Manufactured by CHG Bearing, the NCF28/670V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 670 mm bore diameter, a 820 mm outer diameter, and a 88 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.
NCF28/670V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NCF28/670V |
| Brand | CHG® |
| Rolling Element | Cylindrical Roller |
| Construction | Single Row; Full Complement (No Cage) |
| Characteristics | |
| Bearing Type | Single-Row Full-Complement Cylindrical Roller Bearing |
| Series | NCF |
| Load Direction | Radial |
| Limiting Speed — Grease (r/min) | 130 r/min |
| Limiting Speed — Oil (r/min) | 280 r/min |
| Dimensions | |
| Bore Diameter (d) | 670 mm |
| Width (B) | 88 mm |
| Outer Diameter (D) | 820 mm |
| Raceway Diameter Ew | 783 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 2040 kN |
| Basic Static Radial Load Rating C0r (kN) | 5340 kN |
| Material | |
| Mass (kg) | 90.8 kg |
| Chamfer Dimension r1,2 (min.) | 4 min. mm |
| Chamfer Dimension r3,4 (min.) | 4 min. mm |
NCF28/670V 820 mm 88 mm 670 mm Frequently Asked Questions about NCF28/670V Full Complement Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing NCF28/670V Full Complement Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF NCF28/670V, FAG NCF28/670V, NSK NCF28/670V. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, 100% of NCF28/670V 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.
In its sealed configuration (Open Type), CHG Bearing pre-charges NCF28/670V 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.
To extend the trouble-free lifespan of CHG Bearing NCF28/670V, 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.
