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AT20 123 AT20/25-2
Outer diameter :
156,33 mm
Product description
the pulley has only a pre-drilled hub and a cylindrical hole with a groove for the pen must be drilled in the hub before mounting on the shaft. After mounting on the shaft, the pulley must be secured with a pen. The pulley can also be clamped without a pen using a clamping sleeve., The preparation of a full hub pulley is more demanding due to the drilling compared to clamping the pulley using a TB sleeve.