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Depending on the bearing characteristics: as NU-type deep groove bearings used in motors, allow the motor axial movement. On both sides of the bearing inner ring flange, outer ring has no flanges, thus allowing bidirectional displacement shaft relative to the housing can bear axial elongation caused by thermal expansion. While bearing clearance of deep groove ball bearings for high, but force for linear bearings, deep groove ball bearings have some force,. Bearing movement is not a circle but an ellipse, which is by a dry ditch columns (or Groove) and roller gap that exists between, runtime loading of different trajectories into ovals. Force mainly in the lower part of the bearing, deep groove bearings, it is a straight, high-speed operation, due to the bearing gap, change, stress trajectory into a parabolic curve.
To main axial pump motor mount and drag the load smoothly, the radial deep groove bearings allow rocky ledge need less, so swap the front bearing with a deep groove ball bearing, the bearing clearance C3, 0.04mm, to meet operational requirements. Expansion of taking bearings, plus a thickness at the deflector small cap 0.8mm gaskets, overcome from the rocky ledge to the pumps and bearings due to temperature rise.
Bearing rolling element and the Raceway of the micro table surface is rough, motion occurs in a certain impact, but the impact of pulsed high frequency, thus using vibration measurement of motor run parameter values than standard high-frequency interference. More deep groove bearings with raceways-contact, have a high frequency of impact, and deep groove ball bearing and roller contact point, have a high frequency of impact is relatively small, thus the motor can be used instead of deep groove bearings deep groove ball bearing, addressing equipment noise.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 170BTR10S NSK | 170 | 260 | 81 |
| 170BAR10S NSK | 170 | 260 | 81 |