Wishlist
The products are limited
The products are limited
Metric size deep groove ball bearings are one of the most widely used bearing types, known for their versatility, reliability, and efficiency. These bearings offer numerous advantages, making them ideal for a broad range of applications.
High-Speed Performance: Designed with precision raceways and low-friction seals, these bearings support smooth, high-speed operation while minimizing energy loss.
Durable and Long-Lasting: Manufactured from high-quality steel and optimized for wear resistance, ensuring longevity even in demanding environments.
Axial and Radial Load Handling: Engineered to accommodate both radial and axial loads, providing stable and reliable performance under varying operational conditions.
Low Maintenance Design: Many models come with sealed or shielded options to prevent contamination, reducing the need for frequent lubrication and maintenance.
Metric deep groove ball bearings are widely used across multiple industries due to their efficiency, compact design, and high load capacity.
Electric Motors and Generators: Provides smooth rotation and low friction, ensuring long-lasting performance in motor-driven applications.
Automotive Industry: Used in transmissions, wheels, and engine components, offering durability and precision in high-speed environments.
Industrial Machinery: Found in pumps, gearboxes, and conveyor systems, contributing to efficient power transmission and motion control.
Household Appliances: Essential components in fans, washing machines, and air conditioners, ensuring quiet and reliable operation.
A metric size deep groove ball bearing consists of an inner ring, an outer ring, a cage, and steel balls arranged in precision-machined raceways. The design allows for smooth and efficient rotation, with options for open, sealed, or shielded configurations to suit different environmental conditions. These bearings are available in a variety of sizes and load capacities, making them adaptable to various engineering needs.
Deep groove ball bearings come in different designs to meet specific performance requirements:
Single-Row Deep Groove Ball Bearings: The most common type, ideal for radial loads and moderate axial loads in both directions.
Double-Row Deep Groove Ball Bearings: Offers higher load capacity and enhanced stability compared to single-row designs.
Sealed and Shielded Bearings: Protect against dust and moisture, reducing maintenance and extending service life.
Miniature and Extra Small Bearings: Designed for compact devices requiring high precision, such as medical equipment and small motors.
Metric size deep groove ball bearings provide an excellent balance of performance, durability, and versatility, making them a preferred choice across numerous industrial applications.
Motor Bearing Preload: Eliminating Play for Precision Preload, or axial pre-tightening, is a critical technique for optimizing motor bearing performance. It involves applying a carefully controlled axial force to the bearing during assembly, effectively eliminating internal clearance (play). This isn't about simply tightening things down; it's a deliberate engineering choice that delivers significant benefits. By removing unwanted play, preload dramatically improves running accuracy and positional stability, making the shaft more precise and resistant to deflection. It also enhances stiffness and rigidity, crucial for applications demanding high precision under load. Furthermore, preload reduces noise and vibration by ensuring smooth rolling motion and prevents ball skidding in high-speed scenarios. This technique is especially vital for motors in demanding applications like machine tools, robotics, and high-speed machinery where stability, precision, and quiet operation are paramount.
While both angular contact ball bearings and deep groove ball bearings are designed to facilitate rotation, their fundamental difference lies in their load-carrying capabilities and structural design. Deep groove ball bearings are the most common type, recognized for their versatility. They primarily excel at handling radial loads (perpendicular to the shaft) but can also accommodate moderate axial loads (parallel to the shaft) in both directions. Their simple design, with deep, uninterrupted raceways, allows for high speeds and smooth operation. In contrast, angular contact ball bearings are specifically engineered to handle combined radial and axial loads, particularly high axial loads. Their unique design features a "contact angle" between the balls and raceways, which allows them to effectively support axial forces in one direction. For applications requiring two-way axial load support or enhanced rigidity, angular contact ball bearings are often used in "paired" configurations. This makes them ideal for high-precision, high-speed applications where significant axial thrust is present, such as machine tool spindles.
The key to achieving precise positioning in motor systems is the clever use of angular contact ball bearings. Designed to accommodate radial and axial loads, these specialized bearings provide exceptional rigidity and minimal runout when precisely matched. This pairing technique is essential for applications that require high precision and stability, ensuring smooth and reliable operation of precision-critical motors.
.jpg.webp)
Grease Color: A First Clue, Not a Final Verdict for Bearing Health Can you truly tell if your bearings are healthy just by looking at the color of their grease? Not definitively, but it's a valuable starting point! While a new grease's color is often just a dye for identification, any significant change in its appearance can be a red flag. Darkening might suggest oxidation or contamination from wear particles, while a milky look often points to water ingress. Losing its original vibrancy can signal thermal degradation. However, relying solely on visual inspection is like diagnosing a car engine just by the color of its exhaust – it gives you a clue, but not the full picture. Many issues aren't visible, and some greases change color naturally with use. For a true assessment of your bearing's health, you need more robust methods. Think of grease color as your early warning system, prompting further investigation with methods like laboratory grease analysis, vibration analysis, or temperature monitoring.
QJ218-N2-MA belongs to a four-point contact ball bearing. It has an inner diameter of 90mm, an outer diameter of 160mm, a thickness of 30mm, a single-row bearing with locating grooves, a solid brass cage and an outer ring guide.
There are countless brands of linear motions, and it is often difficult to choose when purchasing. Today we will take stock of the characteristics of the world's 10 ten linear motion brands. Understanding these brands will help you make targeted choices.
Bearings, as one of the key components of mechanical equipment, their normal operation is critical to the performance and life of the equipment. However, when abnormal sounds occur in bearings, it often signals potential problems and failures. In this essay, we will discuss in depth the causes, effects and coping strategies of abnormal bearing sounds.
Our Shandong Tefule Bearing Factory is located in the Bearing Industry Base of Liaocheng, Shandong Province. It is committed to the production and creation of automotive bearings and agricultural machinery bearings.
The ABEC grading system uses odd numbers - 1, 3, 5, 7, and 9 - as classification levels. The five different grades are listed in descending order of tolerance.
Automotive bearings, as critical components, play an integral role in the performance and reliability of vehicles.
