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The products are limited
It is mainly composed of outer ring, inner ring, roller, cage and other parts. The outer ring raceway surface characterizes it as the bearing center for the spherical ball surface. It can adapt to the shaft, and the shell is not concentricity large, automatically adjusting the position of the shaft center so that the bearing can still work normally. This kind of bearing can withstand large radial loads and certain bi-directional axial loads, commonly used in heavy loads and shock loads in mechanical equipment.
TFL-Bearings is a large supplier of Spherical Roller Bearings in various sizes and shapes. The types of spherical roller bearings we supply include:
Sealed Spherical roller bearings：This kind of spherical roller has good sealing performance, which can effectively prevent water, moisture, etc., from entering the inside of the bearing and improve the service life and reliability of the bearing.
CA Spherical roller bearing：This type of spherical roller bearings has symmetrical rollers and retaining edges. CA means it has a one-piece, double-pronged machined cage made of brass.
E Spherical roller bearing：This type of spherical roller bearings contains two window-type stamping cages: the inner ring ends of the non-retaining edge, the inner ring middle non-retaining edge, and the middle retaining edge by the cage guided by the floating guide ring—symmetrical rolling body.
E1 spherical roller bearing：These spherical roller bearings contain two window-type stamped cages; the inner ring ends without retaining edges, the middle of the inner ring without retaining edges, and the middle retaining edges become floating guide rings guided by the inner or outer ring—symmetrical rolling body.
CC spherical roller bearing：This type of spherical roller contains two window stamping cages, an inner ring without a retaining edge, a floating guide ring guided by the inner ring, and a symmetrical rolling body.
MA Spherical roller bearing：This kind of spherical roller bearing has a two-piece outer ring guiding entity alloy copper to keep the frame, their inner ring center with blocking edge or no blocking edge, both sides with blocking edge, symmetrical type spherical roller.
MB Spherical roller bearing：This spherical roller bearing consists of a two-piece solid brass cage; it has an inner ring with retaining edges on both sides, a steel center retaining edge through which the cage is guided, and symmetrical rolling elements.
1. Heavy industry: Such as mining and metallurgical equipment.
2. Machinery manufacturing: All kinds of machine tools, machinery, etc.
3. Paper industry: Paper machines and other equipment.
4. Wind power generation: Related parts of wind turbines.
5. Marine industry: Power systems of ships, etc.
6. Cement, building materials industry: Related production equipment.
Spherical roller bearings are divided into the tapered bore and cylindrical bore; the spherical roller bearing models suffix with K indicates a tapered bore, and the taper is 1:12. Suffix with K30 indicates a tapered bore, and the taper is 1:30.
1. Tapered roller bearings: can withstand large radial and axial joint loads.
2. Cylindrical roller bearings: mainly bear radial load, strong bearing capacity.
3. Self-aligning roller bearings: has good centering, can adapt to the angle deviation between the shaft and the bearing seat, but can also withstand a large heavy load.
Spherical roller bearings are divided into the tapered bore and cylindrical bore; the spherical roller bearing models suffix with K indicates a tapered bore, and the taper is 1:12. Suffix with K30 indicates a tapered bore, and the taper is 1:30.
1. Tapered roller bearings: can withstand large radial and axial joint loads.
2. Cylindrical roller bearings: mainly bear radial load, strong bearing capacity.
3. Self-aligning roller bearings: has good centering, can adapt to the angle deviation between the shaft and the bearing seat, but can also withstand a large heavy load.
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.
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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.
The contact form is different: the ball bearing is point contact, while the roller bearing is line contact.
Load-carrying capacity: in general, the load-carrying capacity of roller bearings is bigger than that of ball bearings.
Impact resistance: ball bearings have better impact resistance, while roller bearings have relatively weaker impact resistance when bearing heavy loads.
Friction coefficient: ball bearings have a small friction coefficient, and roller bearings have a relatively large friction coefficient.
Ball bearings and roller bearings each have their characteristics; they can not simply say which one is better, but according to the specific use of the scene and demand to choose.
Therefore, in the actual application, according to the working conditions of the equipment, load and other factors to consider, choose the most suitable type of bearing.
Roller bearings are used in a wide range of application scenarios, mainly including machine tools, automobile manufacturing, power equipment, metallurgical equipment, heavy machinery, mining equipment, shipping, aerospace, robotics, medical equipment, food machinery, and chemical and pharmaceutical industries.
The importance of bearings in mechanical equipment is reflected in the reduction of friction, reduced energy loss, extended service life and other aspects. As an important part of mechanical equipment, bearing selection, design and maintenance of mechanical equipment has an important impact on the operating status and performance.
