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 LWeight4.3 lbDimensionsDimensionValue[d] Shaft, Nominal Diameter1.25 in[A]4 in[A1]1.5 in[A2]1.63 in[Alpha]30 °[B]7.5 in[E]0.62 in[E1]3.5 in[E1] Tolerance± 0.010 in[E2]5.5 in[E2] Tolerance± 0.010 in[F1]0.44 in[G]1.5 in[G1]3.75 in[G2] Access for Lubrication1/4-28[H]1.5 in[H] Tolerance± 0.003 in[H1]2.56 in[N]0.22 inPerformancePerformanceValueLoad Capacity, Dynamic4700 lbf