What Are 2-Hole Flanged Housing Units?
2-Hole Flanged Housing Units are mounted bearing assemblies designed to support rotating shafts while being securely attached to a flat vertical surface using two mounting bolts. These units combine a bearing insert with a flanged housing, creating a compact and easy‑to‑install solution for many industrial machines.
The flanged housing features two bolt holes positioned opposite each other, allowing the unit to be mounted directly onto machine frames, walls, or equipment structures. The bearing inside the housing supports the rotating shaft, reduces friction, and ensures smooth and stable motion.
2‑Hole flanged units are commonly used where the shaft runs perpendicular to the mounting surface. Their design allows reliable shaft support while simplifying installation and maintenance. Because of their compact structure and strong load‑handling capability, they are widely used in industries such as manufacturing, agriculture, material handling, and automation systems.
At Alma Bearings, customers can find a wide range of high‑quality 2‑Hole Flanged Housing Units from trusted global manufacturers, ensuring long service life and reliable performance in demanding industrial environments.
How 2-Hole Flanged Units Work
A 2‑Hole Flanged Housing Unit works by combining a bearing insert with a durable housing that attaches directly to a machine structure. The bearing insert is mounted inside the housing and supports the rotating shaft.
The unit typically consists of three main components:
• Bearing Insert – Usually a deep groove ball bearing designed to handle radial loads and moderate axial loads. The inner ring is mounted onto the shaft and secured using set screws or eccentric locking collars.
• Flanged Housing – The outer housing contains the bearing insert and features two mounting holes for easy installation. The housing protects the bearing and ensures proper alignment.
• Sealing and Lubrication System – Most units include seals to prevent contamination and retain lubricant. Grease fittings are often included to allow regular lubrication for longer service life.
Once mounted, the shaft passes through the bearing insert, which allows smooth rotation while supporting the load of the machine component attached to the shaft. The flanged housing holds the bearing in place and distributes forces evenly across the mounting surface.
2-Hole Flanged Housing Units Types
There are several 2‑Hole Flanged Housing Units types available, designed to meet different industrial requirements and operating environments.
Cast Iron 2‑Hole Flanged Units
Cast iron housings are the most commonly used type. They provide strong structural support and durability while remaining cost‑effective. These units are widely used in general industrial machinery.
Stainless Steel 2‑Hole Flanged Units
Stainless steel units are designed for environments where corrosion resistance and hygiene are important. Industries such as food processing, pharmaceuticals, and chemical manufacturing often use stainless steel housing units.
Heavy‑Duty Flanged Units
Heavy‑duty versions are designed to handle higher loads and demanding operating conditions. They often feature reinforced housings and high‑capacity bearings.
Set Screw Locking Units
In these units, the bearing insert is secured to the shaft using set screws. This is one of the most common locking mechanisms and provides a firm grip on the shaft.
Eccentric Locking Collar Units
These units use an eccentric collar to lock the bearing onto the shaft. This design helps ensure secure positioning while reducing the risk of slippage in rotating applications.
Advantages of 2-Hole Flanged Housing Units
2‑Hole Flanged Housing Units offer several important advantages that make them popular in many mechanical systems.
Easy Installation
The two‑bolt mounting design allows fast and simple installation on machine frames or walls without complex alignment procedures.
Compact Design
These units have a compact structure, making them suitable for applications where space is limited.
Reliable Shaft Support
The integrated bearing insert ensures stable support for rotating shafts while minimizing friction.
Low Maintenance
With built‑in lubrication systems and durable seals, these units require minimal maintenance.
Versatility
They can be used across many industries and are available in different sizes, materials, and bearing types.
Cost‑Effective Solution
Compared with custom bearing housings, 2‑Hole Flanged Housing Units offer an affordable and efficient solution for many machinery designs.
Common Industrial Applications
Because of their durability and simple installation, 2‑Hole Flanged Housing Units are used in a wide range of industries.
Conveyor Systems
In material handling systems, these units support rotating shafts that drive conveyor rollers.
Agricultural Machinery
Farm equipment such as harvesters, grain handling systems, and irrigation machines frequently use flanged bearing units.
Packaging Equipment
Packaging machines rely on precise shaft rotation, which makes flanged housing units an ideal solution.
Food Processing Machinery
Stainless steel versions are commonly used in hygienic environments where corrosion resistance is required.
Industrial Fans and Blowers
Flanged units help support shafts in ventilation and air‑handling systems.
Manufacturing Equipment
Many factory machines rely on mounted bearings for smooth shaft operation and long‑term reliability.
How to Choose the Right 2-Hole Flanged Unit
Choosing the correct 2‑Hole Flanged Housing Unit is important to ensure efficient operation and long service life.
Shaft Size
The bore diameter of the bearing must match the shaft size exactly to ensure proper installation.
Load Requirements
Consider both radial and axial loads that the unit must support. Heavy loads may require larger or reinforced units.
