Manufactured by CHG Bearing, the N 1009 KTNHA/SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 45 mm bore diameter, a 75 mm outer diameter, and a 16 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.
N 1009 KTNHA/SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1009 KTNHA/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 | 1 |
| Ring Type | None |
| Design | High-speed 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 | 2 |
| Dimensions | |
| Bore Diameter (d) | 45 mm |
| Width (B) | 16 mm |
| Outer Diameter (D) | 75 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Chamfer | 0.6 mm |
| End-face Height Difference h | 2 mm |
| Inner-Ring Land Diameter (L1 / d1) | 56.3 mm |
| Outer Ring Raceway Diameter E | 67.5 mm |
| Shaft Shoulder Diameter dₐ, min. | 50 mm |
| Housing Shoulder Diameter Dₐ, min. | 69 mm |
| Housing Shoulder Diameter Dₐ, max. | 70 mm |
| Permissible Axial Displacement s₁, max. – TNHA Cage Option | 1.5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 28.1 kN |
| Basic Static Load Rating C₀ (kN) | 31 kN |
| Limiting Speed – Grease (r/min) | 20000 r/min |
| Limiting Speed – Oil-air (r/min) | 28000 r/min |
| Reference Grease Quantity Gref (cm³) | 3.2 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 3.65 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 460 N/µm |
| Material | |
| Weight (kg) | 0.24 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
N 1009 KTNHA/SP 75 mm 45 mm 16 mm Frequently Asked Questions about N 1009 KTNHA/SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
In its sealed configuration (Open Type), CHG Bearing pre-charges N 1009 KTNHA/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.
Yes, 100% of N 1009 KTNHA/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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for N 1009 KTNHA/SP. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Absolutely. The CHG Bearing N 1009 KTNHA/SP Super-Precision Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF N 1009 KTNHA/SP, FAG N 1009 KTNHA/SP, NSK N 1009 KTNHA/SP. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
