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External Gear Internal Flange Slewing Bearing - Robust & Reliable Rotation Solution

External Gear Internal Flange Slewing Bearing

External gear internal flange slewing bearings are specialized bearings designed to support high loads and provide precise rotational movement, featuring an external gear mechanism and an internal flange for mounting. This combination allows for efficient power transmission and easy integration into various systems. The bearing features an external gear ring that meshes with an internal pinion gear. This external gear design facilitates efficient power transmission and allows for compact integration into the system. The bearing includes an internal flange that provides a mounting surface on the inner ring. This flange allows for secure attachment to the machinery or structure, simplifying installation. The bearing may use balls or rollers arranged to handle axial, radial, and moment loads effectively. This arrangement ensures smooth rotation and even load distribution.

Product Details

External Gear Internal Flange Slewing Bearing Introduction

External gear internal flange slewing bearing, also known as LYMC slewing bearing, is a critical component used in various industries due to its unique design and exceptional performance. This article aims to provide an overview of  LYMC Slewing Bearing, highlight its advantages, and explore its common applications in different industries.

Interchangeable With
Model INA Model R.E Model TG Model Dimensions (mm) Installation Size (mm) Structural Dimensions (mm) Gear Parameters (mm) Rated Axial Static Load (KN) Weight(KG)
Da D di H La Li n1 n2 φ1 φ2 D1 d b h B C Di da m z do x
SLOR20/414Y  VLA200414N ZT  503.3 304 56 455 332 10 12 M12 φ18 480 369.5 40 8.5 47.5 44.5 415.5 412.5 5 99 495 600 31.2
SLOR20/414  VLA200414N  503.3 304 56 455 332 10 12 M12 18 480 40 11.5 47.5 44.5 415.5 412.5 5 99 495 295 29.5
SLOR20/414Y1  231.20.0400.013  504 304 56 455 332 10 12 M12 18 45.5 10.5 45.5 45.5 415.5 412.5 5 99 495 250 29.3
SLOR20/414Y2  231.20.0400.503  504 304 56 455 332 10 24 M12 18 45.5 10.5 45.5 45.5 415.5 412.5 5 99 495 250 29
SLOR20/414  E.505.20.00.C  504 304 56 455 332 10 12 M12 φ18 375 46 10 46 46 415.5 412.5 5 99 495 500 33.3
SLOR20/414A  E.505.20.C  504 304 56 455 332 10 12 M12 φ18 373 46 10 46 46 415.5 412.5 5 99 495 640 34
SLOR20/505  505 304 56 455 332 10 12 M12 φ18 368 56 10 46 46 413 409 5 99 495 470 32
SLOR20/414Y3  231.21.0475.013  504 305 56 455 332 10 12 M12 18 45.5 10.5 45.5 45.5 417 412.5 5 99 495 250 29.3
SLOR20/544Y  VLA200544N ZT  640.3 434 56 585 462 14 14 M12 φ18 502 44.5 11.5 44.5 44.5 545.5 542.5 6 105 630 670 41.5
SLOR20/544Y1  VLA200544N ZT  640.3 434 56 585 462 14 14 M12 φ18 499.5 44.5 8.5 47.5 44.5 545.5 542.5 6 105 630 790 41.6
SLOR20/544Y4  VLA200544N  640.3 434 56 585 462 14 14 M12 18 44.5 11.5 47.5 44.5 545.5 542.5 6 105 630 385 41.5
SLOR20/544Y3  231.20.0500.013  640.8 434 56 585 462 14 14 M12 18 45.5 10.5 45.5 45.5 545.5 542.5 6 105 630 330 39.5
SLOR20/544Y5  231.20.0500.503  640.8 434 56 585 462 14 28 M12 18 45.5 10.5 45.5 45.5 545.5 542.5 6 105 630 330 39.2
SLOR20/544  E.650.20.C  640.8 434 56 585 462 14 14 M12 φ18 505 46 10 46 46 545.5 542.5 6 105 630 670 40.6
SLOR20/544B  231.20.0500.503  640.8 434 56 585 462 14 28 M12 φ18 505 45.5 10.5 45.5 45.5 545.5 542.5 6 105 630 660 40.6
SLOR20/544Y2  231.21.0575.013  640.8 435 56 585 462 14 14 M12 18 45.5 10.5 45.5 45.5 547 542.5 6 105 630 330 39.5