Operating Environment
Environmental conditions such as dust, moisture, chemicals, or high temperatures will influence the housing material and sealing requirements.
Housing Material
Cast iron is suitable for general industrial use, while stainless steel is recommended for corrosive or hygienic environments.
Speed and Lubrication Needs
High‑speed applications may require better lubrication systems or specialized bearings.
Mounting Conditions
Ensure that the mounting surface is suitable for the two‑bolt flange design and can support the loads generated during operation.
Consulting with a bearing specialist like Alma Bearings can help ensure the correct unit is selected for your machinery.
2-Hole Flanged Housing Units Price Factors
The 2‑Hole Flanged Housing Units price can vary depending on several factors.
Brand Reputation
Premium brands such as SKF and NSK often cost more due to advanced engineering and higher quality standards.
Bearing Size and Load Capacity
Larger units designed for heavy loads typically have higher prices.
Housing Material
Stainless steel housings are generally more expensive than cast iron versions.
Sealing and Lubrication Design
Units with advanced sealing systems and lubrication features may increase the overall cost.
Production Quality and Precision
Higher manufacturing precision leads to improved durability but can also raise the price.
Buying from a reliable supplier ensures you receive genuine products that deliver long‑term value.
Leading 2-Hole Flanged Housing Units Brands
Several global manufacturers are known for producing high‑quality 2‑Hole Flanged Housing Units.
SKF 2-Hole Flanged Housing Units
SKF units are widely recognized for their reliability, high load capacity, and excellent sealing technology.
FAG 2-Hole Flanged Housing Units
FAG, part of the Schaeffler Group, produces durable and precision‑engineered flanged bearing units suitable for demanding industrial applications.
NSK 2-Hole Flanged Housing Units
NSK offers advanced bearing technology with long service life and smooth performance.
NTN 2-Hole Flanged Housing Units
NTN units are known for their durability and consistent quality across many industries.
KOYO 2-Hole Flanged Housing Units
KOYO provides reliable and cost‑effective bearing solutions widely used in industrial and automotive applications.
ZEN 2-Hole Flanged Housing Units
ZEN offers affordable and dependable flanged bearing units suitable for standard industrial uses.
At Alma Bearings, customers can access all of these leading brands with expert guidance and competitive pricing.
Why Buy from Alma Bearings
Choosing the right supplier is essential when purchasing industrial bearings. Alma Bearings offers several advantages for businesses seeking reliable bearing solutions.
• Wide range of 2‑Hole Flanged Housing Units
• Genuine products from trusted global brands
• Competitive pricing and bulk purchase options
• Expert technical support for product selection
• Fast delivery across the UK
With years of experience in the bearing industry, Alma Bearings helps customers find the right products for their machinery while ensuring quality and reliability.
Conclusion
2‑Hole Flanged Housing Units are essential components in many industrial machines, providing stable support for rotating shafts while allowing easy installation on vertical surfaces. Their compact design, durability, and versatility make them a preferred choice across industries such as manufacturing, agriculture, material handling, and automation.
With various types, materials, and locking mechanisms available, selecting the correct unit is crucial for ensuring efficient machine performance and long service life. Leading manufacturers such as SKF, FAG, NSK, NTN, KOYO, and ZEN offer high‑quality solutions trusted worldwide.
If you are looking to buy 2‑Hole Flanged Housing Units, Alma Bearings offers a comprehensive selection of genuine products from top brands, along with expert advice and competitive prices.
Contact Alma Bearings today to find the right flanged housing units for your application and keep your machinery running smoothly.
2‑Hole Flanged Housing Units
1. What are 2‑Hole Flanged Housing Units?
2‑Hole Flanged Housing Units are bearing assemblies designed to support rotating shafts while being mounted to a vertical surface using two bolt holes. They include a flanged housing and a mounted bearing insert, providing reliable shaft support and easy installation in industrial machinery.
2. What are the common types of 2‑Hole Flanged Housing Units?
The most common 2‑Hole Flanged Housing Units types include cast iron flange units, stainless steel flange units for corrosive environments, and heavy‑duty units designed for high loads. They are also available with different locking mechanisms such as set screw locking or eccentric locking collars.
3. What factors affect the 2‑Hole Flanged Housing Units price?
The price depends on several factors including the brand, housing material, bearing size, load capacity, sealing system, and lubrication design. Premium brands like SKF or NSK may cost more but offer higher durability and performance.
4. Which brands manufacture reliable 2‑Hole Flanged Housing Units?
Some of the leading manufacturers include SKF, FAG, NSK, NTN, KOYO, and ZEN. These brands are known for producing high‑quality mounted bearing units suitable for various industrial applications.
5. Where can I buy 2‑Hole Flanged Housing Units?
You can buy 2‑Hole Flanged Housing Units from specialized industrial bearing suppliers such as Alma Bearings, which offers a wide range of units from leading brands with competitive pricing and technical support.
