US 12,247,622 B2
Bearing unit with sensorized inner ring
Andrea A. Bertolini, Carrara (IT); Fausto Baracca, Massa (IT); Vittorio Zanella, Orbassano (IT); and Maria Grazia Semeraro, Rivalta di Torino (IT)
Assigned to AKTIEBOLAGET SKF, (SE)
Filed by AKTIEBOLAGET SKF, Gothenburg (SE)
Filed on Nov. 16, 2022, as Appl. No. 17/988,078.
Claims priority of application No. 102021000029615 (IT), filed on Nov. 24, 2021.
Prior Publication US 2023/0160430 A1, May 25, 2023
Int. Cl. F16C 19/06 (2006.01); F16C 19/52 (2006.01); F16C 33/58 (2006.01)
CPC F16C 33/585 (2013.01) [F16C 19/06 (2013.01); F16C 19/525 (2013.01); F16C 19/527 (2013.01); F16C 33/586 (2013.01); F16C 2233/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A bearing unit for a marble cutting machine, comprising:
a radially outer ring, rotatable with respect to an axis of rotation (X) of the bearing unit and comprising a radially outer flange portion;
a stationary radially inner ring comprising:
a raceway; and
a through hole, and
a seat formed as a portion of a circular crown;
wherein a ratio of an internal diameter (D) of the through hole and an axial thickness (t) of the radially inner ring is between 6.7 and 11.1;
a row of rolling bodies interposed between the radially outer ring and the radially inner ring; and
a sensor inserted inside the seat.