Pillow Block Bearing: 1 in Bore Dia., Set Screw, Cast Iron, 4 1/8 in Bolt Hole Center-to-CenterRear BearingSKU: 364215375135191$178.00PriceQuantity*Add to CartBuy NowPRODUCT INFOFront Bearing works for all PRI & Xr-Series Machines.