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pCall COREDEMAR Toll Free +1 800 959 0763
Super Precision, High Speed Spindle Bearings


71800 High-speed angular contact ball bearings (ISO18)


71800 C = 15° Contact Angle
71800 AC = 25° Contact Angle

H71900 Angular Contact Bearing Asymmetrical Rings Small Ball
COREDEMAR
Part Number
Boundary dimensions Load rating Limiting speed Weight
d D B rsmin r1smin a Cr Cor Grease Oil kg
mm KN r/min
71800 C 10 19 5 0.30 0.10 4 1.8 1.1 75,000 ###### 0.005
71800 AC 10 19 5 0.30 0.10 6 1.7 1.1 70,000 ###### 0.005
71801 C 12 21 5 0.30 0.10 5 2.0 1.4 70,000 Missing? 0.006
71801 AC 12 21 5 0.30 0.10 6 1.9 1.3 63,000 95,000 0.006
71802 C 15 24 5 0.30 0.10 5 2.2 1.8 60,000 90,000 0.007
71802 AC 15 24 5 0.30 0.10 7 2.1 1.7 53,000 80,000 0.007
71803 C 17 26 5 0.30 0.10 5 2.3 1.9 53,000 80,000 0.008
71803 AC 17 26 5 0.30 0.10 7 2.1 1.8 50,000 75,000 0.008
71804 C 20 32 7 0.30 0.10 7 3.9 3.4 45,000 67,000 0.018
71804 AC 20 32 7 0.30 0.10 9 3.7 3.2 40,000 60,000 0.018
71805 C 25 37 7 0.30 0.15 8 4.2 4.1 38,000 56,000 0.022
71805 AC 25 37 7 0.30 0.15 11 3.9 3.9 34,000 50,000 0.022
71806 C 30 42 7 0.30 0.15 8 4.4 4.8 32,000 48,000 0.025
71806 AC 30 42 7 0.30 0.15 12 4.1 4.5 28,000 43,000 0.025
71807 C 35 47 7 0.30 0.15 9 4.6 5.5 26,000 40,000 0.029
71807 AC 35 47 7 0.30 0.15 13 4.3 5.2 24,000 38,000 0.029
71808 C 40 52 7 0.30 0.15 10 4.8 6.2 24,000 38,000 0.032
71808 AC 40 52 7 0.30 0.15 14 4.5 5.8 20,000 34,000 0.032
71809 C 45 58 7 0.30 0.15 10 4.9 6.7 20,000 34,000 0.040
71809 AC 45 58 7 0.30 0.15 14 4.6 6.3 18,000 30,000 0.040
71810 C 50 65 7 0.30 0.15 11 7.4 10.0 18,000 30,000 0.052
71810 AC 50 65 7 0.30 0.15 17 6.9 9.5 16,000 26,000 0.052
71811 C 55 72 9 0.30 0.15 13 10.2 13.8 16,000 26,000 0.081
71811 AC 55 72 9 0.30 0.15 19 9.6 13.1 15,000 24,000 0.081
71812 C 60 78 10 0.30 0.15 14 13.4 18.0 15,000 24,000 0.100
71812 AC 60 78 10 0.30 0.15 21 12.6 17.0 14,000 22,000 0.100
71813 C 65 85 10 0.60 0.15 15 13.4 18.8 14,000 22,000 0.125
71813 AC 65 85 10 0.60 0.15 22 12.6 17.8 13,000 20,000 0.125
71814 C 70 90 10 0.60 0.15 16 13.8 20.3 13,000 20,000 0.133
71814 AC 70 90 10 0.60 0.15 24 13.0 19.1 12,000 19,000 0.133
71815 C 75 95 10 0.60 0.15 16 14.2 21.7 12,000 19,000 0.142
71815 AC 75 95 10 0.60 0.15 25 13.3 20.5 11,000 18,000 0.142
71816 C 80 100 10 0.60 0.15 17 14.5 23.1 11,000 18,000 0.150
71816 AC 80 100 10 0.60 0.15 26 13.6 21.8 9,500 16,000 0.150
71817 C 85 110 13 1.00 0.30 20 21.5 32.2 10,000 17,000 0.262
71817 AC 85 110 13 1.00 0.30 29 20.2 30.5 9,000 15,000 0.262
71818 C 90 115 13 1.00 0.30 20 21.7 33.5 9,500 16,000 0.274
71818 AC 90 115 13 1.00 0.30 30 20.4 31.6 8,500 14,000 0.274
71819 C 95 120 13 1.00 0.30 21 21.9 34.7 9,000 15,000 0.287
71819 AC 95 120 13 1.00 0.30 32 20.6 32.8 8,500 14,000 0.287
71820 C 100 125 13 1.00 0.30 22 22.5 37.0 8,500 14,000 0.301
71820 AC 100 125 13 1.00 0.30 33 21.2 34.9 8,000 13,000 0.301
71821 C 105 130 13 1.00 0.30 22 22.7 38.3 8,500 14,000 0.314
