Bearing NUP 311 EN DKF



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Product detailed description
Bearing NUP 311 EN DKF – High-Performance Cylindrical Roller Bearing
The bearing NUP 311 EN DKF is a precision-engineered cylindrical roller bearing designed to deliver exceptional radial load capacity and operational reliability. This bearing type is widely used in heavy-duty industrial applications where durability and performance are critical. Manufactured with high-quality materials, the NUP 311 EN DKF offers excellent resistance to wear and fatigue, ensuring a prolonged service life under demanding conditions.
Featuring a robust design, the NUP 311 EN DKF accommodates axial displacement in one direction, making it suitable for applications requiring limited axial movement combined with high radial loads. The bearing is equipped with a snap ring groove on the outer ring, facilitating secure and easy mounting within housings, which enhances its stability during operation.
Key Features and Benefits
- Type: Cylindrical roller bearing with a snap ring groove (NUP design)
- Designation: NUP 311 EN DKF
- Load capacity: High radial load capability
- Axial displacement: Permits axial displacement in one direction
- Construction: Two integral flanges on the inner ring and one loose flange on the outer ring
- Material: High-grade bearing steel for durability and wear resistance
- Sealing: DKF suffix indicates an integrated sealing arrangement to protect against contaminants
Dimensions
- Inner diameter (d): 55 mm
- Outer diameter (D): 120 mm
- Width (B): 29 mm
The bearing NUP 311 EN DKF is engineered to meet the stringent demands of mechanical systems such as electric motors, gearboxes, and heavy machinery. Its design ensures smooth operation, reduced friction, and minimal heat generation, contributing to energy efficiency and lower maintenance costs.
Whether you are replacing worn bearings or designing new equipment, the NUP 311 EN DKF offers reliable performance and easy integration, making it an excellent choice for professionals seeking quality and longevity in bearing solutions.

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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.