1. 51313 SKF Thrust Bearing - This bearing has grooved raceways in the housing washer and a grooved shaft washer and is suitable for moderate to low axial loads. It is made from chrome steel for durability, and has cage with roller thrust bearings for reduced axial space requirements.
2. 51313 SKF Radial Bearing - This one-way thrust bearing has a flat and chrome steel housing washer and an inner ring made from high carbon chromium bearing steel. It is an open type bearing, and is suitable for high axial loads in one direction.
3. 51313 SKF Super Precision Bearing - This bearing is engineered to provide a high degree of accuracy and reliability in both radial and axial applications. It features a angular contact ball bearing design and is composed of high quality carbon chromium bearing steel.
4. 51313 SKF Sealed Ball Bearing - This one-way shielded thrust bearing has an inner ring made from high carbon chromium bearing steel and is covered with a heavy-duty rubber seal to protect against dust and other contaminants. It is suitable for moderate to high axial loads and is equipped with radial ball bearings for improved running precision.
5. 51313 SKF Metric Ball Bearing - This one-way thrust bearing has an inner ring made from high carbon chromium bearing steel and a steel cage enclosed in a black oxide treated steel housing. It is designed for metric applications and is suitable for high axial loads in one direction.