Manufactured by CHG Bearing, the NCF18/670V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 670 mm bore diameter, a 820 mm outer diameter, and a 69 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.
NCF18/670V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NCF18/670V |
| 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) | 69 mm |
| Outer Diameter (D) | 820 mm |
| Raceway Diameter Ew | 783 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 1520 kN |
| Basic Static Radial Load Rating C0r (kN) | 3550 kN |
| Material | |
| Mass (kg) | 72.7 kg |
| Chamfer Dimension r1,2 (min.) | 4 min. mm |
| Chamfer Dimension r3,4 (min.) | 4 min. mm |
NCF18/670V 820 mm 69 mm 670 mm Frequently Asked Questions about NCF18/670V Full Complement Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting NCF18/670V over a 670 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
To safeguard CHG Bearing NCF18/670V against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (670 mm x 820 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Absolutely. The CHG Bearing NCF18/670V Full Complement Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF NCF18/670V, FAG NCF18/670V, NSK NCF18/670V. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
The Open Type engineered for NCF18/670V by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
