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Item # ER55MMFR, ER Free Running Inserts

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  • 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.



  • 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)