Manufactured by CHG Bearing, the NNCF4930V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 150 mm bore diameter, a 210 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.

NNCF4930V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNCF4930V |
| 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) | 670 r/min |
| Limiting Speed — Oil (r/min) | 1400 r/min |
| Dimensions | |
| Bore Diameter (d) | 150 mm |
| Width (B) | 60 mm |
| Outer Diameter (D) | 210 mm |
| Raceway Diameter Ew | 192 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 390 kN |
| Basic Static Radial Load Rating C0r (kN) | 865 kN |
| Material | |
| Mass (kg) | 6.6 kg |
| Chamfer Dimension r1,2 (min.) | 2 min. mm |
| Chamfer Dimension r3,4 (min.) | N/A min. mm |
NNCF4930V 150 mm 210 mm 60 mm Frequently Asked Questions about NNCF4930V Full Complement Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing NNCF4930V 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.
Yes, 100% of NNCF4930V 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for NNCF4930V, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To ensure optimum performance of CHG Bearing NNCF4930V Full Complement Cylindrical Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 150 mm bore. For the 210 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
