Closed Pillow blocks are for use with END supported shafting.For use with Class G shaftingBall Bushing Bearings are included and factory installed in each Pillow BlockSuper Ball Bushing bearing pillow blocks are provided with integral, double acting seals unless otherwise specifiedSpecificationsSpecificationsValueClosed/OpenClosedMaterialAluminum; Plastic; RubberNumber of Ball Circuits6Self AlignmentSelf-aligningSingle/TwinSingleTemperature Max185 °FUPC Number662486101840Use with shafting ClassClass GWeight1 lbDimensionsDimensionValue[d] Shaft, Nominal Diameter1 in[A]2.75 in[B]2.8125 in[D]2.25 in[E1]2.125 in[E1] Tolerance± 0.010 in[F1]0.5 in[G1]0.6 in[G2] Access for Lubrication1/4-28[N]0.28 inPerformancePerformanceValueLoad Capacity, Dynamic1050 lbf