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High-Quality Internal gear single-row cross-roller rotary support Supplier, Factory
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High-Quality Internal gear single-row cross-roller rotary support Supplier, Factory

High-Quality Internal gear single-row cross-roller rotary support Supplier, Factory

The gear processing is carried out on the inner circumference of the inner ring. The driving small gear meshes with the inner teeth of the inner ring, driving the inner ring to rotate (the outer ring is fixed). It achieves the ultimate radial space saving without sacrificing the core performance. In extremely limited space scenarios, it provides a compact, high-precision, high-torque support and drive integration solution. 

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Product Description

Advantages

The structure is the most compact and the radial installation size is the smallest: All functions are integrated into a compact ring-shaped body with a small maximum outer diameter.

The gears are protected: The internal teeth are less likely to be accidentally damaged or contaminated.

The overall rigidity is good: The drive system is located at the center, which sometimes is beneficial for the overall structural design.

Technical Characteristics

11 series of basic parameters
Serial number Basic Size Configuration Size Mounting Size Structural Size Gear Data Outer Gear Data Inner Gear Data
Inner teeth D d H D1 D2 Bolt Hole Screw Hole n n1 D3 d1 H1 h b m da Z da Z
Type 0 Type 123
D0 Φ Φ T
1 113.25.500 602 398 75 566 434 18 M16 32 20 4 498 502 65 10 60 5 629 123 367 74
114.25.500 6 628.8 102 368.4 62
2 113.25.560 662 458 75 626 494 18 M16 32 20 4 558 562 65 10 60 5 689 135 427 86
114.25.560 6 688.8 112 428.4 72
3 113.25.630 732 528 75 696 564 18 M16 32 24 4 628 632 65 10 60 6 772.8 126 494.4 83
114.25.630 8 774.4 94 491.2 62
4 113.25.710 812 608 75 776 644 18 M16 32 24 4 708 712 65 10 60 6 850.8 139 572.4 96
114.25.710 8 854.4 104 571.2 72
5 113.28.800 922 678 82 878 722 22 M20 40 30 6 798 802 72 10 65 8 966.4 118 635.2 80
114.28.800 10 968 94 634 64
6 113.28.900 1022 778 82 978 822 22 M20 40 30 6 898 902 72 10 65 8 1062.4 130 739.2 93
114.28.900 10 1068 104 734 74
7 113.28.1000 1122 878 82 1078 922 22 M20 40 36 6 998 1002 72 10 65 10 1188 116 824 83
114.28.1000 12 1185.6 96 820.8 69
8 113.28.1120 1242 998 82 1198 1042 22 M20 40 36 6 1118 1122 72 10 65 10 1298 127 944 95
114.25.1120 12 1305.6 106 940.8 79
9 113.32.1250 1390 1110 91 1337 1163 26 M24 48 40 5 1248 1252 81 10 75 12 1449.6 118 1048.8 88
114.32.1250 14 1453.2 101 1041.6 75
10 113.32.1400 1540 1260 91 1487 1313 26 M24 48 40 5 1398 1402 81 10 75 12 1605.6 131 1192.8 100
114.32.1400 14 1607.2 112 1195.6 86
11 113.32.1600 1740 1460 91 1687 1513 26 M24 48 45 5 1598 1602 81 10 75 14 1817.2 127 1391.6 100
114.32.1600 16 1820.8 111 1382.4 87
12 113.32.1800 1940 1660 91 1887 1713 33 M24 48 45 5 1798 1802 81 10 75 14 2013.2 141 1573.6 113
114.32.1800 16 2012.8 123 1574.4 99
13 113.40.2000 2178 1825 112 2110 1891 33 M30 60 48 8 1997 2003 100 12 90 16 2268.8 139 1734.4 109
114.40.2000 18 2264.4 123 1735.2 97
14 113.40.2240 2418 2065 112 2350 2131 33 M30 60 48 8 2237 2243 100 12 90 16 2492.8 153 1990.4 125
114.40.2240 18 2498.4 136 1987.2 111
15 113.40.2500 2678 2325 112 2610 2391 33 M30 60 56 8 2497 2503 100 12 90 18 2768.4 151 2239.2 125
114.40.2500 20 2776 136 2228 112
16 113.40.2500 2978 2625 112 2910 2691 33 M30 60 56 8 2797 2803 100 12 90 18 3074.4 168 2527.2 141
114.40.2800 20 3076 151 2528 127
17 113.50.3150 3376 2922 134 3286 3014 45 M42 84 56 8 3147 3153 122 12 110 20 3476 171 2828 142
114.50.3150 22 3471.6 155 2824.8 129
18 113.50.3550 3776 3322 134 3686 3414 45 M42 84 56 8 2547 3553 122 12 110 20 3976 191 3228 162
114.50.3550 22 3889.6 174 3220.8 147
19 113.50.4000 4226 3772 134 4136 3864 45 M42 84 60 10 3997 4003 122 12 110 22 4329.6 194 3660.8 167
114.50.4000 25 4345 171 3660 147
20 113.50.4500 4726 4272 134 4636 4364 45 M42 84 60 10 4497 4503 122 12 110 22 4835.6 217 4166.8 190
114.50.4500 25 4845 191 4160 167

Typical Applications

Precision military turntables with limited space (such as those for vehicle-mounted or ship-mounted optical-electronic tracking equipment)

Miniaturized high-performance robotic rotating bases

Advanced safety-protected automated equipment

Special-designed yaw systems for certain types of wind turbines

Frequently Asked Questions

What are the core design advantages of the 11 Series bearings?

The 11 Series features an extremely compact, ring-shaped design that minimizes the radial installation size. By integrating all functions internally, it protects the gears from accidental damage and contamination while providing outstanding overall rigidity.

Why is the internal gear protection design beneficial?

With internal gear teeth, the driving mechanisms are enclosed and shielded from environmental hazards, dirt, and mechanical impact. This significantly reduces maintenance requirements and enhances the service life of the equipment.

What typical applications utilize the 11 Series parameters?

It is widely used in precision military turntables (vehicle-mounted or ship-mounted optical-electronic tracking), miniaturized high-performance robotic rotating bases, automated safety-protected machinery, and specialized wind turbine yaw systems.

How do I choose between Type 0 and Type 123 bolt hole configurations?

The choice depends on your specific mounting specifications and load distribution needs. The basic dimensions remain stable, but the hole type affects the bolt pitch circle and screw thread engagement layout as detailed in the technical characteristics table.

What is the range of basic sizes covered in the 11 Series?

The 11 Series covers a wide structural span, with external diameters (D) starting around 602 mm for smaller models and scaling up to 4726 mm for large-scale industrial operations, ensuring coverage for various payload capacities.

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