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NTN 7320BL1 is a single-row angular contact ball bearing with a 100 mm straight bore. Open type design with no seals or shields. Suitable for high-speed and combined radial-axial load applications in pumps, compressors, and machine tool spindles.
MODEL 7320BL1
$1,011.87 Each
Prices are subject to change
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a (Load Center)
3.5236 in
B (in)
1.8504
Ball material
Steel
Ball Material
Steel
Bore type
Round
Bore Type
Round
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
Configuration
One
Contact angle
40 º
D (in)
8.4646
d (in)
3.9370
Da max
7.9134 in
da min
4.4882 in
Db max
8.1890 in
db min
4.2126 in
Double Row Width
3.7008 in
Dynamic load rating
42500 lbf
Dynamic Load Rating
42500 lbf
Enclosure
Open
I.D.
100 mm
Limiting speed - grease
3000 RPM
Limiting Speed - Grease
3000 RPM
Limiting speed - oil
4000 RPM
Limiting Speed - Oil
4000 RPM
Material
High Carbon Chrome Steel
O.D.
215 mm
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision
ISO Class 0
Quadruple Row Width
7.4016 in
r (in)
0.1181
r1
0.0433 in
r1as max
0.0394 in
ras max
0.0984 in
Static load rating
40000 lbf
Static Load Rating
40000 lbf
Triple Row Width
5.5512 in
Type
Angular Contact Ball Bearing
Single Angular Contact Ball Bearing
- Open Type The NTN 7320BL1 is a high-performance single angular contact ball bearing designed for optimal load handling and precision rotation. This open-type bearing is engineered for applications that require low friction and high-speed capabilities, making it an ideal choice for various automotive and industrial uses.
Key Features
- Design: Single row angular contact design allows for axial loading in one direction, enhancing rigidity and stability in applications.
- Material: Manufactured with high-quality steel to ensure durability and resistance to wear, prolonging service life.
- Precision: Features a precise internal clearance for improved rotational accuracy and reduced vibration.
- Open Type: The open design facilitates easy lubrication access, making maintenance simpler and more effective.
- Load Capacity: Specifically designed to accommodate axial loads, providing reliable performance under varying conditions.
Applications
- Automotive: Commonly used in automotive wheel hubs, transmission systems, and other critical applications where precision and reliability are essential.
- Industrial Machinery: Suitable for pumps, gearboxes, and any machinery requiring efficient rotation and reduced friction.
- Compatibility: Designed to fit seamlessly with various NTN components and other bearing systems, ensuring versatile application across multiple sectors.
Benefits
- Enhanced Performance: The angular contact design allows for higher speed capabilities and efficient load distribution, leading to improved performance in demanding environments.
- Durability: Constructed from premium materials that resist wear and fatigue, ensuring a longer lifespan and reduced maintenance costs.
- Efficiency: Reduces friction and energy consumption, contributing to overall system efficiency and sustainability in operations. --- Product information compiled with AI assistance for reference purposes.
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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