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YRT 580 Rotary Table Bearing For Machining Center Axial Turntable
Rotary Table Bearing YRT580 Bearing
A YRT bearing is a type of high-precision axial-radial bearing specifically designed for rotary tables, turntables, and other precision positioning applications. YRT stands for "Y-axis, Radial, and Thrust." These bearings consist of three main components: an axial component (thrust bearing), a radial component (radial bearing), and an integral or separate measuring system.The YRT580 turntable bearing consists of a thrust/center seat, a thrust/center shaft ring, a thrust washer, two-needle roller cage assemblies, and a set of centripetal cylindrical rollers. The seat ring and shaft ring have uniform mounting screw holes. This type of bearing has a high axial and radial load-carrying capacity. High tilt stiffness and extremely high accuracy. Suitable for rotary table, chucks, and iron heads as well as bearing arrangements for measurement and experimentation. This type of bearing also has high requirements for the matching equipment parts. When installing, it is necessary to control the tightening torque of the mounting screws.
Technical Parameters

|
Model Number |
Dimension |
Basic load rating(KN) |
limiting speed (grease) |
Weight Kg |
||||||||||
|
axial load |
radial load |
|||||||||||||
|
d |
D |
H |
H1 |
C |
D1 |
J |
J1 |
dynamic |
static |
dynamic |
static |
|||
|
unit:mm |
Ca |
Coa |
Cr |
Cor |
||||||||||
|
YRT50 |
50 |
126 |
30 |
20 |
10 |
105 |
63 |
116 |
38 |
158 |
28.5 |
49.5 |
440 |
1.6 |
|
YRT80 |
80 |
146 |
354 |
23.35 |
12 |
130 |
92 |
138 |
56 |
255 |
42.5 |
100 |
530 |
2.4 |
|
YRT100 |
100 |
185 |
38 |
25 |
12 |
160 |
112 |
170 |
76.5 |
415 |
47.5 |
120 |
430 |
4 |
|
YRT120 |
120 |
210 |
40 |
26 |
12 |
184 |
135 |
195 |
102 |
540 |
52 |
143 |
340 |
5.3 |
|
YRT150 |
150 |
240 |
40 |
26 |
12 |
214 |
165 |
225 |
112 |
630 |
56 |
170 |
320 |
6.2 |
|
YRT180 |
180 |
280 |
43 |
29 |
15 |
244 |
194 |
260 |
118 |
710 |
69.5 |
200 |
280 |
7.7 |
|
YRT200 |
200 |
300 |
45 |
30 |
15 |
274 |
215 |
285 |
120 |
765 |
81.5 |
220 |
260 |
9.7 |
|
YRT260 |
260 |
385 |
55 |
36.5 |
18 |
345 |
280 |
365 |
160 |
1060 |
93 |
290 |
200 |
18.3 |
|
YRT325 |
325 |
450 |
60 |
40 |
20 |
415 |
342 |
430 |
275 |
1930 |
120 |
345 |
170 |
25 |
|
YRT395 |
395 |
525 |
65 |
42.5 |
20 |
486 |
415 |
505 |
300 |
2280 |
186 |
655 |
140 |
33 |
|
YRT460 |
460 |
600 |
70 |
46 |
22 |
560 |
482 |
580 |
355 |
2800 |
200 |
765 |
120 |
45 |
|
YRT580 |
580 |
750 |
90 |
60 |
30 |
700 |
610 |
720 |
490 |
4250 |
228 |
965 |
80 |
89 |
|
YRT650 |
650 |
870 |
122 |
78 |
34 |
800 |
680 |
830 |
1040 |
8000 |
490 |
1800 |
65 |
170 |
|
YRT850 |
850 |
1095 |
124 |
80.5 |
37 |
1018 |
890 |
1055 |
1000 |
8650 |
455 |
1730 |
50 |
253 |
|
YRT950 |
950 |
1200 |
132 |
86 |
40 |
1130 |
990 |
1160 |
1290 |
11400 |
530 |
2040 |
40 |
312 |
|
YRT1030 |
1030 |
1300 |
145 |
92.5 |
40 |
1215 |
1075 |
1255 |
1380 |
12000 |
620 |
2650 |
39 |
375 |
Advantages
High Precision: YRT bearings are engineered to provide exceptional precision and accuracy. They offer low rotational resistance, minimal backlash, and high rigidity, ensuring precise positioning and repeatability in demanding applications.
Load-Carrying Capacity: YRT bearings are designed to handle both axial and radial loads simultaneously. They have a robust construction with a large number of rolling elements, enabling them to support high load capacities and resist deformation under heavy loads.
Compact Design: YRT bearings feature a compact and integrated design, combining axial and radial bearings into a single unit. This design eliminates the need for separate bearings, simplifying installation and reducing space requirements in the overall system.
Preloaded and Adjustable Preload: YRT bearings are often preloaded during the manufacturing process. Preloading minimizes clearance and enhances stiffness and rigidity, resulting in improved positioning accuracy. Additionally, some YRT bearings allow for axial preload adjustment, allowing fine-tuning of the preload according to specific application requirements.
Versatility: YRT bearings are versatile and find applications in various industries. They are commonly used in machine tools, robotics, rotary tables, indexing heads, precision turntables, and other high-precision positioning systems.
Integrated Measuring System (Optional): Some YRT bearings come with an integral measuring system or provide options for attaching external measuring systems. This allows for direct measurement of rotary table position, simplifying closed-loop control and enhancing overall system accuracy.
Functions
Axial Load Support: YRT bearings can support high axial loads, resisting forces acting parallel to the rotational axis. This capability is essential for applications that require both radial and axial load handling, such as rotary tables used in machining centers.
Radial Load Support: YRT bearings are designed to withstand radial loads, which are forces acting perpendicular to the rotational axis. The radial component of the YRT bearing provides stability and support to the rotating assembly.
Precise Positioning: YRT bearings enable precise angular positioning of rotary tables and turntables. Their low friction, high rigidity, and minimal backlash contribute to accurate and repeatable positioning, which is crucial in applications that require precise alignment and motion control.
Smooth Rotation: YRT bearings offer smooth and low-friction rotation, ensuring smooth operation and minimizing wear and tear on the bearing components. This characteristic is particularly advantageous for applications that require continuous or frequent rotation.
Overall, YRT bearings are renowned for their exceptional precision, load-carrying capacity, and versatility, making them ideal for applications that demand high accuracy, rigidity, and positioning control.
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