Manufactured by CHG Bearing, the 80780/80720P5 is a precision Single Row Tapered Roller Bearings. Key dimensional parameters include a 635 mm bore diameter, a 736.6 mm outer diameter, and a N/A 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.

80780/80720P5 - Single Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 80780/80720P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Tapered Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 635 mm |
| Width (B) | N/A mm |
| Outer Diameter (D) | 736.6 mm |
| Outer Ring Width C | 41.275 mm |
| Bore Diameter Tolerance | 0 – +0.038 mm |
| Outside Diameter Tolerance | 0 – +0.038 mm |
| Inner Ring Chamfer | 3.3 min mm |
| Outer Ring Chamfer | 3.3 min mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Overall Bearing Width Tolerance | N/A mm |
| Inner Ring Width B | 53.975 mm |
| Inner Ring Width Tolerance | N/A mm |
| Outer Ring Width Tolerance | N/A mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 647 kN |
| Basic Static Load Rating C0 (kN) | 1810 kN |
| Material | |
| Mass (kg) | 34.5 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel |
80780/80720P5 736.6 mm 635 mm N/A mm Frequently Asked Questions about 80780/80720P5 Single Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every production batch of CHG Bearing 80780/80720P5 Single 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 80780/80720P5 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Each 80780/80720P5 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 (635 mm bore side) ensures perfect planar contact without edge binding.
The CHG Bearing 80780/80720P5 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
