Page 162 of Ball and Roller Bearings by NTN Corporation Japan

high speed single and duplex arrangements brrrd da b ra ra da r d a single a back-to-back arrangement db a face-to-face arrangement df a tandem arrangement dt d 75 105mm boundary dimensions mm basic load ratings dynamic kn rs min 2 limiting speeds static rpm cor grease oil kgf 1 static cor dynamic cr bearing numbers load center mm a mass kg single approx ddbb rls min 2 cr 75 115 130 160 100 110 125 140 170 110 120 130 150 180 115 125 140 160 190 120 130 145 170 200 125 140 150 180 215 130 145 160 190 225 20 25 37 10 16 22 26 39 13 18 22 28 41 13 18 24 30 43 13 18 24 32 45 13 20 24 34 47 13 20 26 36 49 40 50 74 20 32 44 52 78 26 36 44 56 82 26 36 48 60 86 26 36 48 64 90 26 40 48 68 94 26 40 52 72 98 1.1 1.5 2.1 0.6 1 1.1 2 2.1 1 1.1 1.1 2 3 1 1.1 1.5 2 3 1 1.1 1.5 2.1 3 1 1.1 1.5 2.1 3 1 1.1 2 2.1 3 0.6 1 1.1 0.3 0.6 0.6 1 1.1 0.6 0.6 0.6 1 1.1 0.6 0.6 1 1 1.1 0.6 0.6 1 1.1 1.1 0.6 0.6 1 1.1 1.1 0.6 0.6 1 1.1 1.1 48.0 79.5 137 15.1 29.8 58.5 93.0 149 22.1 40.0 60.0 104 161 22.7 39.5 71.5 123 183 23.4 41.0 73.5 139 196 23.5 53.0 75.5 149 222 24.1 54.0 88.0 162 236 45.5 65.5 104 17.6 31.5 55.5 77.5 117 24.7 42.5 58.5 90.5 130 26.1 42.5 69.0 105 158 27.6 46.0 73.0 120 174 28.3 58.5 77.0 127 207 29.8 61.5 89.5 143 226 4,900 4,650 8,100 6,700 14,000 10,600 1,540 1,790 3,050 3,200 6,000 5,650 9,450 7,900 15,200 11,900 2,250 2,520 4,100 4,300 6,150 6,000 10,600 9,200 16,400 13,300 2,320 2,670 4,050 4,350 7,300 7,050 12,500 10,700 18,700 16,100 2,380 2,820 4,200 4,650 7,500 7,450 14,200 12,200 20,000 17,800 2,400 2,890 5,400 6,000 7,700 7,900 15,200 12,900 22,700 21,100 2,460 3,050 5,500 6,250 9,000 9,100 16,600 14,600 24,100 23,000 8,600 7,800 7,000 9,100 8,600 8,000 7,300 6,500 8,600 8,100 7,600 6,900 6,200 8,100 7,700 7,100 6,500 5,800 7,600 7,300 6,800 6,100 5,500 7,200 6,900 6,400 5,800 5,200 6,900 6,500 6,100 5,500 4,900 11,000 10,000 9,300 12,000 12,000 11,000 9,700 8,700 11,000 11,000 10,000 9,100 8,200 11,000 10,000 9,500 8,600 7,800 10,000 9,700 9,000 8,100 7,300 9,600 9,100 8,600 7,700 6,900 9,200 8,700 8,100 7,300 6,600 7015c 7215c 7315c 7816c 7916c 7016c 7216c 7316c 7817c 7917c 7017c 7217c 7317c 7818c 7918c 7018c 7218c 7318c 7819c 7919c 7019c 7219c 7319c 7820c 7920c 7020c 7220c 7320c 7821c 7921c 7021c 7221c 7321c 22.5 26.5 34 17 21 24.5 27.5 36 19.5 22.5 25.5 30 38.5 20 23.5 27.5 31.5 40.5 21 24 28 34 42.5 21.5 26 28.5 36 44.5 22 26.5 31 38 46.5 0.63 1.14 3.09 0.146 0.37 0.822 1.39 3.55 0.257 0.523 0.862 1.73 4.18 0.27 0.549 1.12 2.13 4.88 0.283 0.574 1.17 2.58 5.65 0.296 0.778 1.25 3.08 6.9 0.31 0.81 1.53 3.66 7.86 80 85 90 95 100 105 1 this value was achieved with laminated phenol resin machined cages in the case of molded resin cages,with oil lubricant the value will be 75 of this 2 minimal allowable dimension for chamfer dimension r or r1 b-60

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