BUILT IN BEARINGS TEST

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Thanks,

Aaron Kyro

[inertiaMS]

I've seen them test bearings a few times. My tip would be to find a small hill that flattens out, start at the exact same place every time, jump on the deck and see how far you roll before you stop on the flat so there's no variable of how hard you push. Repeat it a few times to get an average for each bearing.

[andyboytv]

Bearing spacers do support the structure of your moving components however that isn't their main purpose. Skateboarding without spacers is completely fine. The main purpose to be able to tighten the wheels down all the way to eliminate play and and not seize. This is key in longboarding when powerslides are initiated frequently and spacers reduce chatter and make the wheels slide smooth to the pavement rather than loudly honking. This concept doesn't really apply in skateboarding in my opinion because hard wheels on a hard surface actually slide better when the wheels are loose.

[nikolasgibson]

The thing is, different wheels have a different core length, causing the issue where not all spacers fit. If too small, it will do nothing but add weight, and if too big, it will prohibit the bearing from being fully in the wheel, causing it to have a slight wobble due to the displacement that can break the bearing and possibly make them run slower. True fact, the spacers that come with bones reds, are too big for bones wheels! Fun facts for yall

[towleyd]

I just bought these for my long board and they are excellent! You need to worry about torsional loads with your bearings. Without spacers and speed washers, you move slower, noisier board, and you wear down the bearings faster. GET THESE!

[williammadray]

What is commonly referred to as a bearing washer is actually a very small thin bearing race. The race is used on the outer side of the bearing to keep the bearing from touching the wheel lock nut and creating friction.

[SkateGirlAndrea]

Lance and Aaron this is what it means. Not a down hill thing,   just maybe they use them more often then us. Skateboard bearings are not that good at taking side loads, they are all strong in axial load though. In skateboarding there is tons of abuse from each direction. Built in bearings will increase the amount of load they can take from the side, horizontally. Keeping the bearings in true alignment while reducing abuse and wear that can easily knock a bearing out of it's precision tolerances. This gives you a longer lasting bearing that maintains precision and speed. Also we all power slide, not just downhillers. This built in bearing is pre-emptive or corrective maintenance. There are types of maintenance. And even simply running a bearing through it's life span until it fails is one. You replace the bearing when this happens and you are good to go. Preventative maintenance is when we clean and re-lube the bearing through it's life span to get longer life and performance while saving money. This is the one I think we most often do. Of course if we want to keep going with this bearing study. Then manufacturing materials determine a lot too. I've been studying bearings, I want to make my own and create a good bearing out of the box that lasts with high preformace. Maintenace is always up to the Skater. To keep that on the table I am thinking of including bearing spacers with my bearings. Skate Girl, the bearing nerd.

[kayvahn]

"Support your local skateshop"

>Orders online

[tsangdaniel]

awsome, is suggest to put scooter pegs on a skateboard and try skate it

[maddabber]

I just bought 2 sets of these bearings a week ago they are so smooth and really good for bombing hills they are more for long boards but can have the same benefit for regular skateboards

[LakeNipissing]

3:54 . . . The reason for the spacer washers is to ensure the lateral thrust pressure from the lock nuts (outer wheel bearing), and truck hanger (inner wheel bearing), is exerted positively on the inner bearing races, and not the dust caps, which would chew them up, or even risk contacting the outer race.

[leviblock]

I became more happy when Aaron showed up, he really sooths me :)

[AntHill]

spacers are used to keep the bearings even in the wheel. Without them they have a chance to move a little especially with a lot of sliding like reverts and can become uneven causing them to slow down. They help a lot with high impact as they help spread the impact so it is less stressful on the bearings themselves. The washers are there to get the nut to put pressure on the correct spot on the bearing. Without them the nut can push on the shield itself instead of the inner ring. This can cause the shield to become damaged and make them ride slower as well as let water and sand into them. So having this built in gets rid of some of the variables and helps weight distribution a lot more than traditional spacers as well as makes a more solid nut to truck pressure meaning less chance of bearings wearing out as quick.

[mikejuliano]

*facepalm* the whole point of these bearings is to tighten them all the way down. how long the wheel spins doesn't always accurately represent how the board will roll.

[epitaphofnow]

Broseph,

Washers spread out force from the nut acting in a tension plane (axial pressure). With out a washer, only the surface area under the nut gets pressure - which means 6 points on the nut creating differential pressure on the bearings and that means they wear out pretty fast (comparatively speaking). The washer absorbs the 6 points of pressure applying more even pressure to the bearings, causing smoother rotation and thus a smoother ride. Don't lose your washers bro.

The spacer is designed to prevent wear on the axle (the bolt you mount the wheel on) and thus cause the bearing to wear through. Think of it like a mechanical condom - keeps the shaft from getting rough... Don't lose your spacers bro.

Bring a magnet with you along with that wrench when you change your bearings so you don't lose your nuts, spacers, and washers. Set it in your lap, underneath the wheel you are working on and it'll catch it when you pull off the wheel. If you do this your wheels, bearings, and ultimately the entire truck assembly will last longer. =) And since we're a bunch of poor asses that matters kinda.

Much love,
- Joe Shmoe Aircraft Mechanic.

PS, Love your vids. Shred-wards be, or some shit =)

[sklife]

a long time ago when i started skateboarding i used to buy the walmart boards and they used to have them kind of bearings . but i think they changed it now .

[fishmanfairclough]

4:55 yep that is how it is done, when done like that you should be able to tighten them right down as they should have speed washers and spacer included in the build or at least they do now.

[lamesingram]

when they were tightened all the way down, the bearing was doing its job. but they are brand new, so they seem sluggish. when you loosened it, the inner race is actually spinning on the axle like a bushing which seems much more free initially. those could be tightened all the way down and be perfectly fine after breaking down some of the lube.

[Frosty.Fingers]

I just got these today for my longboard and I love how smooth and silent they are!

[-user_redacted-]

Also, skateboard experiment idea. Replace all nuts on the board with appropriately sized wing nuts

[codymoncrief]

The washers are supposed to keep the side of the bearing from rubbing on the aluminum of the truck. Sometimes the aluminum truck end is not flat and can scrape on the bearing, slowing the wheel. The washer pushes it just a tiny bit out usually enough to prevent rubbing.
At the same time, the aforementioned rough end of the aluminum can twist the inner race of the inside wheel bearing, causing it to slow way down if the nut is even kinda snugged up (common on cheaper trucks). Built-in bearings prevent this since the nut is compressing the races against eachother, and their precise machined surfaces keep them both perfectly parallel, especially when torqued down tightly.
This can also be accomplished with the washers and seperate spacers, but they are easy to lose and tedious at times. The built-in bearings eliminate this woe, as there are no extra bits to lose. On top of that, most companies sell tube steel spacers, which are simply stamped and not precise- often these will only work marginally. A good set of MACHINED spacers is a great cheap option, as they are precisely made, and will prevent misalignment of the bearings.
Simply put, built-in bearings last longer for high-speed and side-load (downhill longboading, sliding, etc). Otherwise, normal bearings are best for skateboarding.