Manufactured by CHG Bearing, the NNCF5052V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 260 mm bore diameter, a 400 mm outer diameter, and a 190 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.

NNCF5052V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNCF5052V |
| 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) | 380 r/min |
| Limiting Speed — Oil (r/min) | 700 r/min |
| Dimensions | |
| Bore Diameter (d) | 260 mm |
| Width (B) | 190 mm |
| Outer Diameter (D) | 400 mm |
| Raceway Diameter Ew | 373.5 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 2690 kN |
| Basic Static Radial Load Rating C0r (kN) | 5200 kN |
| Material | |
| Mass (kg) | 82.7 kg |
| Chamfer Dimension r1,2 (min.) | 4 min. mm |
| Chamfer Dimension r3,4 (min.) | N/A min. mm |
NNCF5052V 260 mm 400 mm 190 mm Frequently Asked Questions about NNCF5052V 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 NNCF5052V, 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.
Every production batch of CHG Bearing NNCF5052V Full Complement Cylindrical Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
Built for demanding industrial environments, the NNCF5052V 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.
When fitting NNCF5052V over a 260 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.
