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High-Quality External tooth three-row cylindrical roller slewing bearing Manufacturers, Service
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High-Quality External tooth three-row cylindrical roller slewing bearing Manufacturers, Service

High-Quality External tooth three-row cylindrical roller slewing bearing Manufacturers, Service

The external tooth three-row cylindrical roller slewing bearing belongs to the 13 series. It is mainly composed of inner ring, outer ring, three rows of rollers, cage, sealing device, etc. The upper and lower as well as radial raceways of the three raceways are separated. The axial load and overturning moment are borne by the two sets of rollers placed horizontally along the axis, while the radial load is borne by the one set of rollers placed vertically along the axis. The external teeth are set on the outer ring of the slewing bearing and achieve rotational motion through meshing with gears. It is widely used in the field of heavy machinery.

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Product Description

Product Features

High Bearing Capacity

It can withstand large axial loads, overturning moments, and radial loads simultaneously.

Stable Transmission

The external teeth mesh with gears for transmission, featuring an accurate transmission ratio and smooth operation, ensuring the accuracy and stability of the equipment's rotational motion.

Model Specification

The common models include 131.25.500, 131.25.560, 131.25.630, etc. Detailed parameters are outlined below:

13 series of basic parameters
Serial number NO. Basic Size Configuration Size Mounting Size Structural Size Gear Data Outer Gear Data Inner Gear Data
Outerine teeth D d H D1 D2 n Bolt Hole Screw Hole n1 H1 h b x m da Z da Z
Type o Type 123
D0 Φ Φ T
1 131.25.500 634 366 148 598 402 24 18 M16 32 4 138 32 80 ±0.5 5 664 130 337 80
132.25.500 6 664.8 108 338.4 67
2 131.25.560 694 426 148 658 462 24 18 M16 32 4 138 32 80 ±0.5 5 724 142 397 77
132.25.560 6 724.8 118 398.4 58
3 131.25.630 764 496 148 728 532 28 18 M16 32 4 138 32 80 ±0.5 6 808.8 132 458.4 90
132.25.630 8 806.4 98 459.2 68
4 131.25.710 844 576 148 808 612 28 18 M16 32 4 138 32 80 ±0.5 6 886.8 145 536.4 75
132.25.710 8 886.4 108 539.2 60
5 131.32.800 964 636 182 920 680 36 22 M20 40 4 172 40 120 ±0.5 8 1006.4 123 595.2 87
132.32.800 10 1008 98 594 70
6 131.32.900 1064 736 182 1020 780 36 22 M20 40 4 172 40 120 ±0.5 8 1102.4 135 691.2 79
132.32.900 10 1108 108 694 66
7 131.32.1000 1164 836 182 1120 880 40 22 M20 40 5 172 40 120 ±0.5 10 1218 119 784 91
132.32.1000 12 1221.6 99 784.8 76
8 131.32.1120 1284 956 182 1240 1000 40 22 M20 40 5 172 40 120 ±0.5 10 1338 131 904 83
132.32.1120 12 1341.6 109 904.8 71
9 131.40.1250 1445 1055 220 1393 1107 45 26 M24 48 5 210 50 150 ±0.5 12 1509.6 123 988.8 96
132.40.1250 14 1509.2 105 985.6 82
10 131.40.1400 1595 1205 220 1543 1257 45 26 M24 48 5 210 50 150 ±0.5 12 1665.6 136 1144.8 96
132.40.1400 14 1663.2 116 1139.6 82
11 131.40.1600 1795 1405 220 1743 1457 48 26 M24 48 6 210 50 150 ±0.5 14 1873.2 131 1335.6 96
132.40.1600 16 1868.8 114 1334.4 84
12 131.40.1800 1995 1605 220 1943 1657 48 26 M24 48 6 210 50 150 ±0.5 14 2069.2 145 1531.6 110
132.40.1800 16 2076.8 127 1526.4 96
13 131.45.2000 2221 1779 231 2155 1845 60 33 M30 60 6 219 54 160 ±0.5 16 2300.8 141 1702.4 107
132.45.2000 18 2300.4 125 1699.2 95
14 131.45.2240 2461 2019 231 2395 2085 60 33 M30 60 6 219 54 160 ±0.5 16 2556.8 157 1926.4 121
132.45.2240 18 2552.4 139 1933.2 108
15 131.45.2500 2721 2279 231 2655 2345 72 33 M30 60 8 219 54 160 ±0.5 18 2822.4 154 2185.2 122
132.45.2500 20 2816 138 2188 110
16 131.45.2800 3021 2579 231 2955 2645 72 33 M30 60 8 219 54 160 ±0.5 18 3110.4 170 2491.2 139
132.45.2800 20 3116 153 2488 125
17 131.50.3150 3432 2868 270 3342 2958 72 45 M42 84 8 258 65 180 ±0.5 20 3536 174 2768 139
132.50.3150 22 3537.6 158 2758.8 126
18 131.50.3550 3832 3268 270 3742 3358 72 45 M42 84 8 258 65 180 ±0.5 20 3936 194 3168 159
132.50.3550 22 3933.6 176 3154.8 144
19 131.50.4000 4282 3718 270 4192 3808 80 45 M42 84 8 258 65 180 ±0.5 22 4395.6 197 3116.8 165
132.50.4000 25 4395 173 3610 145

Application Scenario

These slewing bearings are ideal for heavy machinery requiring larger diameters, including:

Bucket-wheel excavators
Wheeled cranes
Marine & Port cranes
Steel water transfer platforms
Large-tonnage truck cranes

Frequently Asked Questions

Q1: What types of loads can the 13 Series slewing bearings withstand?

The 13 Series slewing bearings are designed with a high bearing capacity to simultaneously withstand large axial loads, radial loads, and overturning moments.

Q2: How does the external teeth configuration benefit operation?

The external teeth mesh precisely with the gear system to provide an accurate transmission ratio and stable, smooth rotation, maximizing equipment accuracy.

Q3: What are the main applications for these slewing bearings?

They are highly suitable for heavy machinery with large diameters, such as bucket-wheel excavators, port and marine cranes, wheeled cranes, steel water transfer platforms, and large-tonnage truck cranes.

Q4: What models are commonly available in the 13 series?

Commonly specified models include 131.25.500, 131.25.560, and 131.25.630, among other models detailed in the basic parameters table.

Q5: Can the dimensions and gear specifications be customized?

Yes, we provide configuration sizes ranging from diameter 500 to 4000 to meet specific structural, tooth, and load requirements for different heavy machinery.

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