What is the difference between N319M and N319EM? Are the two bearings interchangeable?

Compared to N319M, the N319EM has a strengthened internal structure that can withstand higher radial loads!

Are the two bearings interchangeable? Do you mean the inner ring swap or the whole set of substitutions? If it's a whole set of substitutions, no problem!

For your model, if it is a single inner ring or outer ring interchangeable, it is generally not allowed! Even though he has the same dimensions, some of the inner raceways are not the same!

But some manufacturers produce N319M and N319EM are the same size and are actually interchangeable, but theoretically they are still not allowed! (Internal clearance is critical)!

Depending on your supplement: Completely interchangeable.

This type of bearing is our common needle roller bearing.

That is, radial short cylindrical roller bearings, for example: the difference between N319 bearings and NU319 bearings is:

The outer sleeve of the N319 bearing is "live", that is to say, the outer sleeve of the bearing is the inner sleeve and retainer of the bearing.

It is movable to be able to separate.

The bearing of NU319 means that the inner sleeve of the bearing can be removed from both sides of the bearing!

In addition, there are several classifications such as NJ (the bearing inner sleeve has a flange on one side so that the bearing inner sleeve can only be removed from one side), NUP and so on!

319 should be bearing 6319 according to my personal understanding, which is abbreviated. The 6319 belongs to another series of bearings. He belongs to deep groove ball bearings.

Generally speaking, the suffix of E is an improved or slightly improved internal structure, also known as a strengthened type.

The specifications (dxdxb) are: 95 200 45

These two types of bearings are interchangeable. Perhaps the performance of the use with e will be improved.

The one with e is the reinforced type, and there is no difference in the rest.

There's no difference, E is a strengthened type, and it's all this now.

Hello, I am a bearing, N-shaped bearing: the inner ring has a double gear edge, which cannot be separated from the roller, and the outer ring has no gear edge, which can fall off freely from both sides;

Nu-shaped bearing: the outer ring has a double gear edge, which can not be separated from the roller, and the inner ring has no gear edge, which can fall off freely from both sides, and theoretically as long as the bearing N319 and NU319 dimensions are fixed, they can be interchangeable and universal.

NU319 is a single-row cylindrical roller bearing with no flange in the inner ring and double flange in the outer ring. N319 is a single-row cylindrical roller bearing bearing bearing with no flange on the outer ring and double flange on the inner ring. The most important thing is that these two kinds of bearings are in different directions, so they cannot be replaced.

N319 bearings are outer ring flangless cylindrical roller bearings, while Nu319 bearings are inner ring flangless cylindrical roller bearings, and the rest of the dimensions are exactly the same. However, this kind of bearing is the inner and outer rings can be separated, and the difference between the above two types of bearings is: whether to disassemble the outer ring or the inner ring first.

The way to use it is exactly the same.

Not interchangeable. The difference itself is in the contact angle and accuracy level.,These are not considered.,Then this post is not interesting.,It's all about lifting.。 First of all, the force mode of the two structures is different, the screw rod is mainly subjected to biaxial force, so the bearing with a large contact angle should be used, generally the B series has a 60-degree contact angle; Of course, when the axial force of the screw is not large, it can also be replaced by a series of 25 degrees of contact angle (the accuracy level of a series is higher than that of the B series, ** is also expensive, used, in fact, it is a bit wasteful) The spindle force is more complex, and the axial and radial forces will be stressed (according to the use of tools on the spindle, it is generally a comprehensive axial and radial force at the same time, but some focus on the end face force, and some focus on the side radial force), and at the same time have high speed and rotation accuracy, and the B series is not suitable for high speed, The accuracy class is not as high as that of the A series and C series, so it cannot be used for spindles.

Unless the spindle accuracy and speed are not high, it can barely be used (but it seems more appropriate to use tapered roller bearings at this time, or the economy of plane thrust + ball bearings is better) View the original post".

This is a cylindrical roller bearing with no flange in the inner ring, and the difference between the two is that the former has a copper cage and the latter has an iron cage.

N series bearings are separated from the outer skin, Nu is separated from the inner ring, are short cylindrical bearings, depending on what kind of place you use, you can check the use of these two kinds of bearings, choose the best one

In the case of interchange, consider the size of installation and removal.

Yes, n is the outer boot and nu is the inner boot.