NTN - Precision Rolling Bearings

Main Spindle Bearings
l
r1as
ras
da Db
Dynamic equivalent radial load
PrXFrYFa
Single row / Tandem Back-to-back / Face-to-face
ifoFa
e FaFre FaFre FaFre FaFre
Cor
X Y X Y X Y X Y
0.178 0.35
0.357 0.36
0.714 0.38
1.57
1.53
1.46
1.76
1.71
1.64
2.56
2.48
2.38
1.07 0.4
1.42 1.59 2.31
1.43 0.41 1 0 0.44 1.38 1 1.55 0.72 2.25
2.14
3.57
5.35
7.14
0.43
0.44
0.47
0.49
1.33
1.25
1.18
1.13
1.49
1.4
1.32
1.26
2.16
2.03
1.92
1.83
Static equivalent radial load
PorXo FrYo Fa
Single row / Tandem Back-to-back / Face-to-face
Xo
0.52
Yo Xo Yo
0.54 1.04 1.08
When Por Fr with single-row or tandem
arrangement, Por Fr.
Load Mass Reference Abutment and fillet dimensions Part
center dimensions number
mm kg mm
Single-row da Db r1as l 2
a (approx.) d1 D2 min max max min
14.2 0.11 57.6 66.8 54.5 69.5 0.3 8.5 5S-2LA-HSL910UC
15.6 0.16 63.6 74.1 60.5 75.5 0.6 8.5 5S-2LA-HSL911UC
16.3 0.17 68.6 79.1 65.5 80.5 0.6 8.5 5S-2LA-HSL912UC
17.0 0.17 73.6 84.1 70.5 85.5 0.6 8.5 5S-2LA-HSL913UC
19.5 0.29 80.1 93.2 75.5 95.5 0.6 8.5 5S-2LA-HSL914UC
20.1 0.31 85.1 98.2 80.5 100.5 0.6 9 5S-2LA-HSL915UC
20.8 0.32 90.1 103.2 85.5 105.5 0.6 9 5S-2LA-HSL916UC
22.8 0.45 96.8 112.3 92 115.5 0.6 9 5S-2LA-HSL917UC
23.5 0.48 101.8 117.3 97 120.5 0.6 9 5S-2LA-HSL918UC
24.2 0.50 106.8 122.3 102 125.5 0.6 9 5S-2LA-HSL919UC
26.2 0.69 113.8 130.7 107 135.5 0.6 9 5S-2LA-HSL920UC
26.9 0.72 118.8 135.7 112 140.5 0.6 9 5S-2LA-HSL921UC
27.5 0.75 123.8 140.7 117 145.5 0.6 9 5S-2LA-HSL922UC
30.2 1.01 135.4 154.8 127 160.5 0.6 9 5S-2LA-HSL924UC
32.9 1.32 146.9 168.9 138.5 174.5 1 9 5S-2LA-HSL926UC
137