The groove pulley for TB TB-SPB170/1 from Optibelt is a high-quality solid pulley with an inner diameter of 57 mm, an outer diameter of 177 mm, and a width of 25 mm. Weighing 3.308 kg, it is robust and durable. Design 8 and the matching taper bushing 1610 ensure easy installation. The SPB, XPB, B profile and the single groove make this pulley versatile. A reliable choice for various applications requiring precision and performance.