Bearing NUP 311 DKF



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Product detailed description
Bearing NUP 311 DKF
The NUP 311 DKF is a high-quality cylindrical roller bearing designed for applications requiring reliable radial load support and axial guidance. Known for its robust construction and precision engineering, this bearing model is widely used in various industrial machinery and equipment to ensure smooth operation and extended service life.
This bearing features an inner ring with two fixed ribs and an outer ring with a single rib, allowing it to accommodate axial loads in one direction while supporting heavy radial loads. Its design also facilitates easy mounting and dismounting, making maintenance straightforward and efficient.
Key Features and Benefits
- Durability: Manufactured with high-grade steel to withstand heavy loads and harsh operating conditions.
- Axial Load Capacity: Supports axial displacement in one direction due to the rib configuration.
- High Radial Load Capacity: Cylindrical rollers provide excellent radial load handling for enhanced performance.
- Ease of Installation: The split inner ring design allows for convenient assembly without disassembling other components.
- Versatility: Suitable for use in motors, gearboxes, pumps, and various industrial applications.
Dimensions
The NUP 311 DKF bearing conforms to the standard dimensions for NUP 311 series bearings, which are:
- Inner Diameter (d): 55 mm
- Outer Diameter (D): 100 mm
- Width (B): 25 mm
Applications
Due to its sturdy design and reliable performance, the NUP 311 DKF is commonly utilized in:
- Electric motors and generators
- Industrial gearboxes
- Pumps and compressors
- Machine tool spindles
- Automotive transmissions
Choosing the NUP 311 DKF ensures optimal performance, reduced maintenance downtime, and increased operational efficiency in demanding mechanical systems.

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DKF: Leading Manufacturer of Bearings and Transmission Technology
DKF is a renowned manufacturer specializing in high-quality bearings and advanced transmission technology. With a strong commitment to innovation and precision engineering, DKF has established itself as a trusted partner in various industrial sectors, delivering reliable components that enhance machinery efficiency and durability.
Company History
Founded several decades ago, DKF has grown from a modest enterprise into a significant player in the bearings and mechanical transmission industry. Throughout its history, the company has continuously adapted to technological advancements and expanded its product portfolio to meet the evolving demands of its global clientele.
Product Range
DKF offers an extensive range of products designed to meet diverse mechanical and industrial needs, including:
- Ball Bearings: Precision-engineered for smooth rotation and minimal friction.
- Roller Bearings: Optimized for heavy load applications ensuring long service life.
- Needle Bearings: Compact solutions for limited space installations.
- Transmission Components: Includes gears, shafts, and coupling elements tailored for high-performance machinery.
- Custom Bearing Solutions: Tailored to specific industry requirements and special applications.
Main Focus and Technology
DKF places a strong emphasis on quality control, innovative design, and the integration of advanced materials in its products. The company leverages cutting-edge manufacturing technologies such as CNC machining and precision grinding to ensure tight tolerances and superior performance. Their products are engineered to withstand harsh operating conditions, reducing downtime and maintenance costs for end-users.
Application Areas
DKF bearings and transmission technology are widely used in numerous industries, including:
- Automotive Industry: Enhancing engine components, transmissions, and chassis systems.
- Industrial Machinery: Supporting heavy-duty machines in manufacturing plants.
- Aerospace: Delivering lightweight and high-strength components for aircraft systems.
- Renewable Energy: Bearings tailored for wind turbines and solar tracking systems.
- Robotics and Automation: Precision parts critical for smooth robotic movement.
Company Headquarters
DKF is headquartered in Germany, a country known for its engineering excellence and industrial innovation. This strategic location allows the company to serve European and international markets effectively, ensuring competitive lead times and customer support.