Yrt Rotary Bearing

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Yrt Rotary bearings are common components in motion systems. They’re used in gearboxes, motors, pulleys, fans, pumps—virtually any time a shaft is rotating, rotary bearings are there to reduce friction and support radial or axial loads.


The classification of Yrt rotary bearings begins with the type of bearing that supports the load—ball or roller. Within the ball and roller types, the next distinguishing feature is the primary load direction that the bearing can withstand—radial or axial (aka thrust). Then, ball bearings are further classified by the configuration of the outer ring, while roller bearings are further categorized by the shape of the rollers.


While there are dozens of variations of Yrt rotary bearings—including designs made for specific environments, mounting configurations, and applications—the most common categories are covered here.


Flexible High Speed Gear Drive Double Pinion Drive Spur Gear Slewing Drive for Antenna Positioner

1.9375 in 9.6300 in
1.9375 in 8-1/4 in

Good Quality Spur Gear Slewing Drive Sp-I 0229

662327705107 35 mm
1.48 lbs

Spur Gear Slewing Drive Gear Drive for Quenching Machine Turntable

5 mm 6 mm
480 mm 16

Heavy Duty Machinery Spur Gear Slewing Drive Sp-I 0941

Hex Crowned
2.5000 in 950 rpm

Spur Gear Slewing Drive Sp-I 0941 for Heavy Duty Vehicle

22300 0.0790 in
-30 ° to 300 &de Not Rated

Pinion Drive Spur Gear Slewing Drive for Turn Tables and Antenna Positioner

064704 Side Mount
150.8 mm 217.5 mm