Track roller is very important for excavator and bulldozer undercarriage parts,
they are responsible to support the weight of machinery, so high quality track
roller is necessary in construction working. Choose excellent track roller for
excavator undercarriage parts, Fortune Machinery will be your best track roller
supplier in China. Maybe you are also interested in excavator carrier roller
(top roller, upper roller), excavator idlers, excavator sprockets, track link
assembly, excavator pins and bushings, excavator bolts and nuts etc excavator
spare parts. Welcome to choose more Caterpillar parts.
Track Roller
Forged from deep hardening steel and heart treated for internal strength to
resist bell mounting and to increase rebuilding ability.
2 pieces roller
shell rim. Heat treated shells for body strength and longer wear life.
Heat
treated for a deep uniform hardened deep that providers wear life equal to link
wear life.
Roller shaft
shaft and bearing designed to carry and turn with
heavy track weight forged and heat treated for strength.
Bearing surfaces are
hardened and polished to reduce friction and wear
Center flange absorbs side
thrust from roller shell.
Cast Iron bushing
Supports the bronze sleeve
bearing.
Cast from iron to absorb loads without permanent
deformation.
Large lubricant reservoir to reduce heat build up
Bronzed
sleeve bearing
Sleeve design provides a large surface area for better load
distribution.
Inner diameter surface is polished to a smooth finish.
Soft
bronze coating in the bearing absorbs any small foreign particles before they
can damage the shaft and seals.
Functions:
Support the track as its most
between the sprocket and idler.
Guide the track between the sprocket and
idler
Strength to resist failure before tread wear life is
utilized.
Treads wear life matched to track links.
Treads and flanges
rebuild able on forged shells.
Thru-hardened flanges to resist bending and
improve rebuild ability.
