5/8" x 1-3/8" x .437" Low Speed Flange Ball Bearing black Seals both sides Acor 58138

Bearing 5/8" ID x 1.375" OD x .437" wide with Flange low speed Ball bearing. 
Black seals both sides.  Acor # 58138.

These bearing are a higher quality bearing than the plain steel seal bearings.