A super compact cross roller bearing that integrates the inner and outer rings. The smallest model has an inner diameter of 10 mm and an outer diameter of 21 mm, making it one of the smallest in the world.
This is a super compact cross roller bearing that enhances component rigidity by integrating the inner and outer rings. It enables miniaturization and weight reduction of devices. It achieves a balance between miniaturization, ultra-thin design, and rigidity, making it ideal for robot joints and small electric actuators. Compared to conventional angular ball bearing multi-row specifications, it is compact and lightweight. The spacer retainer ensures smooth movement and excellent rotational accuracy. *For more details, please refer to the PDF document or feel free to contact us.
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basic information
THK Ultra-Compact Cross Roller Ring RAU Specifications ● Small Diameter and Thin Width Type Inner Diameter: φ10mm to 100mm Outer Diameter: φ21mm to 111mm Width: 5mm Weight: 9 to 61g ● RA Type Compatibility Inner Diameter: φ50mm to 200mm Outer Diameter: φ66mm to 226mm Width: 8 to 13mm Weight: 80 to 710g *For more details, please refer to the PDF document or feel free to contact us.
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【Usage】 Robot joints Small electric actuators, etc. *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Kozu Transmission Machinery Co., Ltd. is a top-class specialized trading company for industrial equipment in Japan. Countless machines in the industrial sector are in operation... and our products are vital in their drive, transmission, and control parts. We also contribute to the faithful execution of operations in FA and CIM. Since our founding in 1951, we have expanded our range of products not only in transmission components but also in response to customer needs, broadening our offerings to include control systems, ensuring we have everything necessary for transmission. With the motto of being a "trustworthy company," we have established a unique system to respond quickly to customer requests while maintaining a customer-oriented approach. Additionally, we continuously capture the latest product information and provide it to our customers, as well as making proposals to manufacturers. Moving forward, we aim to continue our daily efforts for improvement without forgetting our original intentions.