Add : No.23 ,Dongmagou Industrial Zone, Luoyang National High&New Tech. Industry Development Zone ,Luoyang, Henan province ,China
P.C. : 471003
Tel : 0086-379-64241565 64279705
Fax : 0379-64276136
Sales Manager :Mr. Wang Shibin 13838887698
Engineer : Mr. Wang Shiliang 13937991234
E-Mail : lyjy@lybearing.com ; info@lybearing.cn
website: www.lybearing.com ; www.lybearing.cn
Taper roller bearings are separate bearings. the inner ring with roller and cage form the inner components, and can be mounted separately with outer ring. It has tapered raceway on inner and outer ring, and tapered rollers are mounted between the raceways.such bearing are mainly used to bear the combination load of radial and axial. The axial carrying capacity of the bearing is depended on the contact angle a (the outer raceway angle).the larger the a ,the higher the axial carrying capacity of the bearing . This bearing can be classified into single-row,double-row and four-row taper roller bearing according to rows of rollers.
The performance of Four-row taper roller bearing is more or less the same with the double-row taper roller bearing,and can bear larger radial load,but its limit rotating speed is lower.it is mainly used in heavy machinery,for instance,the working roll of rolling mill and backup roll ,etc.
Taper roller bearing use pressed steel plate cage,but when the size is larger,it will adopt the machined solid cage , which is welded with supporting rollers(each roller has a supporting hole in its radial center) .
FOUR ROW TAPER ROLLER BEARINGS d200-360mm
Dimensions |
Basic load ratings Dyc stc Cr Cor |
Old Model | New Model | Weight | ||
d | D | B / H | ||||
mm | mm | mm | KN | kg | ||
200 | 310 | 200 | 1970 4520 | 77740 | 77740 | 55.6 |
200 | 310 | 275 | 1230 4200 | 2077140 | - | 75.1 |
205 | 320 | 205 | 1060 2850 | 77741 | 77741 | 55.4 |
220 | 340 | 305 | 2457 5974 | 2077144E | 2077144E | 100.8 |
240 | 360 | 310 | 3300 7210 | 2077148 | 2077148 | 90.5 |
241.48 | 349.15 | 228.6 | 1732 4387 | - | 330782A | 70.4 |
250 | 385 | 255 | 2127 4948 | 3-703 | 380650 | 107.8 |
250 | 460 | 270 | 3040 5726 | 77750Y | 77750Y | 196 |
260 | 360 | 265 | 1990 5770 | 2077952 | 382952 | 80 |
260 | 400 | 255 | 2109 4957 | 77752 | 381052X2/HC | 123 |
260 | 400 | 345 | 2850 7700 | - | 382052 | 161 |
260 | 440 | 300 | 2715 5968 | 777752 | 777752 | 164 |
226.7 | 355.6 | 228.6 | 1780 5340 | - | 330822B | 62.8 |
280 | 420 | 250 | 1540 5300 | 77756 | - | 119 |
280 | 460 | 324 | 3780 8560 | 1077756 | 381156 | 215.7 |
300 | 460 | 390 | 3850 10200 | 2077160 | - | 222 |
320 | 480 | 380 | 3000 11500 | 2077164 | - | 252 |
340 | 460 | 310 | 2200 9300 | 2077968 | - | 147 |
340 | 520 | 520 | 3200 8200 | - | 381068 | 247 |
330.2 | 508 | 307.98 | 3806/330.2 | 232 | ||
360 | 480 | 375 | 2550 11800 | 77872 | - | 197 |
360 | 600 | 420 | 3950 13500 | 1077772 | 1077772 | 388 |
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