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This is a replacement tapered roller bearing cup, also known as a race, for the main drum support roller on various rear-discharge concrete mixers. It is a critical component of the pedestal roller assembly, which bears the immense weight of the rotating drum. Made from hardened, high-carbon chrome steel, this cup is designed to withstand heavy radial and axial loads. Replacement is necessary when the original bearing cup becomes worn or damaged, which can cause excessive noise, vibration, and improper drum alignment.
Technical Specifications
Part TypeTapered Roller Bearing Cup (Race)
MaterialChrome Steel
Outer Diameter3.5000 in (88.900 mm)
Width0.9063 in (23.020 mm)
Compatible Cone Part NumbersHM803149, HM803146, HM803145
Key Features
Hardened chrome steel construction for high load capacity and durability.
Precision engineered for exact fitment within the pedestal roller housing.
Designed to manage both radial and axial loads typical of mixer drum support.
Industry-standard part for wide compatibility.
Fits These Mixers
McNeilus, Con-Tech, CBMW, Kimble. Fits the pedestal drum roller assemblies on various rear-discharge mixers, including models from McNeilus, Con-Tech, CBMW, and Kimble. It is a common replacement for the drum roller bearing cup.
All measurements ± standard manufacturing tolerance.
Product descriptions are drafted with automated tools and reviewed as time allows. While we work to keep them accurate, specifications and fitment should be confirmed with a Customer Service specialist at 800-745-3414 before purchase. Found an error? Let us know and we’ll fix it.
Specifications
Specifications
Manufacturer
REX
Sub Category
Pedestals
Documentation
No documents available
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