UCPA204 Bearing 20mm Set Screw Tapped Base Pillow Block BearingUCPA204 Pillow Block Unit 20mm Shaft ID with Set Screw Lock and Tapped Base This UCPA204 pillow block bearing unit is a normal duty, tapped base style used to support rotating shafts in machinery. It features a wide inner ring and secure set screw locking, ideal for stable mounting in tight spots or compact setups. Inner Diameter (ID): 20mm Housing Type: Tapped Base (PA204) Bearing Insert: UC204 with Set Screw Lock Load Rating (Cr Cor): 12. 8 kN 6. 65