal for industrial machinery use.
Specifications
| Model No. | 23030CA |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Rolling Body | Roller Bearings |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
This precision roller bearing features high-quality bearing steel construction with options for multiple precision ratings and clearances. Designed as a double-row radial bearing, it ensures reliable performance in demanding applications. The unseparated design supports robust load handling with dimensional stability.
Basic Specifications
| Inner Diameter | 95 mm |
|---|---|
| Outer Diameter | 200 mm |
| Thickness | 45 mm |
| Model No. | 21319 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Product Overview
High-precision double-row roller bearing with long life, high speed, and low noise. Features P0–P2 precision ratings, C0–C4 clearance options, rich stock availability, and OEM/ODM service. Designed for radial load applications, compliant with HS Code 8482300000.

















