All Categories > Pillow Block Ball Bearings > UCP Series Pillow Block Ball Bearings > Item # UCP-203 All CategoriesAll Categories Pillow Block Ball BearingsPillow Block Ball Bearings UCP Series Pillow Block Ball BearingsUCP Series Pillow Block Ball Bearings Item # UCP-203 Item # UCP-203, UCP Series Pillow Block Ball Bearings UCP-203UCP Series Pillow Block Ball Bearings Request Information Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both Specifications Shaft Diameter d N/A 17 mm