The Support Side Bearing Block for Ball Screw is a key auxiliary support component in ball screw transmission systems. Working in synergy with the fixed-end bearing block, it mainly bears the radial load of the screw, compensates for installation errors, and restricts radial movement. Through an adjustable structure or floating design, it provides flexible and stable tail support for the screw. Made of high-precision bearings and lightweight rigid housings, it is compatible with ball screws of different specifications, effectively absorbing radial vibration during transmission, relieving the load pressure on the fixed end, and significantly improving the operational stability and service life of the entire screw system. Widely used in CNC machine tools, automated linear modules, precision conveying equipment and other scenarios, it is especially suitable for long-stroke screw systems or working conditions where installation accuracy is difficult to control, and is an important auxiliary component to ensure transmission accuracy.
Product Parameters
Suitable for long-distance screw systems or working conditions where installation accuracy is difficult to control, it is an important auxiliary component to ensure transmission accuracy
Flexible adaptation, error compensation
Adopting a floating or micro-adjustable structure design, it can compensate for installation coaxiality errors within ±0.1mm, effectively solving the centering problem during the installation of long-stroke screws and reducing the requirements for equipment assembly accuracy.
Precise radial support, stable operation
Equipped with high-precision deep groove ball bearings or cylindrical roller bearings, the radial runout is controlled within 0.005mm, which can stably bear the radial load generated by the high-speed operation of the screw, reducing the system operating vibration amplitude by more than 40%.
Lightweight design, space-saving
The main body is made of high-strength aluminum alloy, which is 30% lighter than traditional cast iron bearing blocks. The housing structure is topologically optimized, which greatly reduces the installation space while ensuring rigidity, adapting to compact equipment layouts.
Wear-resistant and corrosion-resistant, easy maintenance
The housing surface is anodized or electrophoretic coated, with salt spray corrosion resistance up to 500 hours or more; the bearing is equipped with long-acting grease, and the sealing structure adopts a double-lip dustproof ring, so the maintenance cycle can be extended to 6-12 months under normal working conditions.
Product Parameters
Be used in a wide range of industries.
Selection & Installation
1
Selection points
Select the model according to the ball screw diameter, radial load, rotating speed and installation space. Floating bearing blocks are preferred for long-stroke (>2000mm) screws; deep groove ball bearing configurations are recommended for high-speed (>3000rpm) scenarios; cylindrical roller bearings are suitable for heavy-load scenarios.
2
nstallation notes
The flatness of the mounting surface should be ≤0.03mm/m, and the radial gap between the bearing block and the screw shaft end should be reserved 0.02-0.05mm; adjustable bearing blocks need to be fine-tuned to a non-sticking state after installation, and axial preload is prohibited for floating bearing blocks.
Order Information
Customizable products
The Support Side Bearing Block for Ball Screw offers customization options for compatible screw diameter, bearing type, housing material, surface treatment, and adjustment method, and supports non-standard structural design.
Product shipment
Sample delivery cycle is 4-7 working days, and bulk order delivery cycle is 10-18 working days. It supports international trade terms such as EXW, FOB, and CIF, and provides material reports and precision inspection certificates
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