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NTN MLE7009CVUJ74S is a single-row angular contact ball bearing with a 45 mm straight bore and a 25° contact angle. Designed for high-speed and high-precision applications, it features sealed construction and standard precision class. Suitable for machine tool spindles and precision rotating assemblies.
MODEL MLE7009CVUJ74S
$447.12 Each
Prices are subject to change
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Returnable:No
a (Load Center)
0.6299 in
B (in)
0.6299
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Phenolic
Cage material
Phenolic
Cage Type
Stratified
Cage type
Stratified
Configuration
One
Contact angle
17 º
d (in)
1.7717
D (in)
2.9528
D1
2.4803 in
d2
2.0866 in
d3
2.1535 in
D4
2.5591 in
Double Row Width
1.2598 in
Dynamic Load Rating
2453 lbf
Dynamic load rating
2453 lbf
Enclosure
Double Sealed
I.D.
45 mm
Material
High carbon chrome steel
O.D.
75 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Quadruple Row Width
2.5197 in
r2 max
0.0394 in
r3 max
0.0118 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Non-Contact
Seal type
Non-Contact
Static Load Rating
708 lbf
Static load rating
708 lbf
Triple Row Width
1.8898 in
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
|---|---|
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Stratified |
Cage Material | Phenolic |
Ball Material | Steel |
Seal Type | Non-Contact |
Seal Material | Nitrile Rubber |
Precision | ISO Class 4 |
Configuration | One |
Static Load Rating | 708 lbf3150 N3.15 kN |
Dynamic Load Rating | 2453 lbf10900 N10.90 kN |
Enclosure | Double Sealed |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.7717 in45.000 mm |
|---|---|
D | 2.9528 in75.000 mm |
B | 0.6299 in16.000 mm |
r2 max | 0.0394 in1.000 mm |
r3 max | 0.0118 in0.300 mm |
Contact Angle | 17 |
a (Load Center) | 0.6299 in16.000 mm |
d2 | 2.0866 in53.000 mm |
d3 | 2.1535 in54.700 mm |
D1 | 2.4803 in63.000 mm |
D4 | 2.5591 in65.000 mm |
Double Row Width | 1.2598 in32.000 mm |
Triple Row Width | 1.8898 in48.000 mm |
Quadruple Row Width | 2.5197 in64.000 mm |
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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