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    Drum Motor & Idler Dimensions
    Bracket Dimensions
    Optional Cable Type Dimensions
    Drum Motor Specifications
    Cross Sectional Diagram
    Parts Description

    Dimensions (in inches)

    Drum Motor
    TM127A25

    Drum Motor
    TM127B25


    Idler
    KT127A25

    Idler
    KT127B25

    Standard face widths (L) in inches for the TM127A25 and KT127A25:  9.84*   10.83*   11.81   13.78   15.75   17.72   19.69   21.65   23.62   25.59   27.56   29.53   31.50 
    Standard face widths (L) in inches for the TM127B25 and KT127B25: 10.83*   11.81*   13.78   15.75   17.72   19.69   21.65   23.62   25.59   27.56   29.53   31.50 
    *This face width is not available in all horsepower.

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    Bracket AB 25


    Optional Cable Type

    Note: When Optional Cable Type is selected, the minimum face width (L) increased by 1.969 inches.

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    Specifications

    Type

    HP

    		Belt speed in feet per minute (ft/min)
    Belt pull measured in pounds (lbs.)

    Minimum length (L)
    in inches

    Weight in pounds (lbs.)
    at L = 13.78 inches

    Design A

    Design B

    TM127 - 410

    1.00

    333

    247

    210

    149

    118

    *94

    *75

    (ft/min)

    11.81

    13.78

    44.10

    95

    127

    150

    199

    261

    367

    408

    (belt pull)

    TM127 - 475

    0.75

    333

    247

    210

    149

    118

    94

    *75

    (ft/min)

    10.83

    11.81

    39.70

    71

    95

    113

    149

    195

    275

    306

    (belt pull)

    TM127 - 675

    0.75

    80

    *64

    *51

    (ft/min)

    11.81

    13.78

    44.10

    299

    380

    485

    (belt pull)

    TM127 - 405

    0.50

    333

    247

    210

    149

    118

    94

    75

    (ft/min)

    10.83

    11.81

    37.50

    53

    64

    75

    100

    131

    184

    204

    (belt pull)

    TM127 - 805

    0.50

    59

    47

    38

    (ft/min)

    11.81

    13.78

    44.10

    261

    326

    408

    (belt pull)

    TM127 - 434

    0.34

    333

    247

    210

    149

    118

    94

    75

    (ft/min)

    9.84

    10.83

    35.30

    32

    43

    50

    71

    89

    111

    139

    (belt pull)

    TM127 - 834

    0.34

    59

    47

    38

    (ft/min)

    10.83

    11.81

    39.70

    178

    222

    278

    (belt pull)

    TM127 - 1218

    0.18

    28

    23

     

    (ft/min)

    11.81

    13.78

    44.10

    196

    235

     

    (belt pull)

    TM127 - 1213

    0.13

    28

    23

    (ft/min)

    10.83

    11.81

    39.70

    142

    170

    (belt pull)


    * Please consult the Van der Graaf technical department for use of these speeds.
    - Other belt speeds and face widths are available.
    - The total weight of the unit increases by 0.84 pounds per inch above 13.78 inches.
    - When the drive is supplied with lagging, the covered face width is reduced by 0.47 inches.
    - Belt speed is measured on the center of the unit without lagging.
    - Listed belt speeds are under full load conditions and may be higher under no load conditions.
    - When an electromagnetic brake is required, the minimum face width is increased by 3.94 inches.
    NOTE: TM127 type drum motors are available in all standard voltages and are electrically reversible.

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    Cross Sectional Diagram & Parts Description


    Position Number

    Part Description

    Position Number

    Part Description

    1

    		Shell

    31

    		Socket Head Cap Screw

    2A

    		End Flange

    32

    		Washer Copper

    2B

    		End Flange

    34

    		Filler Plug

    3

    		Gear Housing

    35

    		Washer

    4

    		Motor Flange

    36

    		Ball Bearing

    5

    		Mounting Ring

    37

    		Ball Bearing

    7

    		Hollow Shaft

    37A

    		Ball Bearing

    8

    		Internal Gear

    38

    		Ball Bearing

    9

    		Pinion

    39

    		Ball Bearing

    11

    		Gear

    41

    		Locking Disc

    12

    		Distance Ring

    43

    		Snap Ring

    13

    		Stator

    44

    		Snap Ring

    14

    		Rotor

    45

    		Bearing Race

    16

    		Cable Passage

    45DS

    		Double Seal Adaptor

    17

    		Socket Head Cap Screw

    46

    		Oil Seal

    19

    		Spring Ring

    50

    		Seal

    20

    		Terminal Board

    51

    		Junction Box

    22

    		O-Ring

    52

    		Junction Box Cover

    23

    		Fillister Head Machine Screw

    53

    		Plug

    24

    		Fillister Head Machine Screw

    55

    		Backstop Bearing

    27

    		Set Screw

    57

    		Name Plate

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