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NTN ML71920CVDUJ74S is a high-speed duplex angular contact ball bearing with a 100 mm bore, straight bore, and open enclosure. Features a phenolic cage and universal flush ground design for precision applications. Constructed from high carbon chrome steel.
MODEL ML71920CVDUJ74S
$2,865.92 Each
Prices are subject to change
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2B
1.5748 in
B (in)
0.7874
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
Two
Contact angle
17 º
D (in)
5.5118
d (in)
3.9370
D1
5.0591 in
d2
4.4291 in
d3
4.3110 in
D4
5.2362 in
D5
4.5630 in
E (in)
0.0795
Enclosure
Open
I.D.
100 mm
Material
High carbon chrome steel
O.D.
140 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Light
r2 max
0.0433 in
r3 max
0.0236 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 |
Precision | ISO Class 4 |
Configuration | Two |
Preload | Light |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.9370 in100.000 mm |
|---|---|
D | 5.5118 in140.000 mm |
B | 0.7874 in20.000 mm |
2B | 1.5748 in40.000 mm |
r2 max | 0.0433 in1.100 mm |
r3 max | 0.0236 in0.600 mm |
Contact Angle | 17 |
d2 | 4.4291 in112.500 mm |
d3 | 4.3110 in109.500 mm |
D1 | 5.0591 in128.500 mm |
D4 | 5.2362 in133.000 mm |
D5 | 4.5630 in115.900 mm |
E | 0.0795 in2.020 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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