Manufactured by CHG Bearing, the NNCF4934V is a precision Full Complement Cylindrical Roller Bearings. Key dimensional parameters include a 170 mm bore diameter, a 230 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.
NNCF4934V - Full Complement Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNCF4934V |
| 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) | 600 r/min |
| Limiting Speed — Oil (r/min) | 1200 r/min |
| Dimensions | |
| Bore Diameter (d) | 170 mm |
| Width (B) | 60 mm |
| Outer Diameter (D) | 230 mm |
| Raceway Diameter Ew | 212.2 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 415 kN |
| Basic Static Radial Load Rating C0r (kN) | 975 kN |
| Material | |
| Mass (kg) | 7.3 kg |
| Chamfer Dimension r1,2 (min.) | 2 min. mm |
| Chamfer Dimension r3,4 (min.) | N/A min. mm |
NNCF4934V 170 mm 230 mm 60 mm Frequently Asked Questions about NNCF4934V Full Complement Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing NNCF4934V 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.
Beyond standard alloy steel, CHG Bearing can customize the NNCF4934V Full Complement Cylindrical Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for NNCF4934V. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Yes, 100% of NNCF4934V 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.
