Closed Pillow blocks are for use with END supported shafting.For use with Class L shaftingBall Bushing Bearings are included and factory installed in each Pillow BlockAluminum is black oxide coated (not pictured)SpecificationsSpecificationsValueAdjustable/Not AdjustableNot AdjustableBlack OxideBlack AnodizeClosed/OpenClosedMaterialAluminum; Plastic; RubberSelf AlignmentSelf-aligningSingle/TwinTwinTemperature Max185 °FUse with shafting ClassClass LWeight2.5 lbDimensionsDimensionValue[d] Shaft, Nominal Diameter1 in[A]3.25 in[A2]2.38 in[B]6 in[E1]2.875 in[E1] Tolerance± 0.010 in[E2]4.5 in[E2] Tolerance± 0.010 in[F]1.94 in[F1]0.38 in[G]1.19 in[G1]3 in[G2] Access for Lubrication1/4-28[H]1.187 in[H1]2.19 in[N]0.22 inPerformancePerformanceValueLoad Capacity, Dynamic3800 lbf