Ball and Roller Bearings - Ntn-snr.com

High Speed Single and Duplex Arrangements
r
B
r
B
ra
r
r
ra
D
d
Da
da
a
a
a
a
d 75105mm
Single
Back-to-back
arrangement
(DB)
Face-to-face
arrangement
(DF)
Tandem
arrangement
(DT)
Boundary dimensions Basic load ratings Limiting speeds 1 Bearing Load Mass
dynamic static dynamic static numbers center
kg
mm kN kgf rpm mm
single
2 2
d D B B r s min rls min C r C or C r C or grease oil a approx.
75
80
85
90
95
115 20 40 1.1 0.6 48.0 45.5 4,900 4,650 8,600 11,000 7015C 22.5 0.63
130 25 50 1.5 1 79.5 65.5 8,100 6,700 7,800 10,000 7215C 26.5 1.14
160 37 74 2.1 1.1 137 104 14,000 10,600 7,000 9,300 7315C 34 3.09
100 10 20 0.6 0.3 15.1 17.6 1,540 1,790 9,100 12,000 7816C 17 0.146
110 16 32 1 0.6 29.8 31.5 3,050 3,200 8,600 12,000 7916C 21 0.37
125 22 44 1.1 0.6 58.5 55.5 6,000 5,650 8,000 11,000 7016C 24.5 0.822
140 26 52 2 1 93.0 77.5 9,450 7,900 7,300 9,700 7216C 27.5 1.39
170 39 78 2.1 1.1 149 117 15,200 11,900 6,500 8,700 7316C 36 3.55
110 13 26 1 0.6 22.1 24.7 2,250 2,520 8,600 11,000 7817C 19.5 0.257
120 18 36 1.1 0.6 40.0 42.5 4,100 4,300 8,100 11,000 7917C 22.5 0.523
130 22 44 1.1 0.6 60.0 58.5 6,150 6,000 7,600 10,000 7017C 25.5 0.862
150 28 56 2 1 104 90.5 10,600 9,200 6,900 9,100 7217C 30 1.73
180 41 82 3 1.1 161 130 16,400 13,300 6,200 8,200 7317C 38.5 4.18
115 13 26 1 0.6 22.7 26.1 2,320 2,670 8,100 11,000 7818C 20 0.27
125 18 36 1.1 0.6 39.5 42.5 4,050 4,350 7,700 10,000 7918C 23.5 0.549
140 24 48 1.5 1 71.5 69.0 7,300 7,050 7,100 9,500 7018C 27.5 1.12
160 30 60 2 1 123 105 12,500 10,700 6,500 8,600 7218C 31.5 2.13
190 43 86 3 1.1 183 158 18,700 16,100 5,800 7,800 7318C 40.5 4.88
120 13 26 1 0.6 23.4 27.6 2,380 2,820 7,600 10,000 7819C 21 0.283
130 18 36 1.1 0.6 41.0 46.0 4,200 4,650 7,300 9,700 7919C 24 0.574
145 24 48 1.5 1 73.5 73.0 7,500 7,450 6,800 9,000 7019C 28 1.17
170 32 64 2.1 1.1 139 120 14,200 12,200 6,100 8,100 7219C 34 2.58
200 45 90 3 1.1 196 174 20,000 17,800 5,500 7,300 7319C 42.5 5.65
100
105
125 13 26 1 0.6 23.5 28.3 2,400 2,890 7,200 9,600 7820C 21.5 0.296
140 20 40 1.1 0.6 53.0 58.5 5,400 6,000 6,900 9,100 7920C 26 0.778
150 24 48 1.5 1 75.5 77.0 7,700 7,900 6,400 8,600 7020C 28.5 1.25
180 34 68 2.1 1.1 149 127 15,200 12,900 5,800 7,700 7220C 36 3.08
215 47 94 3 1.1 222 207 22,700 21,100 5,200 6,900 7320C 44.5 6.9
130 13 26 1 0.6 24.1 29.8 2,460 3,050 6,900 9,200 7821C 22 0.31
145 20 40 1.1 0.6 54.0 61.5 5,500 6,250 6,500 8,700 7921C 26.5 0.81
160 26 52 2 1 88.0 89.5 9,000 9,100 6,100 8,100 7021C 31 1.53
190 36 72 2.1 1.1 162 143 16,600 14,600 5,500 7,300 7221C 38 3.66
225 49 98 3 1.1 236 226 24,100 23,000 4,900 6,600 7321C 46.5 7.86
1 This value was achieved with laminated phenol resin machined cages; in the case of molded resin cages,with oil lubricant, the value will be 75% of this.
2 Minimal allowable dimension for chamfer dimension r or r1.
B-60