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UJK Zinc-Aluminum Alloy Bearing Housings offer a perfect balance of strength, durability, and corrosion resistance, filling the gap between standard cast iron and plastic housing solutions. Manufactured through high-precision die-casting processes, these housings provide excellent structural integrity and dimensional stability for a wide range of medium-duty industrial applications.
Our comprehensive range includes popular types such as KP000 (Pillow Block), UP000 (Take-Up Block), UFL000 (Two-Bolt Flange Block), and KFL000 (Four-Bolt Flange Block), designed to accommodate standard self-aligning ball bearings for reliable performance.
Key Features & Benefits:
Superior Material Properties: Crafted from high-grade zinc-aluminum alloy (e.g., ZA-12, ZA-27), these housings provide a superior strength-to-weight ratio, offering greater toughness and impact resistance than standard aluminum or plastic housings.
Excellent Corrosion Resistance: The alloy naturally resists rust and withstands harsh environmental conditions much better than cast iron, making it suitable for use in food processing, packaging, and other mildly corrosive environments without the need for additional coatings.
Lightweight & Durable: Significantly lighter than cast iron housings, they reduce the overall weight of assemblies for easier handling and installation, while maintaining the high load-bearing capacity and rigidity required for demanding applications.
Precision Die-Casting: The manufacturing process ensures consistent quality, complex geometries, and excellent surface finishes, guaranteeing precise bearing seating and alignment for smooth operation and extended service life.
Cost-Effective Performance: Provides an optimal blend of the durability of metal and the corrosion resistance of polymers, often at a more competitive cost than stainless steel solutions.
Versatile Sealing Options: Typically come equipped with effective integral seals (e.g., rubber or felt) to protect the bearing from contaminants and retain lubrication, enhancing reliability in dusty or wet conditions.
Primary Housing Types:
KP000 Series: Pillow Block Housings
The most common type, designed for mounting on flat surfaces using two or four bolt holes. Offers a robust and stable solution for conveyor systems, agricultural machinery, and drive assemblies.
UP000 Series: Take-Up Block Housings
Features an adjustable base with slotted bolt holes. This allows for easy adjustment of the belt or chain tension in conveyor systems, simplifying maintenance and ensuring optimal drive performance.
UFL000 Series: Two-Bolt Flange Housings
Designed for mounting onto vertical surfaces, such as machine frames or walls, via two bolts. Provides a compact and space-saving solution for applications like electric motors, fans, and pumps.
KFL000 Series: Four-Bolt Rectangular Flange Housings
Offers a more secure and rigid mounting solution for vertical surfaces using four bolts. Ideal for applications with higher loads or more severe vibrations, ensuring maximum stability.







