Manufactured by CHG Bearing, the NNCF4852V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 260 mm bore diameter, a 320 mm outer diameter, and a 60 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.

NNCF4852V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNCF4852V |
| 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) | 430 r/min |
| Limiting Speed — Oil (r/min) | 800 r/min |
| Dimensions | |
| Bore Diameter (d) | 260 mm |
| Width (B) | 60 mm |
| Outer Diameter (D) | 320 mm |
| Raceway Diameter Ew | 304.7 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 515 kN |
| Basic Static Radial Load Rating C0r (kN) | 1450 kN |
| Material | |
| Mass (kg) | 11 kg |
| Chamfer Dimension r1,2 (min.) | 2 min. mm |
| Chamfer Dimension r3,4 (min.) | N/A min. mm |
NNCF4852V 260 mm 320 mm 60 mm Frequently Asked Questions about NNCF4852V 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 NNCF4852V, 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing NNCF4852V correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Built for demanding industrial environments, the NNCF4852V 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.
Yes, 100% of NNCF4852V Full Complement Cylindrical Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
