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The NTN 7202CG1DUJ74 is a duplex angular contact ball bearing with a 15 mm straight bore. It features a universal flush ground design for matched pair mounting and an improved geometry steel cage. This high-precision bearing is suitable for machine tool spindles and other applications requiring accurate axial and radial load support.
MODEL 7202CG1DUJ74
$401.60 Each
Prices are subject to change
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2B
0.8661 in
B (in)
0.4331
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
15 º
D (in)
1.3780
d (in)
0.5906
D1
1.1417 in
d2
0.8307 in
D4
1.2323 in
D5
0.9173 in
E (in)
0.0827
Enclosure
Open
I.D.
15 mm
Material
High carbon chrome steel
O.D.
35 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Light
r2 max
0.0236 in
r3 max
0.0118 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 | 0.5906 in15.000 mm |
D | 1.3780 in35.000 mm |
B | 0.4331 in11.000 mm |
2B | 0.8661 in22.000 mm |
r2 max | 0.0236 in0.600 mm |
r3 max | 0.0118 in0.300 mm |
Contact Angle | 15 |
d2 | 0.8307 in21.100 mm |
D1 | 1.1417 in29.000 mm |
D4 | 1.2323 in31.300 mm |
D5 | 0.9173 in23.300 mm |
E | 0.0827 in2.100 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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