Manufactured by CHG Bearing, the 777/774P5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 774 mm bore diameter, a 1130 mm outer diameter, and a 690 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.
777/774P5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 777/774P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 774 mm |
| Width (B) | 690 mm |
| Outer Diameter (D) | 1130 mm |
| Bore Diameter Tolerance | -0.05 – 0 mm |
| Outside Diameter Tolerance | -0.075 – 0 mm |
| Inner Ring Chamfer | 4 min mm |
| Outer Ring Chamfer | 7.5 min mm |
| Inner Ring Assembly Width Tolerance | -1.2 – +1.2 mm |
| Outer Ring Assembly Width | 690 mm |
| Outer Ring Assembly Width Tolerance | -1.2 – +1.2 mm |
| Shaft Abutment Diameter | 820 mm |
| Housing Abutment Diameter | 1055 mm |
| Lubrication Hole Diameter | 20 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 17900 kN |
| Basic Static Load Rating C0 (kN) | 51400 kN |
| Material | |
| Mass (kg) | 2400 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel |
| Lubrication Groove Width | 30 mm |
777/774P5 1130 mm 774 mm 690 mm Frequently Asked Questions about 777/774P5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of 777/774P5 Four-Row Tapered Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
To extend the trouble-free lifespan of CHG Bearing 777/774P5, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Sourcing 777/774P5 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 777/774P5 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 (774 mm bore side) ensures perfect planar contact without edge binding.
