We offer many different sizes of pulley bearings in two versions: aftermarket and a select few OEM
Aftermarket brand will be made in China
OEM brands are made in various locations such as: USA, Mexico, Canada, Italy, Japan, Korea, France
Measurements are in millimeters and notated by ID = Inner Diameter, OD = Outer Diameter, TH = Thickness, INTH = Inner Thickness (if different from outer race). Example "30mm x 62mm x 16mm" or "30mm x 62mm x 16mm x 24mm"