Dental Equipment Bearings (Classic 200/Beyond 400) Bearings Classic 200 Beyond 400Bearings for Classic 200/Beyond 400, Part Number A121983 $1.00 Request a Quote System Overview The Bearings are designed for use in Classic 200 and Beyond 400 models, providing smooth and reliable operation for various mechanical components. Standard Features Designed for Classic 200 and Beyond 400 Models Smooth Operation Reliable Performance