Manufactured by CHG Bearing, the NCF18/630V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 630 mm bore diameter, a 780 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.

NCF18/630V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NCF18/630V |
| 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) | 140 r/min |
| Limiting Speed — Oil (r/min) | 300 r/min |
| Dimensions | |
| Bore Diameter (d) | 630 mm |
| Width (B) | 69 mm |
| Outer Diameter (D) | 780 mm |
| Raceway Diameter Ew | 739 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 1470 kN |
| Basic Static Radial Load Rating C0r (kN) | 3400 kN |
| Material | |
| Mass (kg) | 68.8 kg |
| Chamfer Dimension r1,2 (min.) | 4 min. mm |
| Chamfer Dimension r3,4 (min.) | 4 min. mm |
NCF18/630V 780 mm 69 mm 630 mm Frequently Asked Questions about NCF18/630V Full Complement Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting NCF18/630V over a 630 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for NCF18/630V, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Each NCF18/630V 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 (630 mm bore side) ensures perfect planar contact without edge binding.
Built for demanding industrial environments, the NCF18/630V Full Complement Cylindrical Roller Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
