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NTN 5308EEG15 double-row angular contact ball bearing with a 40 mm straight bore. Features double contact rubber seals and a nylon cage. Constructed from high carbon chrome steel for durability in radial and axial load applications.
MODEL 5308EEG15
$206.20 Each
Prices are subject to change
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Returnable:No
a (in)
2.1063
B (in)
1.4370
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
Two
Contact angle
30 º
D (in)
3.5433
d (in)
1.5748
Dynamic Load Rating
13900 lbf
Dynamic load rating
13900 lbf
Enclosure
Double Sealed
Limiting Speed - Grease
5100 RPM
Limiting speed - grease
5100 RPM
Material
High carbon chrome steel
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Straight
Precision
Class 0
r (in)
0.0591
Radial Internal Clearance
CN
Radial internal clearance
CN
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
10100 lbf
Static load rating
10100 lbf
Type
Angular Contact Ball Bearing
Technical Specifications
Type |
Angular Contact Ball Bearing |
Bore Type |
Round |
Outside Ring Type |
Straight |
Material |
High Carbon Chrome Steel |
Cage Type |
Fiber Glass Reinforced |
Cage Material |
Nylon |
Ball Material |
Steel |
Limiting Speed - Grease |
5100 RPM |
Seal Type |
Contact |
Seal Material |
Nitrile Rubber |
Precision |
Class 0 |
Configuration |
Two |
Radial Internal Clearance |
CN |
Static Load Rating |
10100 lbf45000 N45.00 kN |
Dynamic Load Rating |
13900 lbf62000 N62.00 kN |
Enclosure |
Double Sealed |
Operating Temperature Range |
-40 to 250 F-40 to 120 C |
Dimensional Specifications
|
|
|
d |
1.5748 in40.000 mm |
D |
3.5433 in90.000 mm |
B |
1.4370 in36.500 mm |
r |
0.0591 in1.500 mm |
Contact Angle |
30 |
a |
2.1063 in53.500 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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