Main Character:·the most representative and wide-used rolling bearing ·It mainly endures radial charge, and sometimes it endures a little bit axis charge. The carrying capacity will increase when it is choosed bigger radial windage.Main Structure:·basic type ·deep groove ball bearing with dustproof cover on two sides·deep groove ball bearing with sealed circle on two sides ·deep groove ball bearing with sealed circle on one side·deep groove ball bearing with dustproof cover on one side ·deep groove ball bearing with stopping groovy on the outer circle·deep groove ball bearing with stopping groovy on outer circle and airproof cover on one side ·deep groove ball bearing with stopping groovy on outer circle and sealed circle on one side·deep groove ball bearing with stopping groovy on outer circle and airproof cover on two sides ·deep groove ball bearing with stopping groovy on outer circle and sealed circle on two sides·deep groove ball bearing with ball-installing gap (with holding frame) ·deep groove ball bearing with ball-installing gap (without holding frame)