Y-bearing unit unit

Source: Bearing network time: 2017-10-27

/*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';

For bearings with a bore diameter of â‰¤ 40 mm in the unit; the common duty of the intermediate height H1 of the shaft is Â±0,25 mm; for bearings with larger bore diameters; this public service is Â±0,30 mm.
When selecting the public service scale for the bearing housing unit and the cast iron bearing housing hole of the Y-TECH unit; the key is to avoid the bearing outer ring in the bearing housing; together, it can compensate for the starting error of the alignment.
For bearings fixed with countersunk screws and partial pain; the common hole values â€‹â€‹are given in Table 1. The symbols used are now explained as follows:
Symbol d Nominal aperture dmp Uniform aperture: Arithmetic uniformity of the largest and smallest apertures on the same plane.
Î”dmp The error between the uniform aperture and the aperture (Î”dmp = dmp - d)
Bearings for inch shafts and bearings for the corresponding metric shafts; take the same hole diameter. Only the exception is for bearings with 11/4" (31,750 mm) diameter shaft. YAT 207-104, YAR 207 -104, YET 207-104 and YEL 207-104); the boreholes of these bearings are equivalent to the public service of smaller primary metric bearings (scale 206) for 30 mm shafts.

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