A bearing pulley with a cylindrical roll cover and an axle coaxial to it, a dust cover with an outer boss and an inner boss, and an axial rubber seal useful for conveyor units

摘要

Bearing pulley for conveyor unit with cylindrical roll cover (14) and axle (1) coaxial to it, dust cover (17) with outer boss (24) and inner boss (20), with rotary spline (44) machined in outer end of boss (20) of rain protection cap (16), where spline (44) has axial rubber seal (45), and outer boss (24) of dust cover (17) and inner boss (20) of the rain protection cap extend over the whole width of sealing group (15).