Bearing No. Boundary dimensions Mass
mm Kg
d D B ≈
N1005 25 47 12 0.091
N1006 30 55 13 0.128
N1007 35 62 14 0.176
N1008 40 68 15 0.217
N1009 45 75 16 0.276
N1010 50 80 16 0.291
N1011 55 90 18 0.435
N1012 60 95 18 0.467
N1013 65 100 18 0.477
N1014 70 110 20 0.689
N1015 75 115 20 0.727
N1016 80 125 22 0.965
N1017 85 130 22 1.01
N1018 90 140 24 1.31
N1019 95 145 24 1.38
N1020 100 150 24 1.43
N1021 105 160 26 1.81
N1022 110 170 28 2.3
N1024 120 180 28 2.4
N1026 130 200 33 3.63
N1028 140 210 33 3.98
N1030 150 225 35 4.7