BT4B 332888 B/HA1

size:480*700*418.5 mm
weight:541 kg
Four-row tapered roller bearing
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Product Introduction

Bore diameter	480 mm
Outside diameter	700 mm
Width, total	418.5 mm
Width, inner ring	418.5 mm
Width, outer ring	418.5 mm
Contact angle	12.05 °
Basic dynamic load rating	9 834 kN
Basic static load rating	20 400 kN
Product net weight	541 kg

BT4B-332888-B-HA1 bearing

Engineered for extreme-load environments, the BT4B 332888 B/HA1 is a four-row tapered roller bearing designed specifically for the demanding conditions of rolling mill applications. This advanced bearing features a four-row configuration that allows it to accommodate exceptionally high radial and axial loads in both directions, providing the rigidity necessary for maintaining precise rolling tolerances. The "B" suffix indicates a specific internal design enhancement for increased load capacity, while the "HA1" designation signifies that the bearing components are crafted from case-hardened steel, a crucial feature for withstanding heavy shock loads and preventing crack propagation.

The primary advantage of the BT4B 332888 B/HA1 lies in its exceptional operational reliability and extended service life under continuous, heavy-duty use. The four-row design effectively distributes massive loads, minimizing stress on any single component and reducing wear. The case-hardened steel construction offers a unique combination of a hard, wear-resistant surface and a tough, ductile core, providing superior resistance to fatigue and impact damage. This robust construction significantly reduces the risk of catastrophic failure, leading to increased uptime and lower maintenance costs in capital-intensive operations.

This specialized bearing is almost exclusively used in the work roll or back-up roll positions of rolling mill stands within the steel and non-ferrous metals industries. Its design is tailored to handle the immense forces and shock loads inherent in metal rolling processes, ensuring consistent product quality and manufacturing efficiency. The BT4B 332888 B/HA1 provides the necessary durability and performance to support high-speed, continuous production, making it an indispensable component for modern metal-forming operations where precision and reliability are paramount.

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