All Categories > Pillow Block Ball Bearings > UCF Series Pillow Block Ball Bearings > Item # UCF-203 All CategoriesAll Categories Pillow Block Ball BearingsPillow Block Ball Bearings UCF Series Pillow Block Ball BearingsUCF Series Pillow Block Ball Bearings Item # UCF-203 Item # UCF-203, UCF Series Pillow Block Ball Bearings UCF-203UCF 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