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Лагер NJ 311 URB
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Bearing NJ 311 URB
The NJ 311 URB is a high-quality cylindrical roller bearing designed for heavy-duty applications requiring reliable performance and durability. Manufactured with precision engineering, this bearing is ideal for use in various industrial machinery, including electric motors, gearboxes, and conveyors.
This bearing features a single row cylindrical roller design with an inner ring equipped with two ribs and an outer ring without ribs. Such a configuration allows the NJ 311 URB to accommodate high radial loads while enabling axial displacement in both directions, making it suitable for applications where thermal expansion or shaft deflection occurs.
Constructed with robust materials and treated for enhanced wear resistance, the NJ 311 URB ensures long service life under demanding operational conditions. The bearing's design conforms to international standards, ensuring compatibility and interchangeability with other standard cylindrical roller bearings.
- Type: Cylindrical roller bearing, single row (NJ design)
- Load Capacity: High radial load support
- Axial Load: Supports limited axial displacement in both directions
- Construction: Inner ring with two ribs, outer ring without ribs
- Typical Applications: Electric motors, gearboxes, heavy machinery
Due to the standard designation NJ 311, the bearing dimensions are standardized as follows:
- Inner diameter (d): 55 mm
- Outer diameter (D): 120 mm
- Width (B): 29 mm
These dimensions make the NJ 311 URB suitable for medium to large-scale machinery where robust radial load capacity and precise shaft guidance are essential. Choosing this bearing ensures smooth operation, reduced maintenance intervals, and overall system reliability.
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URB Bearings and Transmission Technology Manufacturer
About URB
URB is a renowned manufacturer specializing in high-quality bearings and advanced transmission technology solutions. With decades of experience in the industry, URB has established itself as a trusted name for providing durable, reliable, and innovative products that cater to diverse industrial applications.
History of URB
Founded several decades ago, URB has continuously evolved to meet the growing demands of the mechanical and automotive industries. The company began as a small-scale bearing manufacturer and has since expanded its capabilities, integrating cutting-edge transmission technologies to serve both domestic and international markets.
Product Range
URB offers a comprehensive selection of products that focus on precision and performance. Their product portfolio includes:
- Rolling Bearings: Ball bearings, roller bearings, and needle bearings suitable for various mechanical applications.
- Transmission Components: Gears, gearboxes, and power transmission units designed for optimal torque and speed management.
- Customized Solutions: Tailor-made bearing assemblies and transmission units engineered to meet specific customer requirements.
- Sealing and Lubrication Systems: Integrated solutions that enhance bearing life and operational efficiency.
Main Focus and Technologies
URB is committed to innovation in bearing design and transmission technology. By leveraging advanced materials, precision manufacturing, and rigorous quality control processes, the company ensures its products deliver exceptional durability and performance under demanding conditions. URB places a strong emphasis on reducing friction, minimizing wear, and improving energy efficiency in all its components.
Application Areas
The diverse URB product portfolio serves multiple industries and application areas, including:
- Automotive and Transportation: Bearings and transmissions for cars, trucks, and heavy vehicles.
- Industrial Machinery: Solutions for manufacturing equipment, conveyors, and automation systems.
- Aerospace: High-precision components designed for aerospace mechanisms and devices.
- Renewable Energy: Bearings and transmission units for wind turbines and other green energy technologies.
- Construction and Agriculture: Robust products for heavy-duty machinery and agricultural equipment.
Company Headquarters
URB is headquartered in Germany, a country known for engineering excellence and advanced manufacturing technologies. The central office serves as the hub for research and development, production, and global distribution, ensuring URB maintains the highest quality standards and delivers superior products worldwide.