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


B71900/HQ1-2RZ Ultra high-speed

Sealed angular contact bearing (ISO19)


B71900/HQ1-2RZ C = 15° Contact Angle
B71900/HQ1-2RZ AC = 25° Contact Angle

B71900/HQ1-2RZ sealed ceramic ball bearing 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
B71900 C-2RZ/HQ1 10 22 6 0.30 0.10 5 1.9 1.0 100,000 0.010
B71900 AC-2RZ/HQ1 10 22 6 0.30 0.10 7 1.8 1.0 85,000 0.010
B71901 C-2RZ/HQ1 12 24 6 0.30 0.10 5 2.0 1.1 90,000 0.010
B71901 AC-2RZ/HQ1 12 24 6 0.30 0.10 7 1.9 1.1 75,000 0.010
B71902 C-2RZ/HQ1 15 28 7 0.30 0.10 6 2.2 1.4 75,000 0.020
B71902 AC-2RZ/HQ1 15 28 7 0.30 0.10 9 2.1 1.3 63,000 0.020
B71903 C-2RZ/HQ1 17 30 7 0.30 0.10 7 2.3 1.5 70,000 0.020
B71903 AC-2RZ/HQ1 17 30 7 0.30 0.10 9 2.2 1.4 60,000 0.020
B71904 C-2RZ/HQ1 20 37 9 0.30 0.15 8 3.9 2.7 56,000 0.040
B71904 AC-2RZ/HQ1 20 37 9 0.30 0.15 11 3.7 2.5 48,000 0.040
B71905 C-2RZ/HQ1 25 42 9 0.30 0.15 9 4.2 3.2 48,000 0.050
B71905 AC-2RZ/HQ1 25 42 9 0.30 0.15 12 3.9 3.0 40,000 0.050
B71906 C-2RZ/HQ1 30 47 9 0.30 0.15 10 6.3 4.9 43,000 0.050
B71906 AC-2RZ/HQ1 30 47 9 0.30 0.15 13 6.0 4.6 36,000 0.050
B71907 C-2RZ/HQ1 35 55 10 0.60 0.15 11 6.9 6.0 36,000 0.080
B71907 AC-2RZ/HQ1 35 55 10 0.60 0.15 15 6.5 5.6 30,000 0.080
B71908 C-2RZ/HQ1 40 62 12 0.60 0.15 13 7.2 6.8 32,000 0.120
B71908 AC-2RZ/HQ1 40 62 12 0.60 0.15 18 6.8 6.4 28,000 0.120
B71909 C-2RZ/HQ1 45 68 12 0.60 0.15 14 10.0 9.3 28,000 0.140
B71909 AC-2RZ/HQ1 45 68 12 0.60 0.15 19 9.4 8.8 24,000 0.140
B71910 C-2RZ/HQ1 50 72 12 0.60 0.15 14 10.3 10.1 26,000 0.140
B71910 AC-2RZ/HQ1 50 72 12 0.60 0.15 20 9.7 9.5 22,000 0.140
B71911 C-2RZ/HQ1 55 80 13 1.00 0.30 16 13.2 12.9 24,000 0.190
B71911 AC-2RZ/HQ1 55 80 13 1.00 0.30 22 12.4 12.2 20,000 0.190
B71912 C-2RZ/HQ1 60 85 13 1.00 0.30 16 13.6 13.9 22,000 0.200
B71912 AC-2RZ/HQ1 60 85 13 1.00 0.30 23 12.8 13.2 19,000 0.200
B71913 C-2RZ/HQ1 65 90 13 1.00 0.30 17 14.0 15.0 20,000 0.210
B71913 AC-2RZ/HQ1 65 90 13 1.00 0.30 25 13.2 14.1 18,000 0.210
B71914 C-2RZ/HQ1 70 100 16 1.00 0.30 19 18.3 19.9 19,000 0.360
B71914 AC-2RZ/HQ1 70 100 16 1.00 0.30 28 17.3 18.7 16,000 0.360
B71915 C-2RZ/HQ1 75 105 16 1.00 0.30 20 18.8 21.2 18,000 0.390
B71915 AC-2RZ/HQ1 75 105 16 1.00 0.30 29 17.6 20.0 15,000 0.390
B71916 C-2RZ/HQ1 80 110 16 1.00 0.30 21 21.0 23.9 17,000 0.400
B71916 AC-2RZ/HQ1 80 110 16 1.00 0.30 30 19.6 22.4 15,000 0.400
