Installation Tool Requirements for Type FKFF, Type EKEF, Type BKBF Support Brackets

Jun 12, 2025

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Getting to know the FKFF, EKEF and BKBF types of holders


These three types of supports play an indispensable role in all types of machinery and equipment, and the FKFF type supports are designed for end face mounting, with a unique structure that provides reliable floating support for the screw in limited end face space, and are commonly used in applications that require high space utilization.
These three types of mounts play an indispensable role in various types of machinery and equipment. the FKFF type mount is designed for end face mounting, its unique structure can provide reliable floating support for the screw in the limited end face space, commonly used in automation equipment with high space utilization requirements. the EKEF type mount is suitable for plane mounting, through the special bearing configuration and structural design, it can provide high precision support for the screw on the plane. EKEF type is suitable for plane mounting, through special bearing configuration and structural design, it can provide high-precision positioning and stable support for the screw on the plane, which is widely used in precision machine tools and other equipment requiring strict machining accuracy. bkf type support seat is also used for plane mounting, with its excellent bearing capacity, it can stably support the screw and ensure stable operation of the equipment in the large-scale industrial machinery subject to large loads.

Ball Bearing Housing

 

 

Installation of different types of mounts

Type FKFF
The FKFF type consists of the FK type on the fixed side and the FF type on the floating side, and is suitable for end-face mounting scenarios. the FK type has a locking nut for fixing the screw, and in end-face mounting, the operating space is often narrow, so that a normal wrench may be difficult to use. In this case, it is necessary to use a small socket wrench or elbow wrench to tighten the lock nut deeper into the end face space. It is important to control the tightening force during installation, as loosening the screw will not hold it securely, affecting the accuracy of the equipment, while over-tightening may damage the screw or the support base. the FF type support base contains a stop ring to provide support. When installing the FF type, you can use tweezers and other small aids to accurately align the screw in the correct direction, and then gently pushed into the predetermined position, and at the same time to avoid collision resulting in displacement of the stop ring. In the manufacture of electronic equipment, due to the compactness of the internal space of the equipment, the installation of the end face of the FKFF type support holder is accomplished with the help of such a small tool.

 

EKEF type support seat
The EK type on the stationary side of the EKEF type support block has a preload-adjusted JIS Class 5 angular contact ball bearing inside, providing high rigidity, high accuracy, and stable rotary performance for surface mounting. Improper torque can seriously affect bearing performance and support seat stability. The EF type on the support side uses deep groove ball bearings, which can be mounted on a flat surface by placing them smoothly in the mounting position and then gently tapping them with a rubber mallet to seat them accurately. In the manufacture of optical equipment, which requires high assembly precision, these tools are used precisely when mounting EKEF type supports to ensure optical precision.

 

Model BKBF Mounts
The BK type on the stationary side of the BKBF mount is also equipped with preload-adjusted angular contact ball bearings for flat mounting. For mounting, the fixing bolts are initially tightened with an ordinary wrench to roughly fix the BK type support on a flat surface, and then re-tightened with a torque wrench according to the standard torque value to ensure secure mounting and accuracy. The BF type on the support side uses deep groove ball bearings. To prevent damage to the bearings during flat mounting, it is necessary to install the BF type support seat on the screw smoothly with the help of a special sleeve for bearing mounting. In heavy machine tools and other large machinery, the flat mounting of BKBF type supports must be performed by specialized personnel using appropriate tools and strictly following the mounting procedure in order to ensure stable operation and machining accuracy.

 

Special conditions and precautions
In the actual installation, even the regular installation process may require special tools due to special working conditions. For example, when it is difficult to operate ordinary tools for plane or end face installation in a narrow space, special tools such as long-handled screwdrivers and universal joints can come in handy to help complete the installation smoothly in a limited space. In addition, the specifications of the screw and equipment installation requirements will also affect the choice of tools. For large screw supporting seat, manual tools are difficult to meet the demand, you need to use electric wrenches, hydraulic jacks and other electric or hydraulic tools, to improve the installation efficiency, to ensure accurate positioning of the support seat.

 

Our company's role as a supplier of screw support blocks
As a high quality supplier of screw support blocks, we are always committed to providing our customers with high quality products and perfect service. Our FKFF, EKEF and BKBF types of support blocks are made of high-quality materials, and we strictly control the production process to ensure the precision, strength and durability of the products, which can meet the needs of different mechanical equipment in the complex working conditions of flat or end face mounting. Upon delivery, we provide a detailed installation manual for each support seat, covering installation steps, schematic diagrams, tool lists and precautions to help customers quickly grasp the key points of installation. If customers encounter problems during installation, our experienced team of experts is always online to provide comprehensive technical support by phone or video. In addition, we also recommend screw nuts, linear guides and other related products, and professional and technical personnel according to customer needs and equipment conditions, to provide product integration programs and technical advice, to help create efficient and reliable mechanical transmission system.
 

End Support Bearing

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