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NTN 7001CG/GLP4 is a 70 series single-row angular contact ball bearing with a 12 mm straight bore. Open type with P4 precision class. Designed for high-speed and high-accuracy applications such as machine tool spindles and precision equipment.
MODEL 7001CG/GLP4
$218.36 Each
Prices are subject to change
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Returnable:No
a (Load Center)
0.2559 in
B (in)
0.3150
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Nylon
Cage material
Nylon
Cage Type
Fiber Glass Reinforced
Cage type
Fiber glass reinforced
Configuration
One
Contact angle
15 º
D (in)
1.1024
d (in)
0.4724
Da max
1.0039 in
da min
0.5709 in
Db max
1.0551 in
Double Row Width
0.6299 in
Dynamic Load Rating
1210 lbf
Dynamic load rating
1210 lbf
Enclosure
Open
Factor
13.4
I.D.
12 mm
Limiting Speed - Grease
31000 RPM
Limiting speed - grease
31000 RPM
Limiting Speed - Oil
41000 RPM
Limiting speed - oil
41000 RPM
Material
High carbon chrome steel
O.D.
28 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Light
Quadruple Row Width
1.2598 in
r (in)
0.0118
r1
0.0059 in
r1as max
0.0059 in
ras max
0.0118 in
Static Load Rating
595 lbf
Static load rating
595 lbf
Triple Row Width
0.9449 in
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Fiber Glass Reinforced |
Cage Material | Nylon |
Ball Material | Steel |
Limiting Speed - Oil | 41000 RPM |
Limiting Speed - Grease | 31000 RPM |
Precision | ISO Class 4 |
Configuration | One |
Preload | Light |
Factor | 13.4 |
Static Load Rating | 595 lbf2640 N2.64 kN |
Dynamic Load Rating | 1210 lbf5400 N5.40 kN |
Enclosure | Open |
Weight | 0.044 lb0.020 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 0.4724 in12.000 mm |
D | 1.1024 in28.000 mm |
B | 0.3150 in8.000 mm |
r | 0.0118 in0.300 mm |
r1 | 0.0059 in0.150 mm |
Contact Angle | 15 |
a (Load Center) | 0.2559 in6.500 mm |
da min | 0.5709 in14.500 mm |
Da max | 1.0039 in25.500 mm |
Db max | 1.0551 in26.800 mm |
ras max | 0.0118 in0.300 mm |
r1as max | 0.0059 in0.150 mm |
Double Row Width | 0.6299 in16.000 mm |
Triple Row Width | 0.9449 in24.000 mm |
Quadruple Row Width | 1.2598 in32.000 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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