Double Row Angular Contact Ball Bearings RW Type
Double Row Angular Contact Ball Bearing RW Type
Multi-row and simple angular roller bearing. Achieves high rigidity, high precision, and compact design.
By multiplexing the rolling surface and adopting small-diameter rollers, the number of rollers is approximately five times greater compared to the conventional cross roller ring RU type (in the case of RW228). While maintaining compactness, rigidity and precision have been improved, and torque reduction has also been achieved. Additionally, the integral structure of the inner and outer rings is equipped with mounting holes, allowing for direct fixation to the device.
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basic information
●High Rigidity, High Precision The inner and outer rings of the RW type are designed as a single structure to achieve high component rigidity. Both the inner and outer rings have mounting bolt holes processed, and by optimally designing the size and number of these bolt holes, deformation of the rolling surface due to mounting can be minimized, resulting in stable rotational performance. Additionally, improvements in processing accuracy enable high rotational precision. ●Low Torque The RW type employs small diameter rollers, which reduces the friction coefficient, achieving low torque and low temperature rise characteristics. ●Increased Rigidity The RW type has dimensions nearly identical to the conventional cross roller ring RU type, yet it improves rigidity by doubling the number of raceway rows and adopting a DB structure compared to the RU type.
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Company information
THK pioneered the "rolling" of linear motion components in machines in 1972 and developed the "linear motion system." The development of this "linear motion system" has led to increased precision, speed, labor-saving, and improved efficiency in machinery, enabling energy-efficient equipment design. All of THK's technology is focused on providing greater lightness and precision to the "movement" of various mechanisms, bringing numerous innovations to the world. 【THK's Main Product Areas】 1. Mechanical Component Parts: - Development, manufacturing, and sales of LM guides, ball splines, ball screws, electric actuators, etc. 2. Mechatronics Related Products: - Precision XY stages, linear motor actuators, etc. 3. Automotive Parts: - Link balls, rod ends, etc. 4. Robotics: - Pick and place robots "PPR," transport robots "SIGNAS," service robots "SEED-Solutions" (including display robots and temperature measurement robots), etc. 5. Seismic Isolation: - Seismic isolation tables TSD, seismic isolation modules TGS.
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