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NTN 7012HVDUJ74 is a 70 series single-row angular contact ball bearing with a 60 mm straight bore. Open design with a phenolic cage. Universal flush ground for duplex mounting in back-to-back, face-to-face, or tandem arrangements. Suitable for high-precision machine tool spindles and high-speed applications.
MODEL 7012HVDUJ74
$1,021.57 Each
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2B
1.4173 in
B (in)
0.7087
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
25 º
D (in)
3.7402
d (in)
2.3622
D1
3.3465 in
d2
2.7559 in
D4
3.5039 in
D5
2.9055 in
E (in)
0.0787
Enclosure
Open
I.D.
60 mm
Material
High carbon chrome steel
O.D.
95 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 | 2.3622 in60.000 mm |
|---|---|
| D | 3.7402 in95.000 mm |
| B | 0.7087 in18.000 mm |
| 2B | 1.4173 in36.000 mm |
| r2 max | 0.0433 in1.100 mm |
| r3 max | 0.0236 in0.600 mm |
| Contact Angle | 25 |
| d2 | 2.7559 in70.000 mm |
| D1 | 3.3465 in85.000 mm |
| D4 | 3.5039 in89.000 mm |
| D5 | 2.9055 in73.800 mm |
| E | 0.0787 in2.000 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.
#5034848
Brand
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Model
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#2177396
Brand
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Model
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