Bearing No. Boundary Dimensions(mm) d D B QJ200 10 26 8 QJ201 10 26 8 QJ202 10 26 8 QJ203 10 26 8 QJ204 10 26 8 QJ205 10 26 8 QJ206 10 26 8 QJ207 10 26 8 QJ208 10 26 8 QJ209 10 26 8 QJ210 10 26 8 QJ302 15 42 13 QJ303 17 47 14 QJ304 20 52 15 QJ305 25 62 17 QJ306 30 72 19 QJ307 35 80 21 QJ308 40 90 23 QJ309 45 100 25 QJ310 50 110 27 QJ302 10 26 8 QJ302 10 26 8