All Categories > Mounted Units > Standard Duty Mounted Units > ER Free Running Inserts > Item # ER55MMFR Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # ER55MMFR, ER Free Running Inserts List Price QUOTE The free running style is a drop in replacement for standard ER bearings except that it provides low torque/free running service. They use 'flingers' on both sides to provide a sealed unit. The temperature range is -40 to 225F.High temperature seals are available for 400 to 450F operation. larger image larger image Unit of Measure: Imperial Specifications (D) Dimension 3.937 in (Bi) Dimension 2.1890 in (Be) Dimension 1.1811 in (N) Dimension 0.8740 in (M) Dimension 1.3150 in (E) Dimension 0.9610 in (A) Dimension 0.0949 in (H) Dimension 0.2953 in (R) Dimension 0.3697 in (J) Dimension 0.1252 in (P) Dimension 4.1850 in (G) Dimension 0.3543 in (Ds) Dimension 3/8-24UNF Basic Load Rating 9.490 lb Basic Static Load Rating 6.440 lb Weight 3.11 lb Common Options BUC-- Black Oxide Coated insert CUC-- Hard Chrome Coated Insert HUC-- High Temperature Insert 400F L3-- Triple lip labyrinth seal NPPA-- Nickel Plated Housing S-- Stainless Steel Housing SUC-- Stainless Steel Insert TP-- Thermoplastic Housing MORE IMAGES · B-type Seal DOWNLOADS Standard Duty Bearing Unit Interchanges (PDF, 898KB) MB Application Information (PDF, 672KB)