Manufactured by CHG Bearing, the NN 3026 KTN9/VQ497 is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 130 mm bore diameter, a 200 mm outer diameter, and a 52 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.
NN 3026 KTN9/VQ497 - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN 3026 KTN9/VQ497 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Cylindrical Roller Bearing |
| Design Type | Tapered Bore 1:12 |
| Structure (Drawing Reference) | Complete Bearing |
| Number of Rows | 2 |
| Ring Type | None |
| Design | NN Design |
| Tolerance Class | SP |
| Bearing Material | Bearing Steel |
| Coating | None |
| Sealing | None |
| Lubricant | None |
| Features | None |
| Number of Flanges – Outer Ring | 0 |
| Number of Ribs – Inner Ring | 3 |
| Dimensions | |
| Bore Diameter (d) | 130 mm |
| Width (B) | 52 mm |
| Outer Diameter (D) | 200 mm |
| Minimum Chamfer Dimension rmin | 2 mm |
| Inner Ring Chamfer | 2 mm |
| Outer Ring Chamfer | 1.1 mm |
| End-face Height Difference h | 3 mm |
| Inner-Ring Land Diameter (L1 / d1) | 156.4 mm |
| Outer Ring Raceway Diameter E | 182 mm |
| Shaft Shoulder Diameter dₐ, min. | 140 mm |
| Housing Shoulder Diameter Dₐ, min. | 183 mm |
| Housing Shoulder Diameter Dₐ, max. | 190 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 292 kN |
| Basic Static Load Rating C₀ (kN) | 500 kN |
| Limiting Speed – Grease (r/min) | 4300 r/min |
| Limiting Speed – Oil-air (r/min) | 4800 r/min |
| Reference Grease Quantity Gref (cm³) | 34.1 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 55 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 2900 N/µm |
| Material | |
| Weight (kg) | 5.37 kg |
| Radial Internal Clearance | NSTD mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 179.4 |
NN 3026 KTN9/VQ497 200 mm 130 mm 52 mm Frequently Asked Questions about NN 3026 KTN9/VQ497 Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Built for demanding industrial environments, the NN 3026 KTN9/VQ497 Super-Precision 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.
Beyond standard alloy steel, CHG Bearing can customize the NN 3026 KTN9/VQ497 Super-Precision 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.
To extend the trouble-free lifespan of CHG Bearing NN 3026 KTN9/VQ497, 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.
To safeguard CHG Bearing NN 3026 KTN9/VQ497 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (130 mm x 200 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
