F-211687 model, supplied by Anang Mall

F-211687 model, supplied by Anang Mall

Brand: INA

model:F-211687

1、 Brand Overview

As early as 1946, George? Dr. Georg Schaeffler and his brother Wilhelm co founded Schaeffler Corporation and demonstrated the significance of breaking through thinking frameworks in 1949. At that time, his research and development of needle roller and cage components led to a major breakthrough in the application of needle roller bearings in the industrial field, filling the gap in this field. George? Schaeffler's innovative spirit and desire for success have become an eternal part of INA's corporate culture in 35 factories worldwide. For decades, INA has represented creative solutions, professional standards in design and production, and great attention to customer requirements. Breaking free from the constraints of thinking patterns, breaking through the obstacles of traditional habits, and finding new ways, whether from the beginning of a company's establishment or decades later today, are all the essence of corporate culture.

INA? Is it a brand of clothing? A type of furniture? No, no, neither. The INA I'm referring to is a high-precision mechanical component - a bearing brand. INA develops and produces rolling bearings, sliding bearings, linear motion products, and automotive engine components worldwide. As a partner in research and development, INA has been closely collaborating with customers since the initial stages of system development. New solutions tailored to users are born every day, which means that over 1000 new products are launched into the market every year. INA has invested heavily in its research and development department, with a particular focus on the construction of new research and development centers in Germany, Asia, and North America recently.

INA: is a well-known bearing brand in Germany, belonging to the German INA Bearing Company under the Schaeffler Group. It was founded in 1946 and is headquartered in Nuremberg, Germany. Since its establishment, INA Bearing Company in Germany has been committed to product innovation to meet customer needs and provide high-quality assurance, making it the world's leading supplier of rolling bearings and a recognized partner for automotive manufacturers. Bearings are an important component in contemporary mechanical equipment. Its main function is to support mechanical rotating bodies, reduce their friction coefficient during motion, and ensure their rotational accuracy. According to the different friction properties of moving components, bearings can be divided into two categories: rolling bearings and sliding bearings. Rolling bearings have been standardized and serialized, but compared to sliding bearings, they have larger radial dimensions, vibration, and noise, and are also more expensive. The INA brand is widely used in the automotive industry, including engines, transmissions, and chassis, as well as in the industrial sector. INA has unparalleled technological advantages in precision product molding and provides customers with excellent cost-effective solutions based on this. In the industrial sector, four industry management departments respectively guide the market promotion of INA and FAG brands in the fields of production machinery, power transmission and railway, heavy industry, and consumer products.

2、 Product Introduction

The F-211687 bearing isThe clutch pressure and center distance adjustment of modern domestic offset printing press cylinders with eccentric bearings are mostly achieved through eccentric mechanisms, which have the advantages of simple structure, convenient adjustment, accuracy and reliability, but are difficult to process. Domestic offset printing machines are equipped with a set of eccentric bearings at each end of the plate cylinder, which are mainly used to adjust the center distance between the printing rubber. On the other hand, two sets of eccentric bearings are installed at each end of the blanket cylinder, with the outer eccentric bearing adjusting the center distance of the rubber pressure and the inner eccentric bearing controlling the clutch pressure of the cylinder.

Definition of bearings:
A bearing is a component that supports a shaft, which can guide the rotation of the shaft and also withstand the idle parts on the shaft. The concept of a bearing is very broad. The component that supports the axis of relative rotation is called a bearing. Usually, it is axis rotation. There are also cases where the shaft does not rotate but the housing rotates, such as car wheel hub bearings. Bearings are the foundation of all machines and an indispensable product in modern society; Known as the "grain of the machinery industry", it ensures the quality of all supplied products and the normal operation of equipment. Tongqi Bearing specializes in providing services for industrial production and automotive maintenance; Specializing in imported brands, gathering classic bearings from various countries, consolidating the comprehensive strength of each brand, and continuously providing technical services to users and distributors; Assist customers in solving difficult problems such as bearing selection, domestic and foreign brand exchange, and model specification substitution; In the market economy of the new century, helping enterprises reduce costs, provide economic benefits, and ensure worry free operation of equipment.

