L050B Insert | L050B Coupling Insert - L050B Spider (Bronze) filter_HD50B23 What separates this 2TB34 pulley

What separates this 2TB34 pulley from the others is that it is made using a high grade-35 cast iron

It utilizes set-screws for locking onto a 1-9/16" shaft and features a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

What sets this 5307-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to

Roller Width (R): 11

While the phosphate coated and then painted finish adds corrosion resistance to the 48V1320F sheave

L050B Insert | L050B Coupling Insert - L050B Spider (Bronze) filter_HD50B23 What separates this 2TB34 pulleyL050B insert is a precision coupling insert precision machined from high quality bronze. L050B inserts are also commonly referred to as L050B spiders. Bronze jaw coupling inserts go between two L050 hubs, prevent a steel on steel contact, and allow for a slight misalignment between two shafts. When replacing a coupling assembly, it is essential to note that the oil impregnated L050B bronze inserts are ideal for high torque but low speed applications.