Bearing for repair of spring seat of car harmonics
On 2019-04-25 23:13:26
Originally, it was a non-contact metal seal, had low waterproofness and was affected by gravel, etc., and movement was worse in about six months and noise was generated.
We selected this type because it is highly waterproof and dustproof, as we have also used LLU for hub bearings.
I checked about half a year later, but I have no problem in operation and keep good condition.
I am satisfied because the amount is cheap and the delivery date is early.
Naturally no problem because it is a manufacturer without a mistake.
There are cheap maker products, but with small volume production like the inside, the risk can not bear for several tens to several hundreds yen.
Replacement of roller bearings for bicycles with three roller bases.
On 2019-01-23 11:01:36
Both machined precision and initial smoothness of rotation are NTN, a cliché. We purchased more than one, but there is no problem of product variation. I was able to use it at ease. Durability is unknown at this point, but it was clearly longer life than the one that was assembled by default even when it was replaced before. Trustworthy.
Although non-contact type bearings were attached, since it felt that the gorillol was caught when idling, it was replaced.
With a structure hub pushed in a commonly exposed bearing, rust also appears in the retainer as water seems to enter when used for 1 or 2 years, I tried this side contact type here.
Lightness that I did as I did when I turned by hand ceased to exist, but I continue to turn properly with inertia. Since the hub of a bicycle rolls with the weight of a person rolling, it will not be a big difference if it is a bell on a town ride. Actually, I do not feel a disadvantage, and the merit seems to be great considering durability.
I have been using it almost everyday for about a year, but I do not feel a sense of collision.
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