SLOR20/643  742 534 56 685 562 16 16 M12 φ18 598 46 10 46 46 645 641 6 122 732 740 51.4
SLOR20/644Y  VLA200644N ZT  742.3 534 56 685 562 16 16 M12 φ18 599.5 44.5 8.5 47.5 44.5 645.5 642.5 6 122 732 900 50
SLOR 20/644Y1  VLA 200644N  742.3 534 56 685 562 16 16 M12 18 44.5 11.5 47.5 44.5 645.5 642.5 6 122 732 455 48.5
SLOR20/644Y2  231.20.0600.013  742.8 534 56 685 562 16 16 M12 18 45.5 10.5 45.5 45.5 645.5 642.5 6 122 732 390 47.6
SLOR20/644Y3  231.20.0600.503  742.8 534 56 685 562 16 32 M12 18 45.5 10.5 45.5 45.5 645.5 642.5 6 122 732 390 47.2
SLOR20/644  E.750.20.00.C  742.8 534 56 685 562 16 16 M12 φ18 605 46 10 46 46 645.5 642.5 6 122 732 780 55.1
SLOR20/644Y4  231.21.0675.013  742.8 535 56 685 562 16 16 M12 18 45.5 10.5 45.5 45.5 647 642.5 6 122 732 390 47.6
SBI-287  744 535 58 685 562 16 12 M12 M12 600 46 12 46 46 643 642 6 122 732 333 54.7
SLOR20/744Y  VLA200744N ZT  838.1 634 56 785 662 18 16 M12 φ18 699.5 44.5 8.5 47.5 44.5 745.5 742.5 6 138 828 1050 56
SLOR 20/744Y2  VLA 200744N  838.1 634 56 785 662 18 16 M12 18 44.5 11.5 47.5 44.5 745.5 742.5 6 138 828 530 54.5
SLOR20/744Y3  231.20.0700.013  838.8 634 56 785 662 18 16 M12 18 45.5 10.5 45.5 45.5 745.5 742.5 6 138 828 450 53.5
SLOR20/744Y1  231.20.0700.503  838.8 634 56 785 662 18 32 M12 18 45.5 10.5 45.5 45.5 745.5 742.5 6 138 828 450 53.1
SLOR20/744  E.850.20.00.C  838.8 634 56 785 662 18 16 M12 φ18 705 46 10 46 46 745.5 742.5 6 138 828 910 60
SLOR20/743  840 634 56 785 662 18 16 M12 φ18 698 46 10 46 46 745 741 6 138 828 840 57.7
SLOR20/744Y4  231.21.0775.013  838.8 635 56 785 662 18 16 M12 18 45.5 10.5 45.5 45.5 747 742.5 6 138 828 450 53.5
SLOR20/823  924 731 58 865 758 16 12 M12 M12 780 46 12 46 46 823 822 6 152 912 418 68
SLOR22/948  948 733 55 884 760 18 18 M12 φ18 800 45 10 45 45 842 838 8 117 936 1550 69.2
SLOR20/843  950 734 56 885 762 18 18 M12 φ18 798 46 10 46 46 845 841 8 117 936 920 69.2
SLOR20/844Y  VLA200844N ZT  950.1 734 56 885 762 18 18 M12 φ18 799.5 44.5 8.5 47.5 44.5 845.5 842.5 8 117 936 1200 66.4
SLOR 20/844Y2  VLA 200844N  950.1 734 56 885 762 18 18 M12 18 44.5 11.5 47.5 44.5 845.5 842.5 8 117 936 600 65.5
SLOR20/844Y3  231.20.0800.013  950.4 734 56 885 762 18 18 M12 18 45.5 10.5 45.5 45.5 845.5 842.5 8 117 936 510 65.1
SLOR20/844Y4  231.20.0800.503  950.4 734 56 885 762 18 36 M12 18 45.5 10.5 45.5 45.5 845.5 842.5 8 117 936 510 64.7
SLOR20/844  E.950.20.00.C  950.4 734 56 885 762 18 18 M12 φ18 805 46 10 46 46 845.5 842.5 8 117 936 1030 72.3
SLOR20/844Y1  231.21.0875.013  950.4 735 56 885 762 18 18 M12 18 45.5 10.5 45.5 45.5 847 842.5 8 117 936 510 65.1
SLOR 30/955  VLA 300955N  1096 805 90 1016 845 30 30 M20 22 71 19 71 71 953 957 9 120 1080 2550 170
SLOR30/955Y  281.30.0900.013  1096.2 805 90 1016 845 30 30 M20 22 71 19 71 71 953.5 956.5 9 120 1080 1750 165
SLOR25/954  281.30.0900.013  1096.2 805 90 1016 845 30 30 M20 φ22 893 71 19 71 71 953.5 956.5 9 120 1080 2150 144
SLOR30/1098A1  1098 805 90 1016 845 30 30 M20 φ22 893 71 19 71 71 953.5 956.5 9 120 1080 976
SLOR30/955  E.1100.32.00.C  1098 805 90 1016 845 30 30 M20 φ22 893 71 19 71 71 955 955 9 120 1080 2230 165
SLOR30/955Y  281.30.0975.013  1096.2 807 90 1016 845 30 30 M20 22 71 19 71 71 955 956.5 9 120 1080 1750 165
21 0941 01  1046 834 56 985 862 20 20 M12 φ18 898 46 10 46 46 945 941 8 129 1032 1150 74.6
SLOR20/944Y  VLA200944N ZT  1046.1 834 56 985 862 20 20 M12 φ18 899.5 44.5 8.5 47.5 44.5 945.5 942.5 8 129 1032 1350 72.4
SLOR 20/944Y1  VLA 200944N  1046.1 834 56 985 862 20 20 M12 18 44.5 11.5 47.5 44.5 945.5 942.5 8 129 1032 670 71.5
