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


71900 High-speed angular contact ball bearings (ISO19)


71900 C = 15° Contact Angle

71900 AC = 25° Contact Angle

71900-High-speed-angular-contact-ball-bearings-ISO19
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
71900 C 10 22 6 0.30 0.10 5 2.9 1.8 70,000 110,000 0.010
71900 AC 10 22 6 0.30 0.10 7 2.7 1.7 67,000 100,000 0.010
71901 C 12 24 6 0.30 0.10 5 3.2 2.2 73,000 95,000 0.010
71901 AC 12 24 6 0.30 0.10 7 3.1 2.1 56,000 85,000 0.010
71902 C 15 28 7 0.30 0.10 6 4.8 3.4 53,000 80,000 0.020
71902 AC 15 28 7 0.30 0.10 9 4.6 3.2 50,000 75,000 0.020
71903 C 17 30 7 0.30 0.10 7 5.1 3.8 50,000 75,000 0.020
71903 AC 17 30 7 0.30 0.10 9 4.8 3.6 45,000 67,000 0.020
71904 C 20 37 9 0.30 0.15 8 7.4 5.8 40,000 60,000 0.040
71904 AC 20 37 9 0.30 0.15 11 7.0 5.6 38,000 56,000 0.040
71905 C 25 42 9 0.30 0.15 9 7.6 6.5 34,000 50,000 0.040
71905 AC 25 42 9 0.30 0.15 12 7.2 6.2 30,000 45,000 0.040
71906 C 30 47 9 0.30 0.15 10 8.0 7.6 30,000 45,000 0.050
71906 AC 30 47 9 0.30 0.15 13 7.6 7.2 26,000 40,000 0.050
71907 C 35 55 10 0.60 0.15 11 11.0 10.9 26,000 40,000 0.070
71907 AC 35 55 10 0.60 0.15 16 10.4 10.3 20,000 34,000 0.070
71908 C 40 62 12 0.60 0.15 13 14.0 14.2 20,000 34,000 0.110
71908 AC 40 62 12 0.60 0.15 18 13.3 13.5 18,000 30,000 0.110
71909 C 45 68 12 0.60 0.15 14 14.7 16.1 18,000 30,000 0.130
71909 AC 45 68 12 0.60 0.15 19 13.9 15.2 17,000 28,000 0.130
71910 C 50 72 12 0.60 0.15 14 19.0 21.2 17,000 28,000 0.130
71910 AC 50 72 12 0.60 0.15 20 17.9 20.1 15,000 24,000 0.130
71911 C 55 80 13 1.00 0.30 16 23.7 27.4 15,000 24,000 0.180
71911 AC 55 80 13 1.00 0.30 22 22.4 26.0 14,000 22,000 0.180
71912 C 60 85 13 1.00 0.30 16 24.8 30.3 14,000 22,000 0.190
71912 AC 60 85 13 1.00 0.30 23 23.3 28.7 13,000 20,000 0.190
71913 C 65 90 13 1.00 0.30 17 25.1 31.9 13,000 20,000 0.200
71913 AC 65 90 13 1.00 0.30 25 23.6 30.2 12,000 19,000 0.200
71914 C 70 100 16 1.00 0.30 19 34.5 43.4 12,000 19,000 0.330
71914 AC 70 100 16 1.00 0.30 28 32.6 41.2 11,000 18,000 0.330
71915 C 75 105 16 1.00 0.30 20 25.0 45.6 11,000 18,000 0.350
71915 AC 75 105 16 1.00 0.30 29 33.0 43.2 9,500 16,000 0.350
71916 C 80 110 16 1.00 0.30 21 35.5 47.8 10,000 17,000 0.370
71916 AC 80 110 16 1.00 0.30 30 33.5 45.3 9,000 15,000 0.370
71917 C 85 120 18 1.10 0.60 23 46.5 61.9 9,500 16,000 0.530
71917 AC 85 120 18 1.10 0.60 33 43.8 58.6 8,500 14,000 0.530
71918 C 90 125 18 1.10 0.60 23 47.2 64.8 9,000 15,000 0.560
71918 AC 90 125 18 1.10 0.60 34 44.5 61.4 8,000 13,000 0.560
71919 C 95 130 18 1.10 0.60 24 47.9 67.8 9,000 15,000 0.580
71919 AC 95 130 18 1.10 0.60 35 45.2 64.1 8,000 13,000 0.580
71920 C 100 140 20 1.10 0.60 26 60.4 84.4 8,500 14,000 0.790
71920 AC 100 140 20 1.10 0.60 38 56.9 79.9 8,000 13,000 0.790
71921 C 105 145 20 1.10 0.60 27 61.4 88.2 8,000 13,000 0.830
71921 AC 105 145 20 1.10 0.60 39 57.8 83.5 7,500 12,000 0.830
71922 C 110 150 20 1.10 0.60 27 62.3 91.9 7,500 12,000 0.860
