NTN - Large Bearings

Angular Contact Ball Bearings SingleDuplex
r
B
r1
2B
2B
C
2C
ra
r
r
ra
D
d
D
d
Da
da
B
2B
a
a
a
a
a
single
d 130160mm
back-to-back
arrangement
(DB)
face-to-face
arrangement
(DF)
single
back-to-back
arrangement
(DB)
Boundary dimensions contact Basic load ratings Bearing Drawing 1 Load Mass
angle dynamic static dynamic static numbers No. center
mm single single single
kN kgf mm kg
d D B C r s min 2 r ls min
2
C r C or C r C or a (approx.)
130
140
145
150
200 33 2 1 30 117 125 12,000 12,800 7026 A 64 3.73
200 33 2 1 40 105 113 10,700 11,500 7026B A 86 3.78
205 24 2.5 1 30 75.0 90.0 7,650 9,150 SF2608 A 60.5 2.98
230 40 3 1.1 30 196 198 20,000 20,200 7226 A 72 7.15
230 40 3 1.1 40 177 180 18,100 18,300 7226B A 95.5 7.15
280 58 4 1.5 30 273 293 27,900 29,800 7326 A 88 17.6
280 58 4 1.5 40 250 268 25,500 27,400 7326B A 115 17.6
175 18 1.1 0.6 30 43.0 55.5 4,350 5,650 7828 A 54.5 0.97
190 24 1.5 1 30 75.5 90.0 7,700 9,150 7928 A 59.5 1.94
210 33 2 1 30 120 133 12,200 13,500 7028 A 67 3.96
210 33 2 1 40 107 119 10,900 12,100 7028B A 90 4.01
250 42 3 1.1 30 203 215 20,700 21,900 7228 A 77.5 8.78
250 42 3 1.1 40 183 195 18,700 19,900 7228B A 103 8.78
300 62 4 1.5 30 300 335 30,500 34,500 7328 A 94.5 21.5
300 62 4 1.5 40 275 310 28,100 31,500 7328B A 123 21.5
220 38 2.5 1.5 30 148 158 15,100 16,100 SF2951 A 71.7 5.15
190 20 1.1 0.6 30 54.5 70.5 5,550 7,200 7830 A 59 1.35
210 28 2 1 30 97.5 117 9,900 11,900 7930 A 66 2.96
225 35 2.1 1.1 30 137 154 14,000 15,700 7030 A 71.5 4.82
225 35 2.1 1.1 40 122 138 12,500 14,000 7030B A 96 4.88
270 45 3 1.1 30 232 259 23,700 26,400 7230 A 83 11
270 45 3 1.1 40 210 235 21,400 24,000 7230B A 111 11
320 65 4 1.5 30 330 380 33,500 39,000 7330 A 100 25.1
320 65 4 1.5 40 300 350 30,500 36,000 7330B A 131 25.1
160
200 20 1.1 0.6 30 55.5 74.0 5,650 7,550 7832 A 62 1.42
215 28 25 2.5 1.1 40 75.5 93.0 7,700 9,450 SF3208 F 91 2.74
220 28 2 1 30 98.5 121 10,000 12,300 7932 A 69 3.13
229.5 33 2.5 1 40 111 128 11,300 13,100 SF3209 A 98.5 4.52
229.5 33 2.5 1 40 111 128 11,300 13,100 SF3214 C 98.5 4.52
230 33 2.5 1 30 124 147 12,600 15,000 SF3210 A 73 4.15
240 38 2.1 1.1 30 155 176 15,800 18,000 7032 A 77 5.96
240 38 2.1 1.1 40 139 158 14,100 16,100 7032B A 103 5.98
290 48 3 1.1 30 263 305 26,800 31,500 7232 A 89 13.7
290 48 3 1.1 40 238 279 24,200 28,400 7232B A 118 13.7
340 68 4 1.5 30 345 420 35,500 43,000 7332 A 106 29.8
1 Drawing details are shown in Page B-15.
2 Smallest allowable dimension for chamfer dimension r or r1.
B-20