Engineering Asked by Ranjan Pal on January 23, 2021
In motors/pumps generally following bearings are used (ref: https://www.nke.at/en/bearings-applications/applications/electrical-motors):
All these bearings are designated with bearing number for example: Deep groove ball bearings: 6205.
Form this bearing no. we can easily have the information about its outer dimensions as given here:https://www.skf.com/in/products/rolling-bearings/ball-bearings/deep-groove-ball-bearings/productid-6205 OR from its catalogue.
Based on these outer dimensions, is there any way out to calculate the following specifications/dimensions:
Can somebody please let me know how can we go about this ?
The trade numbers typically give you the envelope dimensions (inner and outer diameters, thickness). Everything else is at the discretion of the manufacturer - pitch diameter, rolling element size, quantity and contact diameter. This is why for the same trade number bearing you might see several different manufacturers, all with different load ratings.
Answered by jko on January 23, 2021
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