Track Rollers, Brand Name : BBY

track roller/bottom roller

our track rollers are composition of two pieces of forged semi-roller. The quality and service life of the products of roller are guaranteed by the hardened face with depth of roller body. Our materials and welding effect are well guaranteed.

the dimensional accuracy of products is guaranteed by processing of nc lathes and program controlled machines. In the process of assembly of roller, the expected and reliable sealing and lubricating rotation of roller are guaranteed by testing of air pressure tightness and load-bearing rotation.

heat treatment technical data for bby track roller：

track roller shell: 

• surface quenching hrc 54-60

• track face hardening depth 5mm-7mm

• corner hardening depth more than 2mm