This is a non-standard product specially used for FRC robots, fr6zz non-standard flange bearings, which have been improved by our technology for many times. Improve load capacity, reduce noise, heavy inner ring, heavy inner raceway, shielded ball bearings, thicker and stronger than other similar products. This bearing has more material between cylindrical or hexagonal holes and raceway edges, making it stronger and less likely to crack under high loads. Approved by our regular customers, the improved products did not have any faults. Now in order to meet the needs of our customers, we are equipped with a large number of inventory to facilitate the urgent needs of users!