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NTN 71910HVQ16J74 is a single-row angular contact ball bearing with a 50 mm straight bore. Open design with a phenolic cage and high carbon chrome steel construction. Suitable for high-speed machine tool spindles and precision applications requiring axial load capacity.
MODEL 71910HVQ16J74
$1,338.32 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
B (in)
0.4724
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
Three
Contact angle
25 º
D (in)
2.8346
d (in)
1.9685
d2
2.2362 in
D4
2.6457 in
D5
2.3189 in
E (in)
0.0839
Enclosure
Open
I.D.
50 mm
Material
High carbon chrome steel
O.D.
72 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Light
r2
0.0236 in
r3
0.0118 in
Total width
1.4173 in
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
Material | High Carbon Chrome Steel |
Bore Type | Round |
Preload | Light |
Enclosure | Open |
Precision | ISO Class 4 |
Configuration | Three |
Cage Material | Phenolic |
Cage Type | Stratified |
Ball Material | Steel |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.9685 in50.000 mm |
D | 2.8346 in72.000 mm |
B | 0.4724 in12.000 mm |
Total Width | 1.4173 in36.000 mm |
r2 | 0.0236 in0.600 mm |
r3 | 0.0118 in0.300 mm |
d2 | 2.2362 in56.800 mm |
D4 | 2.6457 in67.200 mm |
D5 | 2.3189 in58.900 mm |
E | 0.0839 in2.130 mm |
Contact Angle | 25 |
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.
| Brand | Belden |
| Model | UJ-SS1000x00 |
