1.Product size
| Code |
Dimensions |
Fixing Holes |
Axial and
Radial Run-Out |
| De [mm] |
D1 [mm] |
Di [mm] |
C[mm] |
H1 [mm] |
H2[mm] |
Fe[mm] |
Ne |
he [mm] |
fi [mm] |
Ni |
hi[mm] |
L[mm] |
W[mm] |
[µm] |
| YRTS 460 |
600 -0,028 |
560 |
460 -0,023 |
22 |
46 ±0,225 |
70 |
580 |
45 |
9,3 |
482 |
46 |
9,3 |
15 |
8,2 |
6 |
2.Description:: YRTS precision rotary table bearing
Type:YRTS460 Precision rotary table bearing
Dimension: 460x600x70 mm
ID(inner diameter)/Bore: 460 mm
OD(outer diameter):600 mm
Width/Height/thickness:70 mm
Quantity: One Bearing
Axial Dynamic load rating Ca: 221 KN
Axial Static load rating Coa: 1690 KN
Radial Dynamic load rating Cr:168 KN
Radial Static load rating Cor:570 KN
Limiting Speed Grease: 560 r/min
Weight:45 kgs
The forging material:GCr15SiMn GCr15, Chrome steel
The delivery time:20-30 days
The package:standard export wooden case or carton boxes.
YRTS460 precision rotary table bearing is a kind of bearing fixed by a bidirectional thrust bearing and a centripetal-guided bearing. They can support radial loads, axial loads from both directions and tilting moments free from clearance and are particularly suitable for bearing arrangements with high requirements for running accuracy,like rotary tables, millings heads and reversible clamps chucks , milling heads, measuring instruments , test equipment as well as rotary turntable.
.Due to the fixing holes in the bearing rings, the units are very easy to fit.
The bearings are radially and axially preloaded after fitting.
3.What are the differences between domestic bearing and imported bearing?
1. Bearing accuracy. The size deviation and rotation accuracy of domestic bearings are very close to that of imported bearings. But with SKF imported bearings on the dispersion of a certain gap. Foreign countries have already started to study and apply such fine rotating precision indicators as "unrepeatable beating", while China's research on this aspect is still blank.
2. Vibration, noise and heterophony. Japan has introduced mute and ultra-silent bearings, while the vibration extreme level of Chinese bearings and Japanese bearings, generally more than 10dB difference.
3, in the life and reliability, deep groove ball bearing, for example, foreign brand products generally for calculating the life of a life of more than 8 times (up to 30 times more), reliability is more than 98% (or the pursuit of life, such as host), and the life of the Chinese bearings are generally only for calculating the 3 to 5 times of life, the reliability is approximately 96%.
4. In terms of high-speed performance, the DmN value of foreign famous products is up to 4 times 106mm r/min, while that of Chinese bearings is only 2 times 106mm r/min.
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