71821 AC 105 130 13 1.00 0.30 34 21.3 36.1 8,000 13,000 0.314
71822 C 110 140 16 1.00 0.30 25 31.8 51.6 8,000 13,000 0.496
71822 AC 110 140 16 1.00 0.30 37 29.9 48.7 7,500 12,000 0.496
71824 C 120 150 16 1.00 0.30 26 33.1 56.9 7,000 11,000 0.537
71824 AC 120 150 16 1.00 0.30 39 31.1 53.7 6,700 10,000 0.537
71826 C 130 165 18 1.10 0.60 29 38.7 67.6 6,700 10,000 0.782
71826 AC 130 165 18 1.10 0.60 43 36.3 63.8 6,000 9,000 0.782
71828 C 140 175 18 1.10 0.60 30 44.8 79.2 6,000 9,000 0.813
71828 AC 140 175 18 1.10 0.60 46 42.0 74.7 5,600 8,500 0.813
71830 C 150 190 20 1.10 0.60 33 51.2 92.0 5,600 8,500 1.140
71830 AC 150 190 20 1.10 0.60 50 48.0 86.8 5,000 7,500 1.140
71832 C 160 200 20 1.10 0.60 34 52.4 97.7 5,000 7,500 1.210
71832 AC 160 200 20 1.10 0.60 52 49.2 92.2 4,800 7,000 1.210
71834 C 170 215 22 1.10 0.60 37 66.5 123.4 4,800 7,000 1.610
71834 AC 170 215 22 1.10 0.60 56 62.4 116.5 4,300 6,300 1.610
71836 C 180 225 22 1.10 0.60 38.1 71.0 127.8 4,500 6,700 1.700
71836 AC 180 225 22 1.10 0.60 58.2 67.0 120.5 4,000 6,000 1.700
71838 C 190 240 24 1.50 0.60 40.8 80.0 130.7 4,300 6,300 2.200
71838 AC 190 240 24 1.50 0.60 62.1 75.0 123.3 3,800 5,600 2.200
71840 C 200 250 24 1.50 0.60 42.1 81.5 139.2 4,000 6,000 2.300
71840 AC 200 250 24 1.50 0.60 64.5 76.5 131.1 3,600 5,300 2.300
71844 C 220 270 24 1.50 0.60 44.8 83.0 148.0 3,800 5,600 2.500
71844 AC 220 270 24 1.50 0.60 69.1 78.0 139.4 3,400 5,000 2.500
71848 C 240 300 28 2.00 1.00 50.2 106.0 184.5 3,400 5,000 3.900
71848 AC 240 300 28 2.00 1.00 77 98.0 174.0 3,000 4,500 3.900
71852 C 260 320 28 2.00 1.10 52.9 107.0 191.9 3,200 4,800 4.200
71852 AC 260 320 28 2.00 1.10 81.6 100.0 180.5 3,000 4,500 4.200
71856 C 280 350 33 2.00 1.10 58.7 132.0 235.6 3,000 4,500 6.200
71856 AC 280 350 33 2.00 1.10 89.9 1234.0 222.3 2,600 4,000 6.200
71860 C 300 380 38 2.10 1.10 64.6 171.0 300.2 2,600 4,000 8.700
71860 AC 300 380 38 2.10 1.10 98.3 161.0 285.0 2,400 3,800 8.700
71864 C 320 400 38 2.10 1.10 67.2 175.0 321.1 2,400 3,800 9.000
71864 AC 320 400 38 2.10 1.10 102.9 165.0 302.1 2,200 3,600 9.000
71868 C 340 420 38 2.10 1.10 69.9 179.0 340.1 2,200 3,600 9.200
71868 AC 340 420 38 2.10 1.10 107.6 169.0 321.1 2,000 3,400 9.200
71872 C 360 440 38 2.10 1.10 72.6 183.0 359.1 2,000 3,400 10.300
71872 AC 360 440 38 2.10 1.10 112.3 173.0 338.2 1,800 3,000 10.300

This relieved outer ring design is also available in hybrid design (rings of highly refined steel and balls of Si3N4) Sealed versions are also available. Other contact angles can be provided as well. For speeds and engineering facts, please contact COREDEMAR directly.

Legend

d Inner Diameter Rs min Radius RPM Rotations/Minute
D Outer Diameter R1s min Radius KN Kilo Newtons
B Width Ra Axial Rigidity N Newtons (1N = .2248 lbs.)
Dw Ball Size Rr Radial Rigidity μ Micron (.00004′)
Z Ball Quantity mm Millimeters

 

packaging_specifications_download_pdf  71800 High-speed angular contact ball bearings (ISO18) v2.0 b Print v1