SLOR20/944Y2  231.20.0900.013  1046.4 834 56 985 862 20 20 M12 18 45.5 10.5 45.5 45.5 845.5 942.5 8 129 1032 570 69.6
SLOR20/944Y3  231.20.0900.503  1046.4 834 56 985 862 20 40 M12 18 45.5 10.5 45.5 45.5 845.5 942.5 8 129 1032 570 69.1
SLOR20/944  E.1050.20.00.C  1046.4 834 56 985 862 20 20 M12 φ18 905 46 10 46 46 945.5 942.5 8 129 1032 1440 82.3
SLOR20/944Y4  231.21.0975.013  1046.4 835 56 985 862 20 20 M12 18 45.5 10.5 45.5 45.5 947 942.5 8 129 1032 570 69.6
SLOR30/1055Y2  281.30.1000.013  1198 905 90 1116 945 30 30 M20 22 71 19 71 71 1053.5 1056.5 10 118 1180 1840 183
SLOR 30/1055Y1  VLA 301055N  1198 905 90 1116 945 30 30 M20 22 71 19 71 71 1053 1057 10 118 1180 2800 188
SLOR30/1055  E.1200.32.00.C  1200 905 90 1116 945 30 30 M20 φ22 993 71 19 71 71 1055 1055 10 118 1180 2500 183
SLOR30/1055Y  281.30.1075.013  1198 907 90 1116 945 30 30 M20 22 71 19 71 71 1055 1056.5 10 118 1180 1840 183
SLOR20/1094Y  VLA201094N ZT  1198.1 984 56 1135 1012 22 20 M12 φ18 1049.5 44.5 8.5 47.5 44.5 1095.5 1092.5 8 148 1184 2000 86
SLOR20/1094Y1  VLA 201094N  1198.1 984 56 1035 1012 22 20 M12 18 44.5 11.5 47.5 44.5 1095.5 1092.5 8 148 1184 770 83.5
SLOR20/1094Y2  231.20.1000.013  1198.4 984 56 1135 1012 22 20 M12 18 45.5 10.5 45.5 45.5 1095.5 1092.5 8 148 1184 665 83
SLOR20/1094Y3  231.20.1000.503  1198.4 984 56 1135 1012 22 40 M12 18 45.5 10.5 45.5 45.5 1095.5 1092.5 8 148 1184 665 82.5
SLOR20/1094  E.1200.20.00.C  1198.4 984 56 1135 1012 22 20 M12 φ18 1055 46 10 46 46 1095.5 1092.5 8 148 1184 1700 99
SLOR20/1094Y4  231.21.1075.013  1198.4 985 56 1135 1012 22 20 M12 18 45.5 10.5 45.5 45.5 1097 1092.5 8 148 1184 665 83
SLOR30/1155  281.30.1100.013  1298 1005 90 1216 1045 36 36 M20 22 71 19 71 71 1153.5 1156.5 10 128 1280 1900 200
SLOR30/1155Y1  VLA 301155N  1298 1005 90 1216 1045 36 36 M20 22 71 19 71 71 1153 1157 10 128 1280 3100 206
SLOR30/1155Y2  E.1300.32.00.C  1300 1005 90 1216 1045 36 36 M20 φ22 1093 71 19 71 71 1155 1155 10 128 1280 2700 200
SLOR30/1155Y  281.30.1175.013  1298 1007 90 1216 1045 36 36 M20 22 71 19 71 71 1155 1156.5 10 128 1280 1900 200
SLOR30/1255  281.30.1200.013  1398 1105 90 1316 1145 42 42 M20 22 71 19 71 71 1253.5 1256.5 10 138 1380 1950 216
SLOR 30/1255Y  VLA 301255N  1398 1105 90 1316 1145 42 42 M20 22 71 19 71 71 1253 1257 10 138 1380 3350 223
SLOR30/1255Y1  E.1400.32.00.C  1400 1105 90 1316 1145 42 42 M20 φ22 1193 71 19 71 71 1255 1255 10 138 1380 3000 216
SLOR30/1255Y2  281.30.1275.013  1398 1107 90 1316 1145 42 42 M20 22 71 19 71 71 1255 1256.5 10 138 1380 1950 216
SLOR30/1355  281.30.1300.013  1498 1205 90 1416 1245 42 42 M20 22 71 19 71 71 1353.5 1356.5 10 148 1480 2000 234
SLOR 30/1355Y1  VLA 301355N  1498 1205 90 1416 1245 42 42 M20 22 71 19 71 71 1353 1357 10 148 1480 3600 241
SLOR30/1355Y2  E.1500.32.00.C  1500 1205 90 1416 1245 42 42 M20 φ22 1293 71 19 71 71 1355 1355 10 148 1480 3220 234
SLOR30/1355Y3  281.30.1375.013  1498 1207 90 1416 1245 42 42 M20 22 71 19 71 71 1355 1356.5 10 148 1480 2000 234
SLOR30/1455Y3  281.30.1400.013  1598 1305 90 1516 1345 48 48 M20 22 71 19 71 71 1453.5 1456.5 10 158 1580 2050 250
SLOR25/1455  281.30.1400.013  1598 1305 90 1516 1345 48 48 M20 φ22 1393 71 19 71 71 1453.5 1456.5 10 158 1580 3261 252
SLOR 30/1455Y2  VLA 301455N  1598 1305 90 1516 1345 48 48 M20 22 71 19 71 71 1453 1457 10 158 1580 4000 258
SLOR30/1455Y1  E.1600.32.00.C  1600 1305 90 1516 1345 48 48 M20 φ22 1393 71 19 71 71 1455 1455 10 158 1580 3350 250
SLOR30/1455Y  281.30.1475.013  1598 1307 90 1516 1345 48 48 M20 22 71 19 71 71 1455 1456.5 10 158 1580 2050 250

