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Лагери ZARF 3080 TNA-NA INA
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The INA ZARF 3080 TNA-NA is a double-direction axial needle roller and cage assembly engineered for screw drive systems. This bearing combines needle rollers with a polyamide cage to provide high load capacity and operational reliability.
Technical Specifications:
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Dimensions:
- Inner diameter (d): 30 mm
- Outer diameter (D): 80 mm
- Width (B): 50 mm
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Load Ratings:
- Basic dynamic load rating, axial (Ca): 39,000 N
- Basic static load rating, axial (C0a): 101,000 N
- Basic dynamic load rating, radial (Cr): 24,300 N
- Basic static load rating, radial (C0r): 41,500 N
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Speed Limits:
- Limiting speed for oil lubrication (nG): 5,500 rpm
- Limiting speed for grease lubrication (nG): 1,800 rpm
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Design Features:
- Polyamide cage (TN)
- Double-direction design
- No seal
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Mounting Dimensions:
- Maximum diameter of housing shoulder (Da max): 53 mm
- Minimum diameter of shaft shoulder (da min): 44 mm
- Height outer ring over wave washer (H1): 33 mm
- Width, outer ring (C): 18 mm
- Width, inner ring (C1): 10 mm
- Distance to lubrication hole (D1): 52 mm
- Pitch circle diameter (holes) (J): 63 mm
- Number of screwing holes (n): 12
- Screw size (M6)
- Division (screwing holes) (na x ta): 30°
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Additional Information:
- Operating temperature range: -30°C to 120°C
- Axial rigidity (caL): 2,200 N/µm
- Tilting stiffness (ckL): 520 Nm/mrad
- Mass moment of inertia (Mm): 1.46 kg·cm²
- Axial runout radial (ZMA30/52): 1 µm
- Recommended INA precision locknut for radial locking: MA
- Tightening torque nut (MA): 32 Nm
This bearing is ideal for applications requiring high axial load capacity and precise rotational performance, such as in screw drive systems.
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INA Bearings and Transmission Technology Manufacturer
INA is a globally recognized manufacturer specializing in high-quality bearings and transmission technology. As a key brand within the renowned Schaeffler Group, INA has established itself as a pioneer in precision components and systems for various industries worldwide.
Company History
INA was founded in 1946 in Herzogenaurach, Germany. Since its inception, the company has focused on developing innovative bearing solutions and transmission systems, contributing significantly to the advancement of mechanical engineering and automotive technology. Over the decades, INA expanded its product portfolio and global footprint, ultimately becoming an integral part of the Schaeffler Group, one of the world’s leading automotive and industrial suppliers.
Product Range
INA offers a comprehensive range of products tailored for multiple industrial sectors. Key offerings include:
- Rolling Bearings: Ball bearings, roller bearings, needle roller bearings designed for durability and precision.
- Plain Bearings: Sleeve bearings, thrust washers, and self-lubricating bearings suitable for various applications.
- Linear Technology: Linear guides, sliding units, and linear bearings for automation and machine tools.
- Transmission Components: Bushings, belt tensioners, clutches, chain adjusters, and chain guides used in automotive and industrial drive systems.
- Engine Components: Camshaft and crankshaft bearings designed to optimize engine performance and reliability.
Main Focus
INA focuses on delivering high-performance bearing and transmission solutions that enhance machine efficiency, reduce friction, and increase lifespan. Innovation, quality, and sustainability are at the core of INA’s operations, ensuring products meet rigorous industry standards and customer requirements.
Application Areas
INA’s products serve a wide array of industries, including:
- Automotive Industry: Engine components, transmission systems, and chassis bearings to improve vehicle performance.
- Industrial Machinery: Rolling mill bearings, linear guides, and heavy machinery components.
- Aerospace: Lightweight precision bearings designed for demanding aerospace applications.
- Renewable Energy: Bearings and transmission technology for wind turbines and other sustainable energy systems.
- Railway and Transportation: Robust solutions that withstand extreme conditions and continuous operation.
Company Headquarters
The headquarters of INA is located in Herzogenaurach, Germany. This strategic location serves as a central hub for research, development, and production, supporting INA’s global distribution network.