Three-row Cylindrical Roller Slewing Bearing(Without Gear Type )

 

Designation

Boundary Dimension

Mounting Hole Size

Basic load ratings

Mass

LYC

D

d

H

D1

D2

n1

n2

φ1

φ2

Coa(10KN)

Cor(10KN)

(Kg)

130.25.500 634 366 148 598 402 24 24 18 18 275 35.5 224
130.25.560 694 426 148 658 462 24 24 18 18 308 39.9 240
130.25.630 764 496 148 728 532 28 28 18 18 345 45.1 270
130.25.710 844 576 148 808 612 28 28 18 18 388 51.7 300
130.32.800 964 636 282 920 680 36 36 22 22 549 712 500
130.32.900 1064 736 182 1020 780 36 36 22 22 619 80.8 600
130.32.1000 1164 836 182 1120 880 40 40 22 22 689 90.3 680
130.32.1120 1284 956 182 1240 1000 40 40 22 22 768 102 820
130.40.1250 1445 1055 220 1393 1107 45 45 26 26 1110 146 1200
130.40.1400 1595 1205 220 1543 1257 45 45 26 26 1240 165 1300
130.40.1600 1795 1405 220 1743 1457 48 48 26 26 1420 190 1520
130.40.1800 1995 1605 220 1943 1657 48 48 26 26 1590 215 1750
130.45.2000 2195 1816 150 2127 1885 60 60 33 33 1690 66.3 1120
130.45.2240 2461 2019 231 2395 2085 60 60 33 33 2310 268 2700
130.45.2500 2721 2279 231 2655 2345 72 72 33 33 2580 302 3000
130.45.2800 3021 2579 231 2955 2645 72 72 33 33 2880 339 3400
130.50.3150 3432 2868 270 3342 2958 72 72 45 45 3590 381 5000
130.50.3550 3832 3268 270 3742 3358 72 72 45 45 4040 431 5600
130.50.4000 4280 3718 270 4192 3808 80 80 45 45 4560 487 6400
130.50.4500 4782 4218 270 4692 4308 80 80 45 45 5445 580 6942

 

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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