What size are shimano MTB (wheel) hub ball bearings?
5 min read
Asked by: Tricia Stewart
2.381 mm (3/32″) – most Shimano pedals bearing balls.
What size are Shimano hub bearings?
The Shimano 3/16″ steel balls for front hub cone bearings
The Shimano 3/16″ steel balls for front cone bearings have a diameter of approx. 4.8 mm and are installed in numerous Shimano front hubs and wheels.
What size are MTB hub bearings?
Most hubs use 3/16″ front, 1/4″ rear. This isn’t a universal rule though. rogerzilla wrote: Most hubs use 3/16″ front, 1/4″ rear.
What size are the ball bearings in a freewheel hub?
1/4″ – most traditional bottom brackets require 11 x 1/4″ ball bearings on each side. Most rear hubs require 9 on each side. 3/16″ – most front hubs require 10 x 3/16″ bearings on each side. 1/8″ – freewheels and some pedals.
What size ball bearings do bikes use?
First off, there are 4 different sizes of ball bearings used for bike parts: 5/32″, 1/8″, 3/16″ and 1/4″. Oh, and some Shimano pedals even use 3/32″ size balls.
What size bearings are in bicycle hub?
4.762 mm (3/16″) – front wheel hubs (2 times 10 balls – i.e. 10 balls at each side most often). 6.35 mm (1/4″) – rear wheel hubs (usually 2 times 9 balls) and cup and cone bottom brackets (2 times 11). 5.556 mm (7/32″) Campagnolo Record front hubs and some exotic hubs of other manufacturers (2 times 9 balls).
Are all hub bearing the same size?
Bearing sizing
There are a few common sizes. Headsets and pedals tend to be 5/32”. Front hubs tend to be 3/16”. Rear hubs and bottom brackets tend to be 1/4”.
What grade are Shimano ball bearings?
Re: Ball bearing quality.
Higher quality Shimano and Campag hubs use grade 40 or 25, and replacements can be got from some specialist bike parts suppliers. The next grade up that’s commonly available from bearing shops is precision grade 10, and they’re usually quite expensive.
How do I know what bearings I need for my bike?
A cartridge bearing’s size is determined by its inside diameter (ID), outside diameter (OD) and width. The measurements take the form of ’15x24x5mm’ or similar. They often have a corresponding universal identifier, which in the case of the aforementioned bearing, would be 6802, for instance.
How do you measure a hub bearing?
Quote from video: The first method is the use of a digital caliper. Place the caliper at the bearing locations on the spindle the resulting. Number is the diameter of the spindle.
Why do Shimano use cup and cone?
Angular contact bearings of the cup & cone type offer greater strength than sealed cartridge industrial bearings due their ability to displace lateral and vertical loads more effectively for super smooth rotation and longer durability.
How many ball bearings does a Shimano freehub have?
Ten 3/16″ bearings per side on the front, Nine 1/4″ bearings per side on the rear.
How many balls does a Shimano freewheel have?
Pus “twenty-eight 3.0mm steel ball bearings used for the outer bearing assembly”. So he needs 66 total.
How do I know what size my bike hub is?
If you are unsure of your frame spacing or have an older bicycle, measure the hub width to ensure a proper fit. To do this, remove the rear wheel and use a pair of calipers or a ruler to measure the distance between the inner surfaces of the dropouts.
What size is a 6000 bearing?
10X26X8mm
Deep Groove Ball Bearings 6000 – 10X26X8mm Description
The 6000 is a 10 mm Ball Bearing that can be used in many rotary and factory automation applications.
What size is a 6200 bearing?
Single row deep groove ball bearings are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds.
Dimensions.
| d | 10 mm | Bore diameter |
|---|---|---|
| B | 9 mm | Width |
| d1 | ≈ 17 mm | Shoulder diameter |
| D2 | ≈ 24.72 mm | Recess diameter |
| r1,2 | min. 0.6 mm | Chamfer dimension |
Why does Shimano use cup and cone bearings?
One of the main reasons why Shimano continues to use cup and cone is the ability of the bearing to “displace axial and radial loads effectively”. Subsequently, there’s less stress on the bearing system when the bike moves from side to side.
Are Shimano hubs sealed bearings?
They are both sealed. High grade shimano hubs are actually pretty well sealed. I can see cone nuts in that picture, so its loose bearings.
How many ball bearings does a Shimano hub have?
Ten 3/16″ bearings per side on the front, Nine 1/4″ bearings per side on the rear.
How many ball bearings does a Shimano free hub have?
Plus a handful of spares, because the chances of putting 66 ball bearings in place without dropping a single one on the floor is small.
How do I know what Shimano freehub I have?
Knowing What Freehub You Need
- Determine the brand: Locate the brand of your existing cassette—most likely it is Shimano, SRAM, or Campagnolo.
- For a Campagnolo cassette, choose a Campy freehub.
- For a Shimano freehub, count the number of gears on the cassette. …
- For a SRAM freehub, count the number of gears.
How many bearings are in a MTB hub?
Most have 4 bearings—two for the hub shell and two for the cassette body. If a hub is not machined to high tolerances the bearing cup bores will not be properly aligned. Since the larger diameter of the cartridge bearings are press fit into the hub and cassette body, the inner, slip fit races are free to slide.