Manufactured by CHG Bearing, the NNCF5044V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 220 mm bore diameter, a 340 mm outer diameter, and a 160 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.
NNCF5044V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNCF5044V |
| 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) | 450 r/min |
| Limiting Speed — Oil (r/min) | 850 r/min |
| Dimensions | |
| Bore Diameter (d) | 220 mm |
| Width (B) | 160 mm |
| Outer Diameter (D) | 340 mm |
| Raceway Diameter Ew | 308.5 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 1570 kN |
| Basic Static Radial Load Rating C0r (kN) | 3080 kN |
| Material | |
| Mass (kg) | 50.7 kg |
| Chamfer Dimension r1,2 (min.) | 3 min. mm |
| Chamfer Dimension r3,4 (min.) | N/A min. mm |
NNCF5044V 220 mm 340 mm 160 mm Frequently Asked Questions about NNCF5044V Full Complement Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Open Type engineered for NNCF5044V 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.
To extend the trouble-free lifespan of CHG Bearing NNCF5044V, 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.
Model NNCF5044V is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 220 mm) and steep thermal gradients between inner and outer rings.
Standard batches of CHG Bearing NNCF5044V conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
