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3699results about "Roller bearings" patented technology

Direct driving type accurate turn plate

The invention discloses a direct driving type precise rotating table which comprises a working table (30) and a torque motor, wherein the torque motor comprises a motor shell (8), a main shaft (2), a stator (6) and a rotor (7), the motor shell (8) is fixedly connected with the stator (6) to form a static part, the main shaft (2) is fixedly connected with the rotor (7) to form a rotating part, and the working table (30) is directly and fixedly connected with the main shaft (2) of the torque motor. Furthermore, a circular arc crossing roller bearing (1) is arranged between the motor shell (8) and the main shaft (2) and comprises an inner ring (21), two outer rings (22) and a plurality of circular arc rollers (23) arranged among of the inner ring (21) and the outer rings (22), and the circular arc rollers (23) are sequentially crossed in an angle of 90 DEG. The invention has high radial and axial load capacity, good rigidity and high motion precision and stability, and can meet the integrated requirements of serving as a high-precision digital control rotating table.
Owner:三六零安全科技股份有限公司 +2

Non-contact labyrinth seal assembly and method of construction thereof

A non-contact labyrinth seal assembly, bearing assembly therewith, and method of construction thereof, has an outer rigid carrier and an inner sleeve. The carrier has an outer cylindrical flange and a radially inwardly extending leg and the sleeve has a cylindrical wall and a radially outwardly extending flange. A body is attached to at least one of the leg and the flange, wherein the body provides, at least in part, a purely non-contact labyrinth passage extending between the carrier and the sleeve.
Owner:THE TIMKEN CO +1

Lightened Rotating Member and Method of Producing Same

A lightened rotating member for a machine. The lightened member includes a plurality of radially machined penetrations within at least one main bearing support journal of the rotating member. The plurality of penetrations is formed around the circumference of the main bearing journal face, with the penetration centerline directed radially toward the rotating member's axial centerline. An even number of penetrations may be utilized with minimal adverse effect on the balance of the rotating member. Odd numbers of penetrations may require subsequent rebalancing. The rotating member may be any rotating member that utilizes one or more main bearing support journals.
Owner:FTS INT SERVICES
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