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UJK Stainless Steel Bearing Units - Product Introduction

UJK, a renowned brand in the power transmission and bearing industry, offers a comprehensive range of high-performance Stainless Steel Bearing Units. Designed for exceptional corrosion resistance, hygiene, and durability, these units are the ideal solution for demanding applications in food & beverage processing, pharmaceutical, chemical, marine, and other environments where moisture, washdowns, or corrosive agents are present.

Manufactured primarily from AISI 304 or AISI 316 stainless steel, these bearing units provide superior protection against rust and corrosion compared to standard carbon steel units.

Key Features & Benefits:

• Superior Corrosion Resistance: Constructed from AISI 304/316 stainless steel for extended service life in harsh environments.

• Hygienic Design: Easy to clean and maintain, making them perfect for food-grade and sanitary applications.

• Reliability: Equipped with deep groove ball bearings, ensuring smooth operation and high load capacity.

• Versatility: Available in various housing types (pillow blocks, flange units, take-ups, etc.) to suit numerous mounting configurations.

• Interchangeability: Designed to standard dimensions, making them interchangeable with other major brands.

Series Model Overview & Dimension Ranges

UJK's stainless steel bearing unit series cover a wide spectrum of mounting styles. Below is a summary of the key series and their general dimension ranges.

1. UCP - Eccentric Locking Collar Pillow Block

• Description: The most common type of pillow block bearing with an eccentric locking collar for secure shaft mounting. Features a cast stainless steel housing with two mounting holes.

• Typical Shaft Sizes: Ranges from ¾ inch (20mm) to 2 inches (50mm) and beyond.

• Bore Sizes: Metric equivalents from 20mm to 50mm.

2. UCF - Square Flange Cartridge Unit

• Description: A four-bolt square flange unit, ideal for mounting on vertical surfaces or where space is constrained.

• Typical Shaft Sizes: From ½ inch (12mm) to 2 inches (50mm).

• Bore Sizes: Metric equivalents from 12mm to 50mm.

• Flange Size: Varies with bore size (e.g., ~80mm x 80mm for a UCF 204 unit).

3. UCFL - Oval Flange Cartridge Unit

• Description: Similar to the UCF but with a two-bolt oval flange. Offers a compact design for lightweight applications.

• Typical Shaft Sizes: From ½ inch (12mm) to 1 ⅛ inches (30mm).

• Bore Sizes: Metric equivalents from 12mm to 30mm.

4. UCT - Expansion Type Pillow Block

• Description: Features a set screw locking mechanism and is designed to accommodate shaft expansion due to thermal growth, preventing bearing binding.

• Typical Shaft Sizes: Commonly available for larger shaft diameters.

5. UCFC - Circular Flange Cartridge Unit

• Description: A two-bolt circular flange unit, providing a simple and clean mounting solution for vertical surfaces.

• Typical Shaft Sizes: From ½ inch (12mm) to 1 ⅛ inches (30mm).

• Bore Sizes: Metric equivalents from 12mm to 30mm.

• Flange Diameter: Varies with bore size.

6. UCPA - Piloted Flange Cartridge Unit

• Description: A four-bolt flange unit with a pilot on the base for accurate locating and mounting into a machined counterbore, ensuring perfect alignment.

• Typical Shaft Sizes: Commonly available for various standard bore sizes.

7. UCHA - Two-Bolt Pillow Block (Y-Block)

• Description: A lightweight, two-bolt pillow block housing with a set screw locking mechanism. Offers a cost-effective solution for less demanding applications.

• Typical Shaft Sizes: From ½ inch (12mm) to over 1 inch (25mm).

• Bore Sizes: Metric equivalents from 12mm to 25mm.