Manufactured by CHG Bearing, the 8573/8520D is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 228.6 mm bore diameter, a 327.025 mm outer diameter, and a 114.3 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

8573/8520D - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 8573/8520D |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 228.6 mm |
| Width (B) | 114.3 mm |
| Outer Diameter (D) | 327.025 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.025 mm |
| Inner Ring Chamfer | 3.2 mm |
| Outer Ring Chamfer | 0.8 mm |
| Inner Ring Assembly Width Tolerance | 0 – +0.406 mm |
| Outer Ring Assembly Width | 87.313 mm |
| Outer Ring Assembly Width Tolerance | 0 – +0.406 mm |
| Shaft Abutment Diameter | 219.1 mm |
| Housing Abutment Diameter | 270.2 mm |
| Lubrication Hole Diameter | 5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 598 kN |
| Basic Static Load Rating C0 (kN) | 1410 kN |
| Material | |
| Mass (kg) | 16.1 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 10 mm |
| Roller Material | Bearing Steel |
8573/8520D 327.025 mm 228.6 mm 114.3 mm Frequently Asked Questions about 8573/8520D Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs 8573/8520D with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Absolutely. The CHG Bearing 8573/8520D Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 8573/8520D, FAG 8573/8520D, NSK 8573/8520D. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 8573/8520D, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To match diverse operational dynamics, CHG Bearing supplies 8573/8520D with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
