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Super Precision, High Speed Spindle Bearings


70X2 High-speed angular contact thrust bearings

70X2 B/DB series (contact angle = 30°)

70X2b-bd-High-speed-angular-contact-thrust-bearings
COREDEMAR Part Number Boundary dimensions Load rating Limiting speed Weight
d D 2B rsmin r1smin 2a Cr Cor Grease Oil Kg
mm KN r/min
7010X2 B/DB 50 80 28.5 1.0 0.6 69.0 22.3 48.5 9,000 12,000 0.27
7011X2 B/DB 55 90 33.0 1.1 0.6 77.5 28.2 61.5 8,500 11,000 0.40
7012X2 B/DB 60 95 33.0 1.1 0.6 81.5 29.3 67.0 8,000 10,000 0.43
7013X2 B/DB 65 100 33.0 1.1 0.6 85.5 30.5 72.5 7,500 9,500 0.48
7014X2 B/DB 70 110 36.0 1.1 0.6 93.5 41.5 95.5 7,000 9,000 0.62
7015X2 B/DB 75 115 36.0 1.1 0.6 97.5 42 100.0 6,300 8,500 0.65
7016X2 B/DB 80 125 40.5 1.1 0.6 106.0 49.5 119.0 6,000 8,000 0.91
7017X2 B/DB 85 130 40.5 1.1 0.6 110.0 50 124.0 5,600 7,500 0.95
7018X2 B/DB 90 140 45.0 1.5 1.0 119.0 65.5 161.0 5,000 7,000 1.25
7019X2 B/DB 95 145 45.0 1.5 1.0 123.0 66.5 168 4,800 6,300 1.30
7020X2 B/DB 100 150 45.0 1.5 1.0 127.0 67.5 175 4,500 6,000 1.35
7021X2 B/DB 105 160 49.5 2.0 1.0 136.0 78.5 201 4,300 5,600 1.72
7022X2 B/DB 110 170 54.0 2.0 1.0 144.0 86.5 228 4,000 5,300 2.21
7024X2 B/DB 120 180 54.0 2.0 1.0 153.0 89 246 3,800 5,000 2.37
7026X2 B/DB 130 200 63.0 2.0 1.0 170.0 112 299 3,400 4,500 3.54
7028X2 B/DB 140 210 63.0 2.0 1.0 178.0 122 345 3,200 4,300 3.78
7030X2 B/DB 150 225 67.5 2.1 1.1 191.0 143 410 3,200 4,300 4.59
7032X2 B/DB 160 240 72.0 2.1 1.1 204.0 155 450 3,000 4,000 5.58
7034X2 B/DB 170 260 81.0 2.1 1.1 221.0 182 535 2,800 3,800 7.84
7036X2 B/DB 180 280 90.0 2.1 1.1 238.0 234 670 2,600 3,600 10.20
7038X2 B/DB 190 290 90.0 2.1 1.1 246.0 238 700 2,400 3,200 10.7
7040X2 B/DB 200 310 99.0 2.1 1.1 263.0 263 770 2,000 3,000 13.8

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  70X2 High-speed angular contact thrust bearings V2.0 b Print v1