Manufactured by CHG Bearing, the NN 3010 KTN/SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 50 mm bore diameter, a 80 mm outer diameter, and a 23 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 3010 KTN/SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN 3010 KTN/SP |
| 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) | 50 mm |
| Width (B) | 23 mm |
| Outer Diameter (D) | 80 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Chamfer | 1 mm |
| Outer Ring Chamfer | 0.6 mm |
| End-face Height Difference h | 1.5 mm |
| Inner-Ring Land Diameter (L1 / d1) | 61.3 mm |
| Outer Ring Raceway Diameter E | 72.5 mm |
| Shaft Shoulder Diameter dₐ, min. | 55 mm |
| Housing Shoulder Diameter Dₐ, min. | 74 mm |
| Housing Shoulder Diameter Dₐ, max. | 75 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 52.8 kN |
| Basic Static Load Rating C₀ (kN) | 73.5 kN |
| Limiting Speed – Grease (r/min) | 11000 r/min |
| Limiting Speed – Oil-air (r/min) | 13000 r/min |
| Reference Grease Quantity Gref (cm³) | 2.7 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 8.5 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 1040 N/µm |
| Material | |
| Weight (kg) | 0.383 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 71.3 |
NN 3010 KTN/SP 80 mm 50 mm 23 mm Frequently Asked Questions about NN 3010 KTN/SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs NN 3010 KTN/SP 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.
Built for demanding industrial environments, the NN 3010 KTN/SP 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.
In its sealed configuration (Open Type), CHG Bearing pre-charges NN 3010 KTN/SP with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
The CHG Bearing NN 3010 KTN/SP is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
