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V Pulley Taperlock by SIT
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  • Our pulleys can be used for application with a speed up to 35m/s. The pulley dimensions are very accurate as they are manufactured only by means of CNC or automatic lathes. 
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  • For higher speed is strongly recomended to use steel as material of construction. Our PBT pulleys are satically balanced according to ISO. 
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  • The PT pulleys are not balanced, as they do not have a finished bores.
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  • Here are the dimensions of "PBT" SPZ with taper bush 1210 :
  • - Belt type : SPZ
  • - Taperbush : 1210
  • - Shaft diameter range : 12 - 32 mm
  • - Pitch diameter : refer to numbers writen after "PBT" in every product name. 
  • For example, product name : PBT075SPZ2 (1210); so, the pitch diameter is 75 mm
  • - Outside diameter : you can add the pitch diameter with 4 to know the length of outside diameter. 
  • For example, the product is PBT075SPZ2 (1210); so the outside diameter is 75 + 4 = 79 mm
  • - Groove : refer to the last number in every product name. 
  • For example for PBT075SPZ2; so, the groove is
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  • See recomendation taperbush below.
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1 PBT SPZ 63-140.pdf

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