Ball and Roller Bearings - Ntn-snr.com

Double Row Angular Contact Ball Bearings
B
r
ra
r
D d
Da da
a
ra
Equivalent bearing load
dynamic
PrXFrYFa
Fa Fa
e
e Fr Fr e
X Y X Y
0.80 1 0.78 0.63 1.24
static
PorFrFa
d 70100mm
Boundary dimensions Basic load ratings Limiting speeds Bearing Abutment and Load Mass
dynamic static dynamic static numbers fillet dimensions center
mm kN kgf rpm mm mm kg
d D B r s min
1
d a D a r as
C r C or C r C or grease oil min max max a approx.
70
75
80
85
90
95
100
125 39.7 1.5 90.5 79.5 9,250 8,100 2,900 3,900 5214 78.5 116.5 1.5 74.5 1.8
150 63.5 2.1 155 125 15,800 12,700 2,600 3,500 5314 82 138 2 93 4.74
130 41.3 1.5 90.0 80.5 9,200 8,200 2,700 3,600 5215 83.5 121.5 1.5 78 1.9
160 68.3 2.1 168 141 17,200 14,400 2,400 3,200 5315 87 148 2 98 5.65
140 44.4 2 106 95.5 10,800 9,700 2,500 3,400 5216 90 130 2 83.5 2.39
150 49.2 2 112 106 11,400 10,900 2,400 3,200 5217 95 140 2 91 3.06
160 52.4 2 140 129 14,300 13,100 2,200 3,000 5218 100 150 2 95.5 3.73
170 55.6 2.1 159 148 16,200 15,000 2,100 2,800 5219 107 158 2 101 4.86
180 60.3 2.1 178 167 18,200 17,100 2,000 2,700 5220 112 168 2 108 5.94
1 Smallest allowable dimension for chamfer dimension r.
B-73