NTN - Precision Rolling Bearings

Main Spindle Bearings
Standard angular contact ball bearings (steel ball type) 70 series
Contact angle 30˚ d 10130mm
r
B
r1
r
r
D D1 d2
dd1 D2
a
Part Boundary dimensions Basic load ratings Static axial Limiting speed
number dynamic static dynamic static load capacity
mm kN kgf kN kgf min -1
grease oil
d D B rs min 1 r1s min 1 Cr Cor Cr Cor lubrication lubrication
7000U 10 26 8 0.3 0.15 5.00 2.33 510 238 2.12 216 48 200 65 700
7001U 12 28 8 0.3 0.15 5.45 2.74 555 279 2.37 242 41 900 57 100
7002U 15 32 9 0.3 0.15 6.15 3.45 625 350 2.86 292 36 600 49 800
7003U 17 35 10 0.3 0.15 7.65 4.20 780 430 3.70 380 33 000 45 000
7004U 20 42 12 0.6 0.3 10.3 6.10 1 050 620 5.45 560 27 300 37 200
7005U 25 47 12 0.6 0.3 11.3 7.40 1 150 755 6.40 655 23 900 32 500
7006U 30 55 13 1 0.6 14.5 10.2 1 480 1 040 8.90 910 20 000 27 200
7007U 35 62 14 1 0.6 18.3 13.4 1 870 1 370 11.0 1 120 17 700 24 100
7008U 40 68 15 1 0.6 19.5 15.4 1 990 1 570 12.4 1 260 15 900 21 700
7009U 45 75 16 1 0.6 23.1 18.7 2 360 1 910 15.4 1 570 14 300 19 500
7010U 50 80 16 1 0.6 24.5 21.1 2 500 2 150 17.1 1 740 13 200 18 000
7011U 55 90 18 1.1 0.6 32.5 27.7 3 300 2 830 22.0 2 240 11 900 16 200
7012U 60 95 18 1.1 0.6 33.0 29.5 3 350 3 000 23.2 2 360 11 100 15 100
7013U 65 100 18 1.1 0.6 35.0 33.0 3 550 3 350 25.5 2 600 10 400 14 200
7014U 70 110 20 1.1 0.6 44.0 41.5 4 500 4 200 33.5 3 450 9 500 13 000
7015U 75 115 20 1.1 0.6 45.0 43.5 4 600 4 450 35.0 3 600 9 000 12 300
7016U 80 125 22 1.1 0.6 55.0 53.0 5 600 5 400 42.0 4 300 8 400 11 400
7017U 85 130 22 1.1 0.6 56.5 56.0 5 750 5 700 44.0 4 500 8 000 10 900
7018U 90 140 24 1.5 1 67.5 66.5 6 850 6 750 54.0 5 500 7 500 10 200
7019U 95 145 24 1.5 1 69.0 70.0 7 050 7 150 56.5 5 800 7 200 9 800
7020U 100 150 24 1.5 1 70.5 74.0 7 200 7 500 59.5 6 050 6 900 9 400
7021U 105 160 26 2 1 82.5 85.5 8 400 8 750 68.0 6 900 6 500 8 800
7022U 110 170 28 2 1 95.0 97.5 9 650 9 950 79.5 8 100 6 100 8 400
7024U 120 180 28 2 1 96.5 103 9 850 10 500 83.5 8 500 5 700 7 800
7026U 130 200 33 2 1 121 131 12 300 13 400 106 10 800 5 200 7 100
1 Minimum allowable value for corner radius dimension r or r1.
94