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TYPEVTl /VT2
a (mm)
28 25 30              
35   30 32 35 40        
50         40 45 50    
75             50 60 80

VT2: a of Type 75 = max 63.5

  • The standard shaft length for STO/FLO-28 -VT is 70 mm
  • Length and O.D. of shaft end is available for custom-made.
TYPEA (mm)B (mm)X=(C-D) (mm)
28 61 8 0.5
35 73 13 0.5
50 81 13 0.5
75 106 16 0.5

Winding Shaft Tolerance:

Journal details of VT1 /VT2

VTl /VT2
Size af7 b c d e ɸ f g
28 22-30 1 21.5-0.2 11 8 a-1-0.1 / -0.2 4
35 30-40 1.5 24-0.2 12.5 10 a-1-0.1 / -0.2 5
50 40-50 2 26-0.2 13.5 10 a-1-0.1 / -0.2 5
75 50-80 3 34-0.3 17.5 17 a-1-0.1 / -0.3 6
  • Aston Tech Ltd. reserve the right to change materials and specifications Without prior notice.
  • VT2 chuck: Max Torque = 0.7 X C Type ; Max Load = 0.8 X C Type.