Open Pillow blocks are for use with CONTINUOUS supported shaftingFor use with L class ShaftingBall Bushing Bearings are included and factory installed in each Pillow BlockAluminum is black oxide coated (not pictured)SpecificationsSpecificationsValueAdjustable/Not AdjustableAdjustableBlack OxideBlack AnodizeClosed/OpenOpenMaterialAluminum; Plastic; RubberNumber of Ball Circuits8Self AlignmentSelf-aligningSingle/TwinTwinTemperature Max185 °FUse with shafting ClassClass LWeight1 lbDimensionsDimensionValue[d] Shaft, Nominal Diameter0.75 in[A]2.75 in[A1]0.94 in[A2]1 in[Alpha]30 °[B]4.5 in[E]0.41 in[E1]2.375 in[E1] Tolerance± 0.010 in[E2]3.5 in[E2] Tolerance± 0.010 in[F1]0.31 in[G]0.94 in[G1]2.25 in[G2] Access for Lubrication1/4-28[H]0.937 in[H] Tolerance± 0.003 in[H1]1.56 in[N]0.19 inPerformancePerformanceValueLoad Capacity, Dynamic2260 lbf