Manufactured by CHG Bearing, the NN 3026 TN9/SPW33 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 TN9/SPW33 - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN 3026 TN9/SPW33 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Cylindrical Roller Bearing |
| Design Type | Cylindrical Bore |
| 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 | Annular Lubrication Groove and Lubrication Holes |
| 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 |
| 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 | |
| Lubrication Groove Width | 8.3 mm |
| Lubrication Holes (qty × Ø mm) | 4.5 |
| Weight (kg) | 5.75 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 179.4 |
NN 3026 TN9/SPW33 200 mm 130 mm 52 mm Frequently Asked Questions about NN 3026 TN9/SPW33 Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing NN 3026 TN9/SPW33 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.
For international ocean and air freight, CHG Bearing packs NN 3026 TN9/SPW33 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Engineered according to international ISO boundary plans, CHG Bearing supplies NN 3026 TN9/SPW33 with a precision bore diameter (d) of 130 mm, an outside diameter (D) of 200 mm, and a nominal ring width (B) of 52 mm. This configuration yields an effective cross-sectional wall thickness of 35.0 mm and an envelope ratio (D/d) of 1.54, delivering compact rigidity for OEM machinery housings.
To extend the trouble-free lifespan of CHG Bearing NN 3026 TN9/SPW33, 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.
