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NTN 7MC3-6322C3 is a 6300 series single-row deep groove ball bearing with a 110 mm straight bore. It features an open design with no seals or shields and C3 internal clearance for applications requiring thermal expansion accommodation. Used in electric motors, pumps, fans, and general industrial rotating machinery.
MODEL 7MC3-6322C3
$1,661.51 Each
Prices are subject to change
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B (in)
1.9685
Ball material
Steel
Ball Material
Steel
Bore type
Round
Bore Type
Round
Cage material
Steel
Cage Material
Steel
Cage type
Pressed
Cage Type
Pressed
Configuration
One
D (in)
9.4488
d (in)
4.3307
da max
5.8661 in
Da max
8.937 in
da min
4.8425 in
Dynamic load rating
51030 lbf
Dynamic Load Rating
51030 lbf
Enclosure
Open
Factor
13.1
I.D.
110 mm
Limiting speed - grease
2900 RPM
Limiting Speed - Grease
2900 RPM
Limiting speed - oil
3400 RPM
Limiting Speed - Oil
3400 RPM
Material
High Carbon Chrome Steel
O.D.
240 mm
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision
Class 0
r (in)
0.1181
Radial internal clearance
C3
Radial Internal Clearance
C3
ras max
0.0984 in
Seal material
None
Seal type
None
Static load rating
40240 lbf
Static Load Rating
40240 lbf
Type
Deep Groove Ball Bearing
Bearings The NTN Megaohm Single Row Radial Ball Bearing (Catalog Number: 7MC3-6322C3) is engineered for optimal performance in demanding applications. As part of the 6300 series, this open type bearing delivers exceptional reliability and efficiency in a compact design, making it ideal for a variety of automotive and industrial uses.
Key Features
| Type | Single Row Radial Ball Bearing, designed to handle radial loads effectively |
|---|---|
| Construction | Open type design for easy lubrication access and heat dissipation |
| Material | Manufactured with high-quality steel to ensure durability and resistance to wear |
| Internal Clearance | C3 rated, providing enhanced operational performance under high-speed conditions |
| Dimensions | 110 mm outer diameter, 60 mm inner diameter, and 22 mm width for versatile applications |
Applications
| Automotive Industry | Ideal for use in wheel hubs, transmissions, and other critical components requiring reliable support |
|---|---|
| Industrial Machinery | Suitable for various machines and equipment where radial loads are prevalent |
| Compatibility | Designed to fit seamlessly with standard automotive and industrial systems, ensuring easy replacement and integration |
| Environmental Suitability | Performs well in a wide range of temperatures and conditions, making it a robust choice for diverse applications |
Benefits
| Enhanced Performance | Reduces friction and improves energy efficiency, contributing to smoother operation and extended equipment life |
|---|---|
| Durability | The robust construction ensures long-lasting performance, reducing the need for frequent replacements |
| Easy Maintenance | Open design allows for straightforward lubrication and monitoring, enhancing operational reliability |
| Cost-Effective | Offers a balance of affordability and high performance, making it an excellent choice for budget-conscious projects without compromising quality --- 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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