Manufactured by CHG Bearing, the NN 3006/SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 30 mm bore diameter, a 55 mm outer diameter, and a 19 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.
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN 3006/SP NN 3006/SP |
| Brand | CHG® CHG® |
| Characteristics | |
| Bearing Type | Super-precision Cylindrical Roller Bearing Super-precision Cylindrical Roller Bearing |
| Design Type | Cylindrical Bore Cylindrical Bore |
| Structure (Drawing Reference) | Complete Bearing Complete Bearing |
| Number of Rows | 2 2 |
| Ring Type | None None |
| Design | NN Design NN Design |
| Tolerance Class | SP SP |
| Bearing Material | Bearing Steel Bearing Steel |
| Coating | None None |
| Sealing | None None |
| Lubricant | None None |
| Features | None None |
| Number of Flanges – Outer Ring | 0 0 |
| Number of Ribs – Inner Ring | 3 3 |
| Dimensions | |
| Bore Diameter (d) | 30 mm |
| Width (B) | 19 mm |
| Outer Diameter (D) | 55 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Chamfer (min.) | 1 mm |
| End-face Height Difference h | 1.5 mm |
| Inner-Ring Land Diameter (L1 / d1) | 40.1 mm |
| Outer Ring Raceway Diameter E | 48.5 mm |
| Shaft Shoulder Diameter dₐ, min. | 35 mm |
| Housing Shoulder Diameter Dₐ, min. | 49 mm |
| Housing Shoulder Diameter Dₐ, max. | 50 mm |
| Performance | |
| Basic Dynamic Load Rating C | 30.8 kN 6.92 klbf |
| Basic Static Load Rating C₀ | 37.5 kN 8.43 klbf |
| Limiting Speed – Grease | 16000 r/min 16000 r/min |
| Limiting Speed – Oil-air | 18000 r/min 18000 r/min |
| Reference Grease Quantity Gref (cm³) | 1 cm³ 1 cm³ |
| Fatigue Load Limit Pᵤ | 4 kN 0.9 klbf |
| Axial Static Stiffness – Guideline Value (N/µm) | 690 N/µm 690 N/µm |
| Material | |
| Weight | 0.194 kg 0.4277 lb |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Machined Metal Cage Machined Metal Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 47.7 47.7 |
NN 3006/SP 55 mm 30 mm 19 mm Frequently Asked Questions about NN 3006/SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing NN 3006/SP 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.
Yes, 100% of NN 3006/SP Super-Precision 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.
Sourcing NN 3006/SP directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Super-Precision Cylindrical Roller Bearings.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for NN 3006/SP. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
