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The role of YRT150 rotary table bearing in four-axis machining center

time:Jun 29, 2024 source:Luoyang AVE Precision Bearing Co., Ltd.

YRT rotary table bearing is a high-performance bearing that plays a crucial role in the mechanical field. Its unique design and multiple functions make it an indispensable component in various industrial equipment. The role of machinery is particularly extensive, mainly reflected in supporting rotational motion, load bearing, high-precision motion, rigid stability, and compact design. The YRT turntable bearings play a crucial role in four axis machining center.

The role of YRT turntable bearings in four axis machining centers 

1. Supports rotational motion

The primary role of YRT turntable bearings in four or five axis machining centers is to provide reliable rotational support. The design of its inner and outer ring structures and rolling elements ensures that the mechanical system can rotate smoothly in both horizontal and vertical directions. This is particularly crucial for applications that require precise positioning and directional control, such as machine tools and automated production lines.

2. Load bearing capacity

This type of bearing is designed specifically for high load applications and can effectively withstand radial and axial loads from rotational motion. This makes YRT turntable bearings an ideal choice for bearing heavy machinery and equipment loads, such as cranes, excavators, and industrial robots.

3. High precision motion

The YRT150 turntable bearing is known for its high manufacturing accuracy, ensuring the accuracy of rotational motion. This is very important for applications that require high controllability and precision operation, such as in the aerospace industry, semiconductor manufacturing, and precision instruments.

4. Rigidity and stability

In the design process of YRT turntable bearings, rigidity was taken into consideration, which helps maintain the stability of the mechanical system. This improves the system's vibration resistance and deformation resistance for YRT150 or YRT200, ensuring stability in high demand working environments such as high-speed trains and wind turbines.


5. Compact design

The compact design of the YRT260 turntable bearing enables it to complete rotation tasks in limited space. This has great advantages in applications with spatial constraints, such as compact spaces in robot joints, medical equipment, and factory automation.


YRT turntable bearings provide comprehensive and reliable rotational support for mechanical systems with their high-quality performance and multiple functions. From supporting rotational motion to load bearing, to high-precision motion and rigid stability, as well as the advantages of compact design, the YRT150 turntable bearings not only serve as a single mechanical support in four or five axes, but also have a critical impact on the performance and efficiency of industrial equipment. Therefore, in various applications, YRT turntable bearings have demonstrated their irreplaceable position in the mechanical field with their unique contributions.

Model Dimension Fixing hole
d D H H1 H2 C d1 dn dm Inner ring Outer ring
mm do ds Ts QTY dL QTY
mm mm
YRT50 50 126 30 20 10 10 105 63 116 5.6 9 4.2 10 5.6 12
YRT80 80 146 35 23.35 11.65 12 130 92 138 5.6 10 4.2 10 4.6 12
YRT100 100 185 38 25 13 12 160 112 170 5.6 10 5.4 16 5.6 15
YRT120 120 210 40 26 14 12 184 135 195 7 11 6.2 22 7 21
YRT150 150 240 40 26 14 12 214 165 225 7 11 6.2 34 7 33
YRT180 180 280 43 29 14 15 244 194 260 7 11 6.2 46 7 45
YRT200 200 300 45 30 15 15 274 215 285 7 11 6.2 46 7 45
YRT260 260 385 55 36.5 18.5 18 345 280 365 9.3 15 8.2 34 9.3 33
YRT325 325 450 60 40 20 20 415 342 430 9.3 15 8.2 34 9.3 33
YRT395 395 525 65 42.5 22.5 20 486 415 505 9.3 15 8.2 46 9.3 45
YRT460 460 600 70 46 24 22 560 482 580 10 15 8.2 46 10 45
YRT580 580 750 90 60 30 30 700 610 720 11.4 18 11 46 11.4 42
YRT650 650 870 122 78 44 34 800 680 830 14 20 13 45 14 42
YRT850 850 1095 124 80.5 43.5 37 1018 890 1055 18.5 26 17 57 18.5 54
YRT950 950 1200 132 86 46 40 1130 990 1160 18.5 26 17 57 18.5 54
YRT1030 1030 1300 145 92.5 52.5 40 1215 1075 1255 18.5 26 17 66 18.5 66
YRT1200 1200 1490 164 108 56 52 1410 1240 1445 18.5 26 17 66 18.5 66

Model Joint screw QTY Lifting hole Pitch Screw tighten torque Basic rated load Limit speed Bearing friction torque Weight
Axial Radial
Dynamic Static Dynamic Static
MA Ca Coa Cr Cor Grease
G QTY QTY*t Nm KN r/min Nm Kg
YRT50 2 / / 12*30° 8.5 38 158 28.5 49.5 600 2.5 1.6
YRT80 2 / / 12*30° 8.5 56 255 42.5 100 530 3 2.4
YRT100 2 M5 3 18*20° 8.5 76.5 415 47.5 120 430 3 4.1
YRT120 2 M8 3 24*15° 14 102 540 52 143 340 7 5.3
YRT150 2 M8 3 36*10° 14 112 630 56 170 320 10 6.2
YRT180 2 M8 3 48*7.5° 14 118 710 69.5 200 280 12 7.7
YRT200 2 M8 3 48*7.5° 14 120 765 81.5 220 260 14 9.7
YRT260 2 M12 3 36*10° 34 160 1060 93 290 200 20 18.3
YRT325 2 M12 3 36*10° 34 275 1930 120 345 170 40 25
YRT395 2 M12 3 48*7.5° 34 300 2280 186 655 140 55 33
YRT460 2 M12 3 48*7.5° 34 355 2800 200 765 120 70 45
YRT580 2 M12 6 48*7.5° 68 490 4250 228 965 80 140 89
YRT650 2 M12 6 48*7.5° 116 1040 8000 490 1800 65 200 170
YRT850 2 M16 6 60*6° 284 1000 8650 455 1730 50 300 253
YRT950 2 M17 6 60*6° 284 1290 11400 530 2040 40 600 312
YRT1030 2 M18 6 72*5° 284 1380 12000 620 2650 35 800 375
YRT1200 2 M19 6 72*5° 284 1435 12850 745 2800 25 1000 450

Yiyang Advanced Manufacturing Development Zone, Luoyang City, Henan Province, China.

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