ACE BEARING DESIGNATION BOUNDARY DIMENSION BASIC LOAD RATING LIMITING SPEED MASS KG d mm D mm B mm DYNAMIC C kgf STATIC Co kgf OIL LUBRICATION RPM GREASE LUBRICANT RPM QJ 208 40 80 18 52700 45000 9000 6700 0.45 QJ 209 45 85 19 58500 51000 8500 6300 0.52 QJ 210 50 90 20 61800 56000 7500 5600 0.59 QJ 211 55 100 21 79300 76500 7000 5300 0.77 QJ 212 60 110 22 92300 86500 6300 4800 0.99 QJ 213 65 120 23 104000 104000 5600 4300 1.20 QJ 214 70 125 24 114000 114000 5600 4300 1.30 QJ 215 75 130 25 117000 122000 5300 4000 1.45 QJ 308 40 90 23 115000 585000 8500 6300 0.78 QJ 309 45 100 25 93600 76500 7500 5600 1.05 QJ 310 50 110 27 111000 91500 6700 5000 1.35 QJ 311 55 120 29 127000 108000 6000 4500 1.75 QJ 312 60 130 31 146000 125000 5600 4300 2.15 QJ 313 65 140 33 165000 146000 5300 4000 2.70 QJ 314 70 150 35 186000 166000 4800 3600 3.15