SKF 22220 E/C3 Double spherical roller bearing w/relubrication feat ( 4 pcs )
The ball and roller bearings use steel, and you can feel the quality when you spin them by hand.
SKF 22220 E/C3 Double spherical roller bearing w/relubrication feat ( 2 pcs )
You will find that the steel construction gives these bearings a solid feel without any unnecessary bulk.