NTN - Large Bearings

Four Row Tapered Roller Bearings
C2
r
r1
B2
D
d
d 170220mm
Boundary dimensions
Basic load ratings
dynamic static dynamic static
mm kN kgf
d D B 2 C 2 r s min
1
r ls min
1
C r C or C r C or
170
177.800
180
187.325
190.000
190.500
198.438
200
203.200
206.375
215.900
216.103
240 175 175 2.5 3 835 2,200 85,500 224,000
260 144 144 2.5 3 840 1,730 85,500 176,000
280 181 181 2.5 2.5 1,150 2,420 117,000 247,000
280 185 185 2.5 3 1,240 2,540 127,000 259,000
247.650 192.088 192.088 3.3 1.5 1,000 2,760 102,000 281,000
279.400 234.950 234.947 3.3 1.5 1,420 3,400 145,000 345,000
304.800 238.227 233.365 3.3 3.3 1,580 3,100 161,000 320,000
250 185 185 2 2.5 895 2,350 91,500 239,000
254 185 185 2.5 3 910 2,390 93,000 244,000
300 280 280 3 3 2,160 4,800 220,000 490,000
269.875 211.138 211.138 3.3 1.5 1,240 3,400 127,000 345,000
268 196 196 2.5 3 1,060 2,850 108,000 291,000
270 190 190 2.5 2.5 1,080 2,940 111,000 300,000
270 190 190 2.5 0.6 1,220 3,050 125,000 310,000
292.100 225.425 225.425 3.3 1.5 1,570 4,150 160,000 425,000
266.700 187.325 188.912 3.3 1.5 1,040 2,990 106,000 305,000
284.162 225.425 225.425 3.3 1.5 1,530 4,000 156,000 410,000
282 206 206 2.5 3 1,200 3,300 122,000 335,000
290 160 160 2.5 2.5 925 2,210 94,500 226,000
310 200 200 3 3 1,530 3,300 156,000 340,000
317.500 215.900 209.550 3.3 3.3 1,270 2,820 129,000 288,000
282.575 190.500 190.500 3.3 0.8 1,120 2,890 114,000 294,000
288.925 177.800 177.800 3.3 0.8 1,110 3,250 114,000 335,000
330.200 263.525 269.875 3.3 1.5 2,000 5,150 204,000 525,000
220
300 230 230 2.5 2.5 1,360 3,650 138,000 375,000
310 226 226 3 4 1,380 3,800 141,000 385,000
320 200 200 3 1 1,390 3,400 141,000 345,000
1 Minimum allowable dimension for chamfer dimension r or r1.
B-182