3、 Product Data

Brand: INAModel: F-211687Old model: F-211687

Inner diameter: 10 (mm)Outer diameter: 26 (mm)Thickness: 12.5 (mm)
Retainers and their materials: OtherUsage characteristics: OtherPurpose: Universal
Number of rolling element columns: single columnType of raceway: Convex racewaySample or in stock: In stock

Model: F-211687

Printing machine bearings are used for central positioning of plate cylinders, rubber cylinders, impression cylinders, and transfer cylinders. This means that bearings should meet a series of requirements as much as possible. The accuracy of roller bearing arrangement has a decisive impact on printing quality. The bearings of the printing machine must ensure that all cylinders can work together to the best extent during the printing process. There must be no relative motion in the radial and axial directions. Therefore, bearings must meet high requirements in terms of zero clearance, rigidity, and operational performance. Moreover, it must be possible to control the axial movement of the printing plate cylinder to achieve skew adjustment (diagonal alignment function).

5、 Product Details

What should I do if the gear of the printing machine is removed and replaced with a bearing, and then installed and heats up?
There may be several reasons as follows
1. Lack of oil.
2. The bearings are not installed correctly.
3. If the tapered bearing is installed too tightly.
4. Friction heating due to insufficient gear clearance.

How to effectively maintain:
1. Establish rules and regulations for machine maintenance.
The maintenance of offset printing machines should be based on the machine manual. Such as regular oil changes, cleaning of filters, and regular testing of machine accuracy.
2. Strengthen the maintenance of important components.
3. Carry out technological reforms and strengthen machine maintenance.
Machine maintenance requires that the convenience of machine maintenance be fully considered in the design of the machine. However, due to the complexity of printing machines, it is obviously impossible to consider every factor, and the content of machine maintenance may also change with environmental changes. Therefore, it is necessary to improve the structures that are not conducive to machine maintenance without affecting normal operation. The dynamic maintenance of a cardboard printing machine refers to the maintenance of the machine while it is in motion. Static maintenance of machines is a prerequisite for dynamic maintenance, and the dynamic operation of machines can in turn detect the level of static maintenance. The dynamic maintenance of machines is quite important.

Roland printing machine bearings are the most influential well-known brand in China after Heidelberg. Especially in the south, there is a wide user base. The impression left by Roland printing machine bearings is durability, high precision, and high degree of automation. Unlike Heidelberg machines, its split series printing machines have a drum diameter of 300mm and a completely non-contact double diameter drum structure for the paper transfer line. The ink roller on the plate adopts a movable mechanism (similar structures are also used by other manufacturers), which can eliminate ghosting. The embossing cylinder of Roland printing machine bearings adopts hollow roller bearings, which have a certain pre pressure during installation, so as to eliminate the bearing clearance during installation. Hollow roller bearings are considered an ideal bearing structure, but their machining is relatively difficult and the tolerance requirements are particularly strict. The version drum and rubber drum adopt sliding bearings (copper sleeve structure), which have strong impact resistance and high requirements for the oil circuit. If the oil circuit works poorly, it will cause excessive friction during high-speed operation.
Another characteristic of Roland printing machine bearings is the use of a long shaft to provide power. From the first group to the fourth group, a long shaft is used to drive the relevant mechanisms of each unit upwards. The advantage of this mechanism is that it can ensure synchronous operation of all units and reduce transmission errors between gears.
Roland printing machine bearings are also equipped with dual paper feeding mechanisms, which can be fed by roll paper or single sheet paper. When using the roll paper feeding method, the paper roll part and its slitting part of the roll paper can be fed into the feeding area. When using a single sheet paper feeder, simply remove this part. Roland printing machine bearings have been carefully considered in the structural design of Feida, using four paper separating suction nozzles and eight paper feeding suction nozzles, which have strong adaptability to thin and thick paper.
Roland printing machine bearings can complete post press operations such as hot stamping, embossing, die-cutting, and punching online, saving a lot of post press operation time. This is also the most integrated printing equipment in all printing machines. Roland printing machine bearings are also equipped with quality management systems such as online image monitoring, online color detection, and online quality control. These information can be connected to the network, allowing users to understand the quality status of their printed products. The maintenance and upkeep of Roland printing machine bearings are crucial, as issues often arise on the company's production lines. If not maintained in a timely manner, it will bring significant hidden dangers. So it is necessary to regularly maintain and upkeep Roland printing machines, and promptly repair any malfunctions that occur. For example, the repair of circuit board faults in Roland printing machines requires special attention.

We will provide you with servo control systems and other peripheral services, and promise to install and debug each motor on-site. Give your choices the maximum appreciation potential! Our products are well-known imported transmission products from various countries such as Taiwan, Japan, Germany, and the United States to ensure that our product quality is leading in China. They are original and authentic, with excellent quality and affordable prices. This has been our commitment to customers for the past decade. Welcome to consult!