Special Issue; Products for Industrial Machinery - NTN
Special Issue; Products for Industrial Machinery - NTN
Special Issue; Products for Industrial Machinery - NTN
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Introduction of New <strong>Products</strong> <strong>for</strong> Machine Tools<br />
Next-Generation Deep-Groove Ball Bearing <strong>for</strong> High-Speed Servo Motors<br />
New design of high speed deep-groove ball bearings<br />
with prefilled grease<br />
Sealed deep-groove ball bearings<br />
62XX and 63XX series<br />
Capable of dmn 95 x 10 4<br />
Newly designed resin cage <strong>for</strong><br />
high-speed with long-life grease<br />
Structure<br />
¡Optimized design that ensures reliable<br />
lubrication<br />
Newly designed resin cage <strong>for</strong> high-speed<br />
with long-life grease<br />
¡Maintenance-free<br />
No grease refilling needed<br />
No cleaning needed<br />
More than three times as durable<br />
Temperature increase<br />
on the outer ring ˚C<br />
100<br />
80<br />
60<br />
40<br />
20<br />
High-speed temperature increase test<br />
Newly designed cage<br />
Cap-type cage<br />
Test time h<br />
6000<br />
5000<br />
4000<br />
3000<br />
2000<br />
1000<br />
High-speed and high-temperature endurance test<br />
0<br />
3000<br />
Bearing<br />
description<br />
Grease<br />
6000<br />
9000<br />
Bearing speed min -1<br />
12000<br />
6308 dual-side non-contact seal<br />
40mm90mm23mm<br />
ME-1 grease common to both cage designs<br />
15000<br />
dn=60 million<br />
dmn=95 million<br />
<br />
0<br />
Sheet steel wave-type<br />
cage with MP-1 grease<br />
Bearing<br />
description<br />
Bearing speed<br />
Bearing<br />
temperature<br />
Newly designed cage<br />
with ME-1 grease<br />
6209 dual-side non-contact seal<br />
45mm85mm19mm<br />
Blue: n =11,111min -1 red: n =13,333min -1<br />
130˚C (on outer circumference of the bearing)<br />
-41-
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