What are the types of air compressor bearings

May 27, 2019

Air compressor single row cylindrical roller bearings N, NJ, NU, and NUP can also be used with high radial loads of full or double row cylindrical roller bearings for precise radial guidance with small radial clearance.
Air compressor single row Angular Contact Ball Bearing
Mainly used as thrust bearings, single or series installation (in series arrangement, they can withstand high thrust loads), suitable for simultaneous radial load and high axial load in one direction, for use in transport The ammonia medium pump will also use the FP cage (pump). The bearing contact angle with the "B" suffix is 40°. Such bearings can withstand high axial loads (pumps) or can be sealed. Bearing.
Newly developed double-row angular contact ball bearings with stamped cage air compressors with optimized geometry, mainly used as thrust bearings, installed separately or in series (in series construction, they can withstand high thrust loads). Suitable for radial and high thrust loads in one direction and also for ammonia pumps with FP cages. Model "B" with a 40° contact angle can withstand higher thrust loads and is also suitable for sealing newly developed stamping cages with optimized cage geometry.
Air compressor Spherical Roller Bearing
It can be applied to pumps and can withstand high pressures. This type of bearing can compensate for machining defects or misalignment of the shaft. It can withstand both radial and axial loads and is self-aligning for very high loads (up to 2°), maintaining dimensional stability at operating temperatures up to 200 °C.
Air compressor Tapered Roller Bearing
It has high axial and radial load carrying capacity and has a precise radial guiding capability due to its small axial play.
Air compressor Deep Groove Ball Bearing
Mainly used for floating end bearings, rarely used as fixed end bearings for high speed operation and also with seal design.
Grease-lubricated Deep Groove Ball Bearings are suitable for applications with high n x dm values, depending on the application, long-life lubrication is also possible, ie no relubrication is required.
Air compressor four point contact ball bearing
It is mainly used as a Thrust Bearing in a compressor. It is not used to bear radial loads, bears large axial loads in both directions and can bear small radial loads. Since the inner ring of the four-point contact ball bearing is a split design, this design allows it to accommodate more rolling elements, thereby increasing the radial load carrying capacity of the bearing.
Because this type of bearing is a split inner ring design: machined cages make them more suitable for high-speed transport situations. Due to the small axial clearance, the bearings have precise radial guidance, compact bearing design - No separate positioning bearings are required.

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