Manufactured by CHG Bearing, the NN 3092 K/SPW33 is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 460 mm bore diameter, a 680 mm outer diameter, and a 163 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 3092 K/SPW33 - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN 3092 K/SPW33 |
| 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 | Annular Lubrication Groove and Lubrication Holes |
| Number of Flanges – Outer Ring | 0 |
| Number of Ribs – Inner Ring | 3 |
| Dimensions | |
| Bore Diameter (d) | 460 mm |
| Width (B) | 163 mm |
| Outer Diameter (D) | 680 mm |
| Minimum Chamfer Dimension rmin | 5 mm |
| Inner Ring Chamfer | 6 mm |
| Outer Ring Chamfer | 3 mm |
| End-face Height Difference h | 14.4 mm |
| Inner-Ring Land Diameter (L1 / d1) | 542 mm |
| Outer Ring Raceway Diameter E | 624 mm |
| Shaft Shoulder Diameter dₐ, min. | 483 mm |
| Housing Shoulder Diameter Dₐ, min. | 627 mm |
| Housing Shoulder Diameter Dₐ, max. | 657 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2600 kN |
| Basic Static Load Rating C₀ (kN) | 5500 kN |
| Limiting Speed – Grease (r/min) | 1000 r/min |
| Limiting Speed – Oil-air (r/min) | 1200 r/min |
| Fatigue Load Limit Pᵤ (kN) | 440 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 9480 N/µm |
| Material | |
| Lubrication Groove Width | 22.3 mm |
| Lubrication Holes (qty × Ø mm) | 12 |
| Weight (kg) | 194 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Machined Metal Cage |
NN 3092 K/SPW33 680 mm 460 mm 163 mm Frequently Asked Questions about NN 3092 K/SPW33 Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing NN 3092 K/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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing NN 3092 K/SPW33 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for NN 3092 K/SPW33. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Each NN 3092 K/SPW33 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (460 mm bore side) ensures perfect planar contact without edge binding.
