Three-row Cylindrical Roller Slewing Bearing(Internal Gear Type )

 

Designation

Boundary Dimension

Mounting Hole Size

Gear Data

Basic load ratings

Mass

INA

LYC

da

D

d

H

D1

D2

n1

n2

φ1

φ2

m

Z

b

do

x

Coa(10KN)

Cor(10KN)

(Kg)

YI.25.0500N   260 652   148 604 370 16 16 33 33 10 28 102 280   53.2   250
  133.25.500 335 634 366 148 598 402 24 24 18 18 5 68 80 340 +0.5 275 35.5 224
  134.25.500 336 634 366 148 598 402 24 24 18 18 6 57 80 342 +0.5 275 35.5 224
  133.25.560 395 694 426 148 658 462 24 24 18 18 5 80 80 400 +0.5 308 39.9 240
  134.25.560 396 694 426 148 658 462 24 24 18 18 6 67 80 402 +0.5 308 39.9 240
  133.25.630 456 764 496 148 728 532 28 28 18 18 6 77 80 462 +0.5 345 45.1 270
  134.25.630 456 764 496 148 728 532 28 28 18 18 8 58 60 464 +0.5 345 45.1 270
  133.25.710 534 844 576 148 808 612 28 28 18 18 6 90 80 540 +0.5 388 51.7 300
  134.25.710 536 844 576 148 808 612 28 28 18 18 8 68 80 544 +0.5 388 51.7 300
  133.32.800 592 964 636 182 920 680 36 36 22 22 8 75 120 600 +0.5 549 71.2 500
  134.32.800 590 964 636 182 920 680 36 36 22 22 10 60 120 600 +0.5 549 71.2 500
YI.20.0815N   608 954   120 905 705 28 28 26 26 8 78 80 624   83.3   275
  133.32.900 688 1064 736 182 1020 780 36 36 22 22 8 87 120 696 +0.5 619 80.8 600
  134.32.900 690 1064 736 182 1020 780 36 36 22 22 10 70 120 700 +0.5 619 80.8 600
  133.32.1000 780 1164 836 182 1120 880 40 40 22 22 10 79 120 790 +0.5 689 90.3 680
  134.32.1000 780 1164 836 182 1120 880 40 40 22 22 12 66 120 792 +0.5 689 90.3 680
  133.32.1120 900 1284 956 182 1240 1000 40 40 22 22 10 91 120 910 +0.5 768 102 820
  134.32.1120 900 1284 956 182 1240 1000 40 40 22 22 12 76 120 912 +0.5 768 102 820
  133.40.1250 984 1445 1055 220 1393 1107 45 45 26 26 12 83 150 996 +0.5 1110 146 1200
  134.40.1250 980 1445 1055 220 1393 1107 45 45 26 26 14 71 150 994 +0.5 1110 146 1200
YI.20.1270N   1064 1408   120 1360 1160 44 44 26 26 8 135 80 1080   127.8   430
YI.25.1390N   1140 1554   148 1494 1260 32 32 33 33 10 116 102 1160   140.2   720
  133.40.1400 1140 1595 1205 220 1543 1257 45 45 26 26 12 96 150 1152 +0.5 1240 165 1300
  134.40.1400 1134 1595 1205 220 1543 1257 45 45 26 26 14 80 150 1120 +0.5 1240 165 1300
YI.20.1490N   1272 1628   120 1580 1380 50 50 26 26 12 108 80 1296   149.3   505
  133.40.1600 1330 1795 1405 220 1743 1457 48 48 26 26 14 96 150 1344 +0.5 1420 190 1520
  134.40.1600 1328 1795 1405 220 1743 1457 48 48 26 26 16 84 150 1344 +0.5 1420 190 1520
YI.20.1600N   1380 1738   120 1690 1490 56 56 26 26 12 117 80 1404   160.1   550
  133.40.1800 1526 1995 1605 220 1943 1657 48 48 26 26 14 110 150 1540 +0.5 1590 215 1750
  134.40.1800 1520 1995 1605 220 1943 1657 48 48 26 26 16 96 150 1536 +0.5 1590 215 1750
YI.25.1795N   1540 1959   148 1899 1665 44 44 33 33 14 112 102 1568   179.8   905
YI.20.1800N   1568 1938   120 1890 1690 60 60 26 26 14 114 80 1596   179.8   620
YI.22.1850N   1624 1988   130 1940 1740 64 64 26 26 14 118 88 1652   184.8   695
YI.32.1965N   1696 2145   184 2085 1835 56 56 33 33 16 108 126 1728   205.5   1350
YI.22.2000N   1778 2138   130 2090 1890 72 72 26 26 14 129 88 1806   199.5   745
  133.45.2000 1696 2221 1779 231 2155 1845 60 60 33 33 16 107 160 1712 +0.5 2050 239 2400
  134.45.2000 1692 2221 1779 231 2155 1845 60 60 33 33 18 95 160 1710 +0.5 2050 239 2400
YI.22.2230N   2002 2368   130 2320 2120 80 80 26 26 14 145 88 2030   222   850
  133.45.2240 1920 2461 2019 231 2395 2085 60 60 33 33 16 121 160 1936 +0.5 2310 268 2700
  134.45.2240 1926 2461 2019 231 2395 2085 60 60 33 33 18 108 160 1944 +0.5 2310 268 2700
YI.32.2405N   2124 2585   184 2525 2275 64 64 33 33 18 120 126 2160   1450   1690
  133.45.2500 2178 2721 2279 231 2655 2345 72 72 33 33 18 122 160 2196 +0.5 2580 302 3000
  134.45.2500 2180 2721 2279 231 2655 2345 72 72 33 33 20 110 160 2200 +0.5 2580 302 3000
YI.25.2500N   2220 2664   148 2604 2370 56 56 33 33 20 113 102 2260   1400   1320
YI.32.2500N   2220 2680   148 2604 2370 72 72 33 33 20 113 126 2260   1550   1700
YI.32.2490N   2250 2628   130 2580 2380 84 84 26 26 18 127 88 2286   1300   950
  133.45.2800 2484 3021 2579 231 2955 2645 72 72 33 33 18 139 160 2502 +0.5 2880 339 3400
  134.45.2800 2480 3021 2579 231 2955 2645 72 72 33 33 20 125 160 2500 +0.5 2880 339 3400
YI.32.2800N   2508 2980   184 2920 2670 88 88 33 33 22 116 126 2552   2000   1960
YI.25.2800N   2520 2964   148 2904 2670 64 64 33 33 20 128 102 2560   1550   1500
YI.40.2860N   2520 3072   226 3000 2700 68 68 39 39 24 107 160 2568   2700   2900
YI.22.2800N   2556 2938   130 2890 2690 96 96 26 26 18 144 88 2592   1650   1110
YI.25.3015N   2720 3179   148 3119 2885 72 72 33 33 20 138 102 2760   1700   1650
YI.32.3150N   2860 3330   184 3270 3020 88 88 33 33 22 132 126 2904   2300   2180
  133.50.3150 2760 3432 2868 270 3342 2958 72 72 45 45 20 139 180 2780 +0.5 3590 381 5000
  134.50.3150 2750 3432 2868 270 3342 2958 72 72 45 45 22 126 180 2772 +0.5 3590 381 5000
  133.50.3150.11K 2761 3432   270 3342 2958 60 60 39 39 20 139 180 2780 +0.5 3575   5174
  134.50.3150.11K 2759 3432   270 3342 2958 72 72 45 45 22 126 180 2772 +0.5 3575   5104
  133.50.3150.12K1 2754 3432   270 3342 2958 60 60 39 39 18 154 180 2772 +0.5 3575   5174
  134.50.3150.12K 2761 3432   270 3342 2958 60 60 39 39 20 139 180 2780 +0.5 3575   5174
  133.50.3550 3160 3832 3268 270 3742 3358 72 72 45 45 20 159 180 3180 +0.5 4040 431 5600
  134.50.3550 3146 3832 3268 270 3742 3358 72 72 45 45 22 144 180 3168 +0.5 4040 431 5600
YI.32.3550N   3256 3730   184 3670 3420 98 98 33 33 22 150 126 3300   2600   2470
YI.25.3750N   3454 3914   148 3854 3620 88 88 33 33 22 159 102 3498   2150   2020
YI.40.4000N   3648 4212   226 4140 3740 96 96 39 39 24 154 160 3696   3500   4100
YI.32.4000N   3696 4180   184 4120 3870 108 108 33 33 22 170 126 3740   2750   2850
  133.50.4000 3608 4280 3718 270 4192 3808 80 80 45 45 22 165 180 3630 +0.5 4560 487 6400
  134.50.4000 3600 4280 3718 270 4192 3808 80 80 45 45 25 145 180 3625 +0.5 4560 487 6400
YI.25.4300N   4004 4464   148 4404 4170 100 100 33 33 22 184 102 4048   2430   2260
  133.50.4500 4114 4782 4218 270 4692 4308 80 80 45 45 22 188 185 4136 +0.5 5445 580 6942
  134.50.4500 4100 4782 4218 270 4692 4308 80 80 45 45 25 165 185 4125 +0.5 5445 580 6942
YI.25.4610N   4312 4774   148 4714 4480 108 108 33 33 22 198 102 4356   2550   2490
YI.40.4915N   4560 5127   226 5055 4755 116 116 39 39 24 192 160 4608   4430   5020
YI.50.5000N   4584 5260   280 5170 4800 92 92 49 49 24 193 202 4632   5180   7980

