Roll bearing housing serves as the core load-bearing and transmission component for calenders and mixing mills. It is widely compatible with mainstream rubber processing equipment including rubber open mixing mills, internal mixers and rubber calenders. As an essential foundational part, it guarantees high-speed, stable and high-precision operation of rolls. This bearing housing is custom-developed for heavy-load and continuous production conditions of rubber machinery. It effectively resolves roll vibration, displacement and transmission jamming during rubber mixing and calendering processes, and provides critical assurance for precision and stability in rubber compound mixing and calendering forming. It is the preferred spare part for equipment maintenance & replacement and complete machine matching of rubber machinery.
Core Material & Manufacturing Process
The product is integrally cast from premium industrial materials such as high-strength cast steel and alloy cast iron. It undergoes multiple procedures including precision CNC machining, quenching & tempering heat treatment and accuracy calibration, featuring dense and uniform internal structure free of pores, sand holes and deformation defects. The mating surfaces inside the bearing housing are high-precision ground with superior fitting performance and accurate concentricity, perfectly matching various standard roll bearings and delivering great adaptability. Anti-rust and wear-resistance reinforcement treatments are also applied to greatly improve its wear resistance, compression resistance and impact resistance, making it suitable for harsh workshop environments with dust, high temperature and heavy loads.
Core Product Advantages
1. High Load-bearing Stability: Designed for long-term heavy-duty operation of mixing mills and calenders. Featuring strong load capacity and rigid structure against deformation, it effectively buffers operational vibration and reduces roll running deviation, ensuring uniform thickness and regular forming of rubber products from calendering and mixing.
2. Low Wear & Long Service Life: Precisely fitted structure reduces friction loss of bearings during operation, lowers equipment noise and energy consumption, slows down bearing aging and wear, greatly extends the service life of bearings, rolls and the whole machine, and cuts downtime for maintenance.
3. Dustproof & Leak-proof Sealing: Optimized sealing structure effectively blocks rubber dust and contaminants from entering the bearing cavity, prevents lubricating oil leakage and dust-induced jamming failures, and supports stable 24/7 continuous industrial production.
4. Wide Compatibility & Easy Installation: Manufactured in strict accordance with industry-standard dimensions and processes, it fits various specifications of rubber mixing mills and calenders. Simple disassembly & assembly and accurate positioning without secondary machining enable rapid replacement and installation, suitable for renovation and upgrade of both new and existing machines.
Application Scope
Widely used in full-set rubber machinery including rubber open mixing mills, internal mixers and rubber calenders. It serves industrial production lines of rubber manufacturers in tire production, rubber hoses & belts, rubber goods and plastic processing. Non-standard sizes and special-process models are available upon custom request to meet personalized matching requirements of different equipment.



