Manufactured by CHG Bearing, the NNCF5084V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 420 mm bore diameter, a 620 mm outer diameter, and a 272 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.
NNCF5084V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNCF5084V |
| Brand | CHG® |
| Rolling Element | Cylindrical Roller |
| Construction | Double Row; Full Complement (No Cage) |
| Characteristics | |
| Bearing Type | Double-Row Full-Complement Cylindrical Roller Bearing |
| Series | NNCF |
| Load Direction | Radial |
| Limiting Speed — Grease (r/min) | 200 r/min |
| Limiting Speed — Oil (r/min) | 430 r/min |
| Dimensions | |
| Bore Diameter (d) | 420 mm |
| Width (B) | 272 mm |
| Outer Diameter (D) | 620 mm |
| Raceway Diameter Ew | 577.7 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 5150 kN |
| Basic Static Radial Load Rating C0r (kN) | 11300 kN |
| Material | |
| Mass (kg) | 267 kg |
| Chamfer Dimension r1,2 (min.) | 5 min. mm |
| Chamfer Dimension r3,4 (min.) | N/A min. mm |
NNCF5084V 420 mm 620 mm 272 mm Frequently Asked Questions about NNCF5084V Full Complement Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
In its sealed configuration (Open Type), CHG Bearing pre-charges NNCF5084V with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Yes, 100% of NNCF5084V Full Complement Cylindrical 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 NNCF5084V, 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.
To safeguard CHG Bearing NNCF5084V against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (420 mm x 620 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