B71917 C-2RZ/HQ1 85 120 18 1.10 0.60 23 21.9 26.0 16,000 0.580
B71917 AC-2RZ/HQ1 85 120 18 1.10 0.60 33 20.4 24.5 13,000 0.580
B71918 C-2RZ/HQ1 90 125 18 1.10 0.60 23 23.6 28.5 15,000 0.600
B71918 AC-2RZ/HQ1 90 125 18 1.10 0.60 34 22.4 26.5 13,000 0.600
B71919 C-2RZ/HQ1 95 130 18 1.10 0.60 24 24.5 30.0 14,000 0.620
B71919 AC-2RZ/HQ1 95 130 18 1.10 0.60 35 22.8 28.0 12,000 0.620
B71920 C-2RZ/HQ1 100 140 20 1.10 0.60 26 29.0 36.0 13,000 0.860
B71920 AC-2RZ/HQ1 100 140 20 1.10 0.60 38 27.5 33.5 11,000 0.860
B71921 C-2RZ/HQ1 105 145 20 1.10 0.60 27 30.0 38.0 12,000 0.890
B71921 AC-2RZ/HQ1 105 145 20 1.10 0.60 39 28.0 35.5 11,000 0.890
B71922 C-2RZ/HQ1 110 150 20 1.10 0.60 27 34.5 43.8 12,000 0.900
B71922 AC-2RZ/HQ1 110 150 20 1.10 0.60 40 23.5 40.5 10,000 0.900
B71924 C-2RZ/HQ1 120 165 22 1.10 0.60 30 36.5 48.0 11,000 1.280
B71924 AC-2RZ/HQ1 120 165 22 1.10 0.60 44 34.0 45.0 9,000 1.280
B71926 C-2RZ/HQ1 130 180 24 1.50 0.60 33 41.1 55.9 9,000 1.680
B71926 AC-2RZ/HQ1 130 180 24 1.50 0.60 48 38.6 52.0 8,000 1.680
B71928 C-2RZ/HQ1 140 190 24 1.50 0.60 34 41.9 58.0 8,000 1.790
B71928 AC-2RZ/HQ1 140 190 24 1.50 0.60 50 39.4 54.0 7,500 1.790
B71930 C-2RZ/HQ1 150 210 28 2.00 1.00 38 47.5 71.1 7,500 2.830
B71930 AC-2RZ/HQ1 150 210 28 2.00 1.00 56 44.7 67.0 6,700 2.830
B71932 C-2RZ/HQ1 160 220 28 2.00 1.00 39 50.1 74.8 6,700 2.980
B71932 AC-2RZ/HQ1 160 220 28 2.00 1.00 58 47.1 70.5 6,300 2.980
B71934 C-2RZ/HQ1 170 230 28 2.00 1.00 41 57.7 86.8 6,300 3.070
B71934 AC-2RZ/HQ1 170 230 28 2.00 1.00 61 54.3 81.8 5,600 3.070
B71936 C-2RZ/HQ1 180 250 33 2.00 1.00 45 59.2 93.1 4,500 4.770
B71936 AC-2RZ/HQ1 180 250 33 2.00 1.00 67 55.7 87.7 5,300 4.770
B71938 C-2RZ/HQ1 190 260 33 2.00 1.00 47 75.0 116.1 5,300 4.800
B71938 AC-2RZ/HQ1 190 260 33 2.00 1.00 69 70.6 109.4 4,800 4.800
B71940 C-2RZ/HQ1 200 280 38 2.00 1.00 51 75.0 120.7 5,000 7.020
B71940 AC-2RZ/HQ1 200 280 38 2.00 1.00 75 70.5 113.7 4,500 7.020
B71944 C-2RZ/HQ1 220 300 38 2.00 1.00 54 84.6 139.6 4,800 7.470
B71944 AC-2RZ/HQ1 220 300 38 2.00 1.00 80 79.6 131.5 4,300 7.470

  1. Ultra high-speed bearings for grease pack spindles
  2. Other contact angles can be provided as well
  3. For preloading and other 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 b71900/hq1-2rz B71900/HQ1-2RZ sealed ceramic ball bearing ISO19 b Print v1