Manufactured by CHG Bearing, the NNCF4844V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 220 mm bore diameter, a 270 mm outer diameter, and a 50 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.

NNCF4844V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNCF4844V |
| 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) | 530 r/min |
| Limiting Speed — Oil (r/min) | 1000 r/min |
| Dimensions | |
| Bore Diameter (d) | 220 mm |
| Width (B) | 50 mm |
| Outer Diameter (D) | 270 mm |
| Raceway Diameter Ew | 256.9 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 340 kN |
| Basic Static Radial Load Rating C0r (kN) | 905 kN |
| Material | |
| Mass (kg) | 6.4 kg |
| Chamfer Dimension r1,2 (min.) | 1.5 min. mm |
| Chamfer Dimension r3,4 (min.) | N/A min. mm |
NNCF4844V 220 mm 270 mm 50 mm Frequently Asked Questions about NNCF4844V Full Complement Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing NNCF4844V, 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.
For international ocean and air freight, CHG Bearing packs NNCF4844V with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for NNCF4844V, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Sourcing NNCF4844V 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 Full Complement Cylindrical Roller Bearings.
