We never sell your data to third parties
Image for Illustration purposes only. Actual product may vary
NTN 7310CP4 is a single-row angular contact ball bearing with a 50 mm straight bore. Open enclosure with a nylon cage. Constructed from high carbon chrome steel. Designed for high-precision applications requiring axial and radial load support.
MODEL 7310CP4
$651.04 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable:No
a (Load Center)
0.9646 in
B (in)
1.0630
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)
1.9685
D (in)
4.3307
Da max
3.9370 in
da min
2.3622 in
Db max
4.1142 in
Double Row Width
2.1260 in
Dynamic Load Rating
16900 lbf
Dynamic load rating
16900 lbf
Enclosure
Open
Factor
13.4
I.D.
50 mm
Limiting Speed - Grease
10000 RPM
Limiting speed - grease
10000 RPM
Limiting Speed - Oil
14000 RPM
Limiting speed - oil
14000 RPM
Material
High carbon chrome steel
O.D.
110 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Quadruple Row Width
4.2520 in
r (in)
0.0787
r1
0.0394 in
r1as max
0.0394 in
ras max
0.0787 in
Static Load Rating
11600 lbf
Static load rating
11600 lbf
Triple Row Width
3.1890 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 | 14000 RPM |
Limiting Speed - Grease | 10000 RPM |
Precision | ISO Class 4 |
Configuration | One |
Factor | 13.4 |
Static Load Rating | 11600 lbf51500 N51.50 kN |
Dynamic Load Rating | 16900 lbf75000 N75.00 kN |
Enclosure | Open |
Weight | 2.297 lb1.042 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.9685 in50.000 mm |
D | 4.3307 in110.000 mm |
B | 1.0630 in27.000 mm |
r | 0.0787 in2.000 mm |
r1 | 0.0394 in1.000 mm |
Contact Angle | 15 |
a (Load Center) | 0.9646 in24.500 mm |
da min | 2.3622 in60.000 mm |
Da max | 3.9370 in100.000 mm |
Db max | 4.1142 in104.500 mm |
ras max | 0.0787 in2.000 mm |
r1as max | 0.0394 in1.000 mm |
Double Row Width | 2.1260 in54.000 mm |
Triple Row Width | 3.1890 in81.000 mm |
Quadruple Row Width | 4.2520 in108.000 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.
| Brand | Precision Twist Drill |
| Model | 5999398 |
| Brand | Pyramex |
| Model | HP14120 |
