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SKF Tapered Roller Bearing 45 mm ID 75 mm OD Double Row Steel Rollers Non-Metallic Cage NN 3009 KTN/SP
Specifications
| Country of Origin | Italy |
|---|---|
| Brand | SKF |
| Model | NN 3009 KTN/SP |
| Series | NN 30 |
| Outside diameter | 75mm |
| Roller Material | Steel |
| Inside Diameter | 45mm |
| Bearing Material | Steel |
| Number of Rows | 2 |
| Internal Clearance | C1 |
| Bore Type | Tapered 1:12 |
| Cage Material | Non-Metallic |
| Race Width | 23mm |
| Static Load Rating | 65.5kN |
| Race Type | Flanged |
| Dynamic Load Rating | 50.1kN |
| Maximum Speed - Oil | 14000rpm |
| Maximum Speed - Grease | 12000rpm |
| Tapered 1 | 12 |
| Bore TypeTapered 1 | 12 |
| The inner bore is tapered at 1 | 12 and requires a matching taper sleeve or tapered shaft seating for correct fitting |
| SKF NN 3009 KTN/SP Tapered 1 | 12 45 mm ID Roller Bearing, 75 mm OD |
Key Features
- Designed with C1 internal clearance reducing endplay for preload control.
- Steel rollers provide strong contact strength under heavy loads.
- Non-metallic cage reduces noise and frictional losses during operation.
- Flanged outer race facilitates axial location in assembly.
- Rated for 65.5 kN static and 50.1 kN dynamic loads supporting heavy stationary and operational forces.
- Operates up to 14000 rpm with oil lubrication and 12000 rpm with grease lubrication.
- Manufactured in Italy ensuring premium quality and reliability.
Product Description
SKF NN 3009 KTN/SP is a high-quality tapered roller bearing designed for demanding industrial and mechanical applications. Featuring a precise 1:12 tapered bore with a 45 mm inside diameter and 75 mm outside diameter, this double-row bearing provides exceptional load capacity and reliability.
The bearing’s C1 internal clearance minimizes axial play, enabling effective preload control essential for maintaining alignment and reducing wear in rotating assemblies. Its steel roller elements deliver superior contact strength to manage both static and dynamic loads, rated at 65.5 kN and 50.1 kN respectively.
The non-metallic cage construction reduces noise and friction, enhancing performance and extending service life. Additionally, the flanged outer race aids accurate axial location during installation, crucial for gearboxes, wheelset assemblies, spindles, and other rotating systems requiring tapered bore mounting.
Operational speeds are robust, supporting up to 14,000 rpm when operated with oil lubrication and 12,000 rpm under grease lubrication, catering to high-speed industrial equipment. The bearing is manufactured in Italy, conforming to SKF’s standards for durability and precision engineering.
Reduced internal clearance for preload control. Tapered bore design for secure shaft fitting. Steel rollers ensure high strength under load. Non-metallic cage lowers noise and friction. Flanged race improves axial positioning.
High static and dynamic load ratings. Supports high rotational speeds with appropriate lubrication. Italian-made quality and reliability.
This bearing is ideal for industrial machinery, gearboxes, axle-end assemblies, spindles, and applications requiring precise axial alignment and durable load support. The tapered 1:12 bore contraction requires a compatible taper sleeve or shaft for installation. Choose SKF NN 3009 KTN/SP for superior Tapered Roller Bearing performance and long operational life.
Explore more bearings and mechanical spares from SKF and EnvMart for your industrial equipment needs.
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Frequently Asked Questions
This model has an inside diameter of 45 mm and an outside diameter of 75 mm, with a race width of 23 mm.
It can operate at speeds up to 14,000 rpm with oil lubrication and 12,000 rpm with grease lubrication.
The static load rating is 65.5 kN, while the dynamic load rating is 50.1 kN.
This bearing features a non-metallic cage, which helps reduce noise and friction during operation.
It has a C1 internal clearance, which minimizes axial play and aids in preload control.
The bore type is tapered at a ratio of 1:12, requiring a matching taper sleeve or tapered shaft for proper fitting.
This bearing is manufactured in Italy, ensuring quality and reliability.
It has a flanged race type, which aids in accurate axial location during installation.
It is suitable for industrial machinery, gearboxes, axle-end assemblies, and spindles requiring precise axial alignment and load support.
The tapered bore design ensures secure fitting on shafts, which is crucial for maintaining alignment in rotating assemblies.
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