Manufactured by CHG Bearing, the NNCF4992V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 460 mm bore diameter, a 620 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.

NNCF4992V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNCF4992V |
| 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) | 190 r/min |
| Limiting Speed — Oil (r/min) | 400 r/min |
| Dimensions | |
| Bore Diameter (d) | 460 mm |
| Width (B) | 160 mm |
| Outer Diameter (D) | 620 mm |
| Raceway Diameter Ew | 577 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 3050 kN |
| Basic Static Radial Load Rating C0r (kN) | 8050 kN |
| Material | |
| Mass (kg) | 142 kg |
| Chamfer Dimension r1,2 (min.) | 4 min. mm |
| Chamfer Dimension r3,4 (min.) | N/A min. mm |
NNCF4992V 460 mm 620 mm 160 mm Frequently Asked Questions about NNCF4992V Full Complement Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As standard production, CHG Bearing subjects NNCF4992V to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
Every production batch of CHG Bearing NNCF4992V 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for NNCF4992V, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Model NNCF4992V 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 460 mm) and steep thermal gradients between inner and outer rings.