 

Three-row Cylindrical Roller Slewing Bearing
The LYNB three-row cylindrical roller slewing bearing can carry axial load, tilting moment, and radial load at the same time. Compared to cross-cylindrical roller slewing bearing, the load of each roller is reduced. Point contact is changed into line contact.Compared with that of a double row ball slewing bearing, and the contact stresses are also decreased. Therefore, the load capacity of this design of slewing baring is the highest under the conditions of a bearing with the same boundary dimension. Axial load and radial load for this design are loaded by different rollers, in which the axial load and tilting moment are loaded by two groups of horizontal placed rollers, the radial load is loaded by one group of vertical placed rollers.
LYNB three-row cylindrical roller slewing bearing mainly consists of the components such as inner ring, outer ring, three rows of rollers, cage (spacing blocks), and a seal device etc.
The design applications where there is a large axial load, tilting moment, a larger radial load, or a low requirement for friction moment.
The basic structure of LYNB three-row cylindrical roller slewing bearing as below:
Without gear 
External gear
Internal gear
▲   The design’s of all these slewing bearing are based on standard structures; LYNB can design and manufacture many other similar structures in accordance to the special and particular requirements of their customers’. If our customer’s have specific requests then the customer should identify the structure, and mounting dimensions that are required. Please contact the LYNB Technical Center if you need any assistance in this area.
 
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