This is high quality bearing used in axial fans, motors, drive axles, clutch, idler wheels, HVAC, snow mobiles and many other industrial applications.

Bearings are made of Chrome Steel, pre-lubricated with grease and has rubber seals on both sides to protect the bearings from dust or any other types of possible contamination.

 "d" (shaft or inner diameter) = 50mm (1.9685")

"D" (outer diameter) = 90mm (3.5433")

"B" (width) = 20mm (.7874")

"r" (radius) = 2.0mm (.079")