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The NTN 7011CVUJ74 is a 70 series single-row angular contact ball bearing with a 55 mm straight bore. It features an open enclosure and a phenolic cage for high-speed and high-precision applications. Constructed from high carbon chrome steel, this bearing is designed for machine tool spindles and precision rotating assemblies.
MODEL 7011CVUJ74
$467.47 Each
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a (Load Center)
0.7480 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
One
Contact angle
15 º
D (in)
3.5433
d (in)
2.1654
D1
3.1496 in
d2
2.5591 in
D4
3.3071 in
D5
0.0787 in
Double Row Width
1.4173 in
Dynamic Load Rating
6863 lbf
Dynamic load rating
6863 lbf
E (in)
2.000
Enclosure
Open
I.D.
55 mm
Limiting Speed - Grease
16000 RPM
Limiting speed - grease
16000 RPM
Limiting Speed - Oil
24000 RPM
Limiting speed - oil
24000 RPM
Material
High carbon chrome steel
O.D.
90 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Light
Quadruple Row Width
2.8346 in
r2 max
0.0433 in
r3 max
0.0236 in
Static Load Rating
5850 lbf
Static load rating
5850 lbf
Triple Row Width
2.1260 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 |
Limiting Speed - Oil | 24000 RPM |
Limiting Speed - Grease | 16000 RPM |
Precision | ISO Class 4 |
Configuration | One |
Preload | Light |
Static Load Rating | 5850 lbf26000 N26.00 kN |
Dynamic Load Rating | 6863 lbf30500 N30.50 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.1654 in55.000 mm |
D | 3.5433 in90.000 mm |
B | 0.7087 in18.000 mm |
r2 max | 0.0433 in1.100 mm |
r3 max | 0.0236 in0.600 mm |
Contact Angle | 15 |
a (Load Center) | 0.7480 in19.000 mm |
d2 | 2.5591 in65.000 mm |
D1 | 3.1496 in80.000 mm |
D4 | 3.3071 in84.000 mm |
D5 | 0.0787 in2.7165 mm |
E | 2.000 in69.000 mm |
Double Row Width | 1.4173 in36.000 mm |
Triple Row Width | 2.1260 in54.000 mm |
Quadruple Row Width | 2.8346 in72.000 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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