NTN - Precision Rolling Bearings

Main Spindle Bearings
High-speed angular contact ball bearings (steel ball type) 2LAHSE9U series
Contact angle 20˚ d 50170mm
r
B
r1
r1
r
D D1 d2
d d1 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
2LA-HSE910U 50 72 12 0.6 0.3 10.7 7.95 1 090 810 13.2 1 350 23 100 37 200
2LA-HSE911U 55 80 13 1 0.6 13.3 9.90 1 360 1 010 16.5 1 690 20 800 33 600
2LA-HSE912U 60 85 13 1 0.6 13.8 10.8 1 410 1 100 18.1 1 850 19 400 31 300
2LA-HSE913U 65 90 13 1 0.6 13.9 11.3 1 420 1 150 18.9 1 930 18 200 29 300
2LA-HSE914U 70 100 16 1 0.6 20.4 16.1 2 080 1 640 26.9 2 750 16 600 26 700
2LA-HSE915U 75 105 16 1 0.6 21.2 17.5 2 160 1 790 29.4 3 000 15 600 25 200
2LA-HSE916U 80 110 16 1 0.6 21.4 18.3 2 190 1 870 30.0 3 100 14 800 23 900
2LA-HSE917U 85 120 18 1.1 0.6 29.1 24.2 2 960 2 470 40.0 4 100 13 700 22 100
2LA-HSE918U 90 125 18 1.1 0.6 30.0 26.2 3 100 2 670 43.5 4 450 13 100 21 100
2LA-HSE919U 95 130 18 1.1 0.6 30.5 27.3 3 100 2 780 45.5 4 650 12 500 20 200
2LA-HSE920U 100 140 20 1.1 0.6 35.5 32.0 3 600 3 250 53.0 5 450 11 700 18 900
2LA-HSE921U 105 145 20 1.1 0.6 36.0 33.0 3 650 3 400 55.0 5 650 11 300 18 200
2LA-HSE922U 110 150 20 1.1 0.6 36.5 34.5 3 700 3 500 57.0 5 850 10 800 17 500
2LA-HSE924U 120 165 22 1.1 0.6 46.5 44.0 4 750 4 500 74.0 7 550 9 900 15 900
2LA-HSE926U 130 180 24 1.5 1 57.5 54.5 5 850 5 550 91.0 9 300 9 100 14 600
2LA-HSE928U 140 190 24 1.5 1 58.0 57.0 5 900 5 800 95.0 9 700 8 500 13 800
2LA-HSE930U 150 210 28 2 1 77.5 75.5 7 900 7 700 125 12 800 7 800 12 600
2LA-HSE932U 160 220 28 2 1 78.0 78.5 7 950 8 000 131 13 400 7 400 11 900
2LA-HSE934U 170 230 28 2 1 79.0 81.5 8 050 8 300 136 13 900 7 000 11 300
1 Minimum allowable value for corner radius dimension r or r1.
112