SX Thin Profile Precision Bearing

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SX Thin Profile Precision Bearing

SX thin-type precision bearings feature an ultra-thin design, with a smaller cross-sectional dimension compared to RB type bearings while maintaining the same journal diameter. Due to this ultra-thin design, neither the inner nor outer rings have mounting holes, requiring flanges and support seats for installation. They are typically used in applications requiring inner ring rotation.

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Product Advantages
SX series cross roller bearings are a special type of bearing with a split inner ring and a rotating outer ring. The rollers are arranged in a cross pattern, allowing them to withstand loads in all directions. Compared to traditional models, their rigidity is increased by 3-4 times. The inner or outer ring is a two-part structure, and the bearing clearance is adjustable. Even under preload, high-precision rotational motion can be achieved. They feature high precision, high rigidity, high load capacity, and small size. They are commonly used as spherical plain bearings in industrial robots, offering 3-4 times higher rigidity than traditional models.

Product Features
High-precision, high-rigidity bearings with thin-walled cross-section design

What are bearings used for?
·Robotics: Used in joints and rotating parts of robotic arms requiring precise movement.
·CNC Machine Tools: Precision and load capacity are critical in rotary table and spindle applications.
·Medical Devices: Smooth and precise movement is required in devices such as surgical robots and imaging equipment.
·Optical Instruments: Stable positioning is critical in high-precision equipment such as telescopes and microscopes.
·Aerospace Components: Used in flight control systems and satellite mechanisms requiring high reliability and precision.

Bearing Type Dimension Basic Load rating(Axial) Basic Load rating(radial) Weight
Inner Diameter Outside Diameter Roller Pitch  Diameter High Oil Holes Chamfer Ca Coa Cr Cor
d D Dpw B B1 S rmin KN KN KN KN kg
SX011814 70  90  80  10  1.2  0.6  18  60  12  30  0.3 
SX011818 90  115  102  13  1.2  1  26  96  17  47  0.4 
SX011820 100  125  112  13  1.2  1  28  106  18  52  0.5 
SX011824 120  150  135  16  1.5  1  41  153  26  75  0.8 
SX011828 140  175  157  18  1.5  1.1  64  237  41  116  1.1 
SX011832 160  200  180  20  1.5  1.1  69  272  44  133  1.7 
SX011836 180  225  202  22  2  1.1  98  381  63  187  2.3 
SX011840 200  250  225  24  2  1.5  106  425  68  208  3.1 
SX011848 240  300  270  28  2  2  149  612  95  300  5.3 
SX011860 300  380  340  38  2.5  2.1  245  1027  156  504  12 
SX011868 340  420  380  38  2.5  2.1  265  1148  167  563  13.5 
SX011880 400  500  450  46  2.5  2.1  385  1699  244  833  24 
SX0118/500 500  620  560  56  2.5  3  560  2538  355  1244  44 

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Engineering the Future of Motion
About UKL
Founded in 2020, UKL Bearing Manufacturing Co., Ltd. (Wuxi) is China SX Thin Profile Precision Bearing suppliers and OEM/ODM SX Thin Profile Precision Bearing company, an integrated industrial and trading enterprise that focuses on precision manufacturing, combining R&D, production, and sales.
The company specializes in high-performance bearing solutions, providing technical support for global industries with exceptionally high demands for precision and reliability.

With more than 200 skilled professionals and a fully modernized production base, UKL’s facilities cover the entire manufacturing process — forging, annealing, turning, heat treatment, grinding, and automated assembly.
Leveraging over 15 years of OEM/ODM export experience, UKL responds quickly to customer needs, offering flexible and customized services for clients across Europe, Asia, Africa, and the Middle East.

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