Manufactured by CHG Bearing, the 3806/558.8X2 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 558.8 mm bore diameter, a 736.6 mm outer diameter, and a 455.612 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.
3806/558.8X2 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 3806/558.8X2 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 558.8 mm |
| Width (B) | 455.612 mm |
| Outer Diameter (D) | 736.6 mm |
| Bore Diameter Tolerance | 0 – +0.051 mm |
| Outside Diameter Tolerance | 0 – +0.076 mm |
| Inner Ring Chamfer | 3.3 min mm |
| Outer Ring Chamfer | 6.4 min mm |
| Inner Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Outer Ring Assembly Width | 457.2 mm |
| Outer Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Lubrication Hole Diameter | 10 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 7160 kN |
| Basic Static Load Rating C0 (kN) | 23500 kN |
| Material | |
| Mass (kg) | 531 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel |
| Lubrication Groove Width | 19.05 mm |
3806/558.8X2 736.6 mm 558.8 mm 455.612 mm Frequently Asked Questions about 3806/558.8X2 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 3806/558.8X2 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Four-Row Tapered Roller Bearings.
Each 3806/558.8X2 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (558.8 mm bore side) ensures perfect planar contact without edge binding.
Every production batch of CHG Bearing 3806/558.8X2 Four-Row Tapered Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
Absolutely. The CHG Bearing 3806/558.8X2 Four-Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 3806/558.8X2, FAG 3806/558.8X2, NSK 3806/558.8X2. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
