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The NTN MLE71912CVDUJ84S is a duplex angular contact ball bearing with a 60 mm bore, double sealed, and a phenolic cage. This high-precision bearing features a straight bore and is constructed from high carbon chrome steel. Designed for machine tool spindles and high-speed applications requiring axial rigidity and accuracy.
MODEL MLE71912CVDUJ84S
$1,112.99 Each
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2B
0.5118 in
B (in)
0.5118
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Phenolic
Cage material
Phenolic
Cage Type
Stratified
Cage type
Stratified
Contact angle
17 º
D (in)
3.3465
d (in)
2.3622
D1
3.1024 in
d2
2.5827 in
d3
2.6417 in
D4
3.1890 in
Enclosure
Double Sealed
I.D.
60 mm
Material
High carbon chrome steel
O.D.
85 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
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
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 |
Enclosure | Double Sealed |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.3622 in60.000 mm |
D | 3.3465 in85.000 mm |
B | 0.5118 in13.000 mm |
2B | 0.5118 in26.000 mm |
r2 max | 0.0394 in1.000 mm |
r3 max | 0.0118 in0.300 mm |
Contact Angle | 17 |
d2 | 2.5827 in65.600 mm |
d3 | 2.6417 in67.100 mm |
D1 | 3.1024 in78.800 mm |
D4 | 3.1890 in81.000 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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