Precision Steel Ball Bushing bearings offer great improvements in efficiency, productivity, and accuracy over high-friction plain bearings flat-ways.The all-steel design makes the bearing product line perfect for replacing plain bearings in high temperature applications.The steel sleeve anti-friction recirculating ball bushing provides rigid low drag movement – ~100x lower drag coefficient than a plain contact bearing.A coefficient of friction as low as .001. When replacing high friction plain bearings, Precision Steel Ball Bushing Bearings dramatically improve machine productivity and efficiency.For use with S class Shafting.SpecificationsSpecificationsValueAdjustable/Not AdjustableNot AdjustableClosed/OpenClosedGradeA GradeMaterialSteelNumber of Ball Circuits6Oil HoleOil HoleSelf AlignmentNot Self-aligningTemperature Max500 °FUPC Number662486105725Use with shafting ClassClass SWeight9.5 lbDimensionsDimensionValue[d] Shaft, Nominal Diameter3 in[C] Length Along Axis5.970 / 6.000 in[C1]4.708 / 4.728 in[C2] Min0.12 in[D] Recommended Housing Bore4.5000 / 4.5010 in[D], Nominal4.5 inPerformancePerformanceValueLoad Capacity, Dynamic2600 lbf