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FAN-PEDIA                                                                                                                                                                                                                                                BEARINGS

                     Published by
            Twin City Fan & Blower                                                                                                                                                                                                        MOUNTING & ORIENTATION
                         ©2017                                                                 TCF.COM

                     HOW BEARINGS CONNECT                                                                                                                        BEARING LOCATIONS (CENTRIFUGAL FANS W/ PEDESTAL)
                                     TO PEDESTAL                                                                                                                       NOTE: Drive end “Outboard” bearing is set 3/4” in from end of pedestal top plate
                                                                                                                                                                       NOTE: Non-Drive End bearing is also referred to as an “Inboard” bearing


                                                                                                                                                                                Shaft Seal                     Bearing               Shaft Cooler                           High Temp Angle
                                                                                                                                                                                                                                                                           AKA: Heat Angle, Inverted Angle,
                                                                                                                                                                                                                                                                                   Spacer Angle









                                    2 HOLE MOUNT
                       TCF Standard 2 hole mount:
                       Fan shafts 2-15/16 dia & below




                                                                                                                                                       Standard Temp Style Pedestal                                                   High Temp Style Pedestal with
                                                                                                                                                            with Standard Shaft Seal                                                   Standard  Shaft Seal & Cooler








                                   4 HOLE MOUNT


                        TCF Standard 4 hole mount:
                        Fan shafts 3-7/16 dia & above


                       NOTE: Some manufacturers can
                       offer only 2 hole or 4 hole mount
                       beyond these ranges.                                                                                                               High Temp Style Pedestal                                         High Temp Style Pedestal With Shaft Cooler
                                                                                                                                              Stuffing Box or Mechanical Shaft Seals                                          & Stuffing Box or Mechanical Shaft Seals
                                                                                                                                               NOTE: Used for low temp applications                                                                                                                               68
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