NTN - Precision Rolling Bearings

Main Spindle Bearings
High-speed angular contact ball bearings (ceramic ball type) 5S-2LA-HSE9U series
Contact angle 25˚ 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
5S-2LA-HSE910UAD 50 72 12 0.6 0.3 10.3 5.30 1 050 545 9.75 995 24 300 41 000
5S-2LA-HSE911UAD 55 80 13 1 0.6 12.9 6.65 1 310 680 12.1 1 240 22 000 37 000
5S-2LA-HSE912UAD 60 85 13 1 0.6 13.3 7.3 1 360 740 13.3 1 360 20 500 34 500
5S-2LA-HSE913UAD 65 90 13 1 0.6 13.5 7.6 1 370 775 13.9 1 420 19 200 32 300
5S-2LA-HSE914UAD 70 100 16 1 0.6 19.7 10.8 2 010 1 100 19.9 2 030 17 500 29 400
5S-2LA-HSE915UAD 75 105 16 1 0.6 20.5 11.8 2 090 1 200 21.5 2 200 16 500 27 800
5S-2LA-HSE916UAD 80 110 16 1 0.6 20.7 12.3 2 110 1 250 22.5 2 300 15 600 26 300
5S-2LA-HSE917UAD 85 120 18 1.1 0.6 28.1 16.2 2 860 1 660 29.4 3 000 14 500 24 400
5S-2LA-HSE918UAD 90 125 18 1.1 0.6 29.2 17.6 2 980 1 790 31.5 3 250 13 800 23 300
5S-2LA-HSE919UAD 95 130 18 1.1 0.6 29.5 18.3 3 000 1 870 33.0 3 400 13 200 22 200
5S-2LA-HSE920UAD 100 140 20 1.1 0.6 34.5 21.4 3 500 2 190 39.0 4 000 12 400 20 800
5S-2LA-HSE921UAD 105 145 20 1.1 0.6 34.5 22.3 3 550 2 270 40.5 4 150 11 900 20 000
5S-2LA-HSE922UAD 110 150 20 1.1 0.6 35.0 23.1 3 600 2 360 42.0 4 300 11 400 19 200
5S-2LA-HSE924UAD 120 165 22 1.1 0.6 45.0 29.6 4 600 3 000 54.0 5 550 10 400 17 500
5S-2LA-HSE926UAD 130 180 24 1.5 1 55.5 36.5 5 700 3 750 67.0 6 850 9 600 16 100
5S-2LA-HSE928UAD 140 190 24 1.5 1 56.0 38.0 5 700 3 900 70.0 7 150 9 000 15 200
5S-2LA-HSE930UAD 150 210 28 2 1 75.0 50.5 7 650 5 150 92.5 9 450 8 200 13 900
5S-2LA-HSE932UAD 160 220 28 2 1 75.5 52.5 7 700 5 350 96.5 9 850 7 800 13 200
5S-2LA-HSE934UAD 170 230 28 2 1 76.0 54.5 7 750 5 600 100 10 200 7 400 12 500
1 Minimum allowable value for corner radius dimension r or r1.
126