NTN Catalog - Norfolkbearings.com

SERIES7230°Contact Angle72Units: INCHESMillimetersBearingNo.SINGLE ROW ANGULAR CONTACT BALL BEARINGSBore O.D. Width Fillet Radius Load Basic Load Limiting Weight LimitingCenter Ratings (lbs) Speeds (rpm) (lbs) Speeds (rpm)Dynamic Static Grease Oil Grease Oild D B r r1 a C Co Duplex: DB, DF, DT7200 0.3937 1.1811 0.3543 0.024 0.012 0.41 1,220 615 28,000 37,000 0.064 22,000 30,00010 30 9 0.6 0.3 10.57201 0.4724 1.2598 0.3937 0.024 0.012 0.45 1,600 810 25,000 33,000 0.077 20,000 26,00012 32 10 0.6 0.3 11.57202 0.5906 1.3780 0.4331 0.024 0.012 0.49 2,040 1,060 22,000 29,000 0.101 17,000 23,00015 35 11 0.6 0.3 12.57203 0.6693 1.5748 0.4724 0.024 0.012 0.57 2,690 1,490 19,000 26,000 0.141 15,000 21,00017 40 12 0.6 0.3 14.57204 0.7874 1.8504 0.5512 0.039 0.024 0.67 3,250 1,890 17,000 23,000 0.220 14,000 18,00020 47 14 1 0.6 177205 0.9843 2.0472 0.5906 0.039 0.024 0.75 3,650 2,320 14,000 19,000 0.276 11,000 15,00025 52 15 1 0.6 197206 1.1811 2.4409 0.6299 0.039 0.024 0.85 5,050 3,350 12,000 16,000 0.425 9,800 13,00030 62 16 1 0.6 21.57207 1.3780 2.8346 0.6693 0.043 0.024 0.94 6,700 4,500 11,000 14,000 0.619 8,600 11,00035 72 17 1.1 0.6 247208 1.5748 3.1496 0.7087 0.043 0.024 1.04 7,950 5,650 9,600 13,000 0.783 7,700 10,00040 80 18 1.1 0.6 26.57209 1.7717 3.3465 0.7480 0.043 0.024 1.12 8,900 6,450 8,700 12,000 0.891 6,900 9,20045 85 19 1.1 0.6 28.57210 1.9685 3.5433 0.7874 0.043 0.024 1.18 9,300 7,050 7,900 10,000 1.01 6,300 8,30050 90 20 1.1 0.6 307211 2.1654 3.9370 0.8268 0.059 0.039 1.30 11,500 8,900 7,100 9,500 1.32 5,700 7,60055 100 21 1.5 1 337212 2.3622 4.3307 0.8661 0.059 0.039 1.42 13,900 11,000 6,600 8,800 1.69 5,300 7,00060 110 22 1.5 1 367213 2.5591 4.7244 0.9055 0.059 0.039 1.50 15,800 13,000 6,100 8,100 2.12 4,900 6,50065 120 23 1.5 1 387214 2.7559 4.9213 0.9449 0.059 0.039 1.57 17,200 14,300 5,700 7,600 2.40 4,500 6,00070 125 24 1.5 1 407215 2.9528 5.1181 0.9843 0.059 0.039 1.67 17,800 15,400 5,300 7,100 2.58 4,200 5,60075 130 25 1.5 1 42.57216 3.1496 5.5118 1.0236 0.079 0.039 1.77 20,000 17,100 5,000 6,600 3.06 3,900 5,30080 140 26 2 1 457217 3.3465 5.9055 1.1024 0.079 0.039 1.89 22,400 19,900 4,700 6,200 3.92 3,700 5,00085 150 28 2 1 487218 3.5433 6.2992 1.1811 0.079 0.039 2.01 26,500 23,200 4,400 5,900 4.81 3,500 4,70090 160 30 2 1 517219 3.7402 6.6929 1.2598 0.083 0.043 2.15 30,000 26,500 4,100 5,500 5.89 3,300 4,40095 170 32 2.1 1.1 54.57220 3.9370 7.0866 1.3386 0.083 0.043 2.26 32,500 28,200 3,900 5,200 7.05 3,100 4,200100 180 34 2.1 1.1 57.57221 4.1339 7.4803 1.4173 0.083 0.043 2.38 35,000 32,000 3,700 5,000 8.36 3,000 4,000105 190 36 2.1 1.1 60.57222 4.3307 7.8740 1.4961 0.083 0.043 2.52 38,000 35,500 3,500 4,700 9.81 2,800 3,800110 200 38 2.1 1.1 647224 4.7244 8.4646 1.5748 0.083 0.043 2.70 41,000 40,000 3,200 4,300 13.8 2,600 3,400120 215 40 2.1 1.1 68.57226 5.1181 9.0551 1.5748 0.118 0.043 2.83 44,000 44,500 3,000 4,000 15.8 2,400 3,100130 230 40 3 1.1 727228 5.5118 9.8425 1.6535 0.118 0.043 3.05 45,500 48,500 2,700 3,600 19.4 2,200 2,900140 250 42 3 1.1 77.57230 5.9055 10.6299 1.7717 0.118 0.043 3.27 52,000 58,000 2,500 3,400 24.3 2,000 2,700150 270 45 3 1.1 837232 6.2992 11.4173 1.8898 0.118 0.043 3.50 59,000 69,000 2,400 3,200 30.2 1,900 2,500160 290 48 3 1.1 897234 6.6929 12.2047 2.0472 0.157 0.059 3.76 66,000 80,500 2,200 3,000 37.5 1,800 2,400170 310 52 4 1.5 95.57236 7.0866 12.5984 2.0472 0.157 0.059 3.86 68,500 86,500 2,100 2,800 39.0 1,700 2,200180 320 52 4 1.5 987238 7.4803 13.3858 2.1654 0.157 0.059 4.09 68,000 87,500 2,000 2,600 47.0 1,600 2,100190 340 55 4 1.5 1047240 7.8740 14.1732 2.2835 0.157 0.059 4.33 76,000 101,000 1,900 2,500 55.8 1,500 2,000200 360 58 4 1.5 11048