Product Overview: The NA 6913 Machined Ring Needle Roller Bearing
The NA 6913 is a high-capacity needle roller bearing, expertly designed for applications demanding significant radial load support within a compact space. With principal dimensions of 65mm Bore Diameter, 90mm Outer Diameter, and 45mm Thickness, this bearing is a robust component in our NA Series. It features a precision-machined outer ring and a full complement of cage-guided needle rollers, combined with an inner ring. This construction makes it ideal for use on shafts that have not been hardened and ground, offering a versatile and reliable solution for various industrial and automotive systems. As a key part of our Needle Roller Bearings collection, the NA 6913 provides superior rigidity and performance where other bearing types may not fit.
Features of the NA 6913 Bearing
- High Radial Load Capacity: The line contact of the needle rollers allows it to support much heavier radial loads than ball bearings of a similar size.
- Includes Inner Ring: Comes equipped with a hardened and ground inner ring, enabling its use on standard commercial shafts without specialized heat treatment.
- Compact and Rigid Design: Features a small cross-sectional height, saving space and contributing to a more compact and lightweight equipment design.
- Machined Outer Ring: The robust, channel-shaped outer ring provides high rigidity, making it suitable for heavy-duty and shock-load applications.
- Cage and Roller Assembly: A cage guides the rollers, reducing friction, minimizing heat generation, and permitting higher operational speeds compared to full-complement designs.
- Durable Construction: Manufactured from high-quality bearing steel to ensure excellent wear resistance and a long service life under demanding conditions.
Applications of NA 6913 Bearings
- Industrial Gearboxes: Provides reliable support for gears and shafts in transmission systems where space is limited but load capacity is critical.
- Automotive Transmissions: Commonly used in gear sets, planetary gears, and clutch assemblies in both manual and automatic transmissions.
- Pumps and Compressors: Supports rotating shafts in various types of industrial pumps and compressors, ensuring smooth and efficient operation.
- Construction and Agricultural Machinery: Ideal for pivot points, gear drives, and hydraulic pumps in heavy equipment that experiences high loads and harsh environments.
- Two-Stroke Engines: Used for connecting rods and crankshafts where high performance and a small footprint are essential.
- Printing Presses and Textile Machinery: Ensures precise and stable rotation of rollers and shafts in high-speed manufacturing equipment.
Benefits of Using the NA 6913 Bearing
- Space-Saving Solution: Its excellent load-to-size ratio allows engineers to design more compact and efficient machinery.
- Versatility in Application: The presence of an inner ring removes the need for costly shaft hardening and grinding, simplifying assembly and reducing costs.
- Enhanced Machine Reliability: The rigid and durable design minimizes deflection under load, leading to improved performance and fewer breakdowns.
- Improved Operational Efficiency: Low friction from the caged roller design contributes to smoother operation and reduced energy consumption.
- Extended Service Life: High-quality materials and precision manufacturing result in a longer operational life, reducing maintenance frequency and costs.
- Suitable for High Speeds: The cage assembly effectively separates and guides the rollers, making it suitable for applications with higher rotational speeds.