Advantages of External Gear Internal Flange Slewing Bearing


1. Enhanced Load Capacity: LYMC slewing bearings are specifically designed to handle heavy axial and radial loads, making them ideal for applications that require exceptional load-carrying capabilities. The high load capacity ensures optimal efficiency and reliability in diverse operating conditions.

2. Compact Design: LYMC slewing bearings offer a compact design, allowing them to be integrated into space-constrained systems or machinery. Their efficient design maximizes available space while delivering exceptional rotational performance.

3. Rotational Precision: These slewing bearings are manufactured with high precision, ensuring minimal friction, smooth rotation, and accurate positioning. This characteristic is essential for applications that require precise control and movement.

4. Versatility: LYMC slewing bearings are versatile and can be customized to meet specific application requirements. They are available in various sizes, designs, and materials, making them suitable for a wide range of industrial applications.

Common Applications of External Gear Internal Flange Slewing Bearing

1. Construction Machinery: LYMC slewing bearings are extensively used in construction machinery, such as cranes, excavators, and concrete pumps. Their ability to handle heavy loads, combined with their compact design, makes them essential for safe and efficient operation in construction sites.

2. Wind Energy: These slewing bearings play a vital role in wind turbines. They are used in pitch and yaw systems, enabling the efficient adjustment of rotor blades to optimize wind energy capture. The high load capacity and rotational precision of LYMC slewing bearings ensure the stability and effectiveness of wind turbines.

3. Industrial Robotics: LYMC slewing bearings are utilized in industrial robotic systems for precise movement, enabling robots to perform delicate tasks with accuracy and efficiency. Their compact design and rotational precision contribute to the overall performance and reliability of these systems.

4. Mining Equipment: Proven to withstand harsh operating conditions, LYMC slewing bearings are commonly employed in mining equipment such as tunnel boring machines, stacker reclaimers, and crushers. They provide reliable support for heavy machinery, ensuring safe and efficient operations in demanding mining environments.

External gear internal flange slewing bearings offer numerous advantages such as enhanced load capacity, compact design, rotational precision, and versatility. Their applications span across various industries, including construction machinery, wind energy, industrial robotics, and mining equipment. The exceptional performance and reliability of  LYMC slewing bearings make them indispensable components in versatile applications, contributing to the overall efficiency and safety of various systems and machinery.