PBC Linear PS4852-28 Linear Sleeve Bearing, 3 in Inside Dia, 3 1/2 in Lg, Frelon Gold, Precision J10026 The alloy steel body is

The alloy steel body is durable and corrosion resistant

Please refer to NIBCO technical data sheets

Non-Ferrous and Stainless Steel Weapons

Water Foam Material Polyurethane Minimum Operating Temperature -40 Degrees F Foam Design Flat

the balance plate relaxes

PBC Linear PS4852-28 Linear Sleeve Bearing, 3 in Inside Dia, 3 1/2 in Lg, Frelon Gold, Precision J10026 The alloy steel body isLinear Sleeve Bearing, System of Measurement Inch, Running Clearance Class Precision, Inside Diameter 3 in, Outside Diameter 3 1 4 in, Overall Length 3 1 2 in, Static Load Capacity 31,336 lbf, Material Aluminum, Liner Frelon(TM) Gold, Self Lubrication Self Lubricating, Series PS, Maximum Operating Temperature 400 Degrees F, Minimum Operating Temperature 400 Degrees F, Flange Diameter Not Applicable, Flange Thickness Not Applicable, Bearing Type