71922 AC 110 150 20 1.10 0.60 40 58.7 87.0 7,000 11,000 0.860
71924 C 120 165 22 1.10 0.60 30 73.7 107.6 7,000 11,000 1.170
71924 AC 120 165 22 1.10 0.60 44 69.5 101.9 6,700 10,000 1.170
71926 C 130 180 24 1.50 0.60 33 76.3 117.1 6,700 10,000 1.580
71926 AC 130 180 24 1.50 0.60 48 71.9 10.9 6,000 9,000 1.580
71928 C 140 190 24 1.50 0.60 34 78.9 126.4 6,000 9,000 1.680
71928 AC 140 190 24 1.50 0.60 50 74.4 119.7 5,600 8,500 1.680
71930 C 150 210 28 2.00 1.00 38 118.2 175.1 5,600 8,500 2.480
71930 AC 150 210 28 2.00 1.00 56 111.4 165.8 5,000 7,500 2.480
71932 C 160 220 28 2.00 1.00 39 123.6 191.2 5,000 7,500 2.640
71932 AC 160 220 28 2.00 1.00 58 116.5 181.1 4,800 7,000 2.640
71934 C 170 230 28 2.00 1.00 41 125.7 200.0 4,800 7,000 2.770
71934 AC 170 230 28 2.00 1.00 61 118.5 189.4 4,300 6,300 2.770
71936 C 180 250 33 2.00 1.00 45 159.7 249.1 4,500 6,700 4.100
71936 AC 180 250 33 2.00 1.00 67 150.6 235.9 4,000 6,000 4.100
71938 C 190 260 33 2.00 1.00 47 162.8 260.8 4,300 6,300 4.290
71938 AC 190 260 33 2.00 1.00 69 153.5 247.0 3,800 5,600 4.290
71940 C 200 280 38 2.00 1.00 51 198.4 311.4 3,800 5,600 6.020
71940 AC 200 280 38 2.00 1.00 75 187.1 294.9 3,600 5,300 6.020
71944 C 220 300 38 2.10 1.00 54 206.6 341.1 3,600 6,300 6.520
71944 AC 220 300 38 2.10 1.00 80 194.8 323.0 3,200 4,800 6.520
71948 C 240 320 38 2.10 1.00 56 219.2 384.2 3,200 4,800 7.070
71948 AC 240 320 38 2.10 1.00 84 206.7 363.8 3,000 4,500 7.070
71952 C 260 360 46 2.10 1.00 64 284.6 528.8 3,000 4,500 12.000
71952 AC 260 360 46 2.10 1.00 95 268.3 500.8 2,600 4,000 12.000
71956 C 280 380 46 2.10 1.00 67 288.7 554.6 2,600 4,000 12.700
71956 AC 280 380 46 2.10 1.00 100 272.2 525.5 2,200 3,600 12.700
71960 C 300 420 56 3.00 1.10 76.2 360.0 570.0 2,400 3,800 20.400
71960 AC 300 420 56 3.00 1.10 111.9 340.0 540.0 2,200 3,600 20.400
71964 C 320 440 56 3.00 1.10 78.9 375.0 620.0 2,200 3,600 21.600
71964 AC 320 440 56 3.00 1.10 116.6 355.0 585.0 2,000 3,400 21.600
71968 C 340 460 56 3.00 1.10 81.6 380.0 640.0 2,200 3,600 22.700
71968 AC 340 460 56 3.00 1.10 121.3 360.0 610.0 1,900 3,200 22.700
71972 C 360 480 56 3.00 1.10 84.3 390.0 695.0 2,000 3,400 23.900
71972 AC 360 480 56 3.00 1.10 125.9 375.0 640.0 1,800 3,000 23.900
71976 C 380 520 65 4.00 1.50 92.8 460.0 810.0 1,900 3,200 34.300
71976 AC 380 520 65 4.00 1.50 137.4 430.0 770.0 1,700 2,800 34.300
71980 C 400 540 65 4.00 1.50 95.5 470.0 850.0 1,800 3,000 35.500
71980 AC 400 540 65 4.00 1.50 142.1 440.0 800.0 1,600 2,600 35.500
71984 C 420 560 65 4.00 1.50 98.1 480.0 890.0 1,700 2,800 37.600
71984 AC 420 560 65 4.00 1.50 146.7 450.0 840.0 1,500 2,400 37.600
71988 C 440 600 74 4.00 1.50 106.7 500.0 950.0 1,600 2,600 51.500
71988 AC 440 600 74 4.00 1.50 158.2 470.0 900.0 1,500 2,400 51.500
71992 C 460 620 74 4.00 1.50 109.3 510.0 1080.0 1,500 2,400 54.500
71992 AC 460 620 74 4.00 1.50 162.9 490.0 1000.0 1,400 2,200 54.500

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

 

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