4Pcs 18287 2RS Bearing 18*28*7 mm For DT SWISS Bicycle Hub Front Rear Hubs Wheel

Description

What is non-standard bearing?
Non-standard bearing, is not in line with the national standards for the size of the bearings.
Its main features are low degree of versatility, many for special equipment, special occasions, small batch.
It is not large-scale, and production enterprises are seldom.
So the cost is high, the price is more expensive.
DETAILS
Item: 18287-2RS
Closures: 2RS Sealed
Structure: Ball Bearing
Dimensions: 17 x 28 x 7 mm
ID (inner diameter): 17 mm
OD (outer diameter): 28 mm
Width: 7 mm
Quantity: 1 Lot = 4 PC
Installation note:
Do not hit the bearing with strong force.
Put the bad bearing pad on the outside,gently tap on the bad bearing.
Do not knock on the new bearing.
1. Why do the bearings I received have shaking?
The clearance of the bearing is related to the play.
The default is the standard C0 clearance, which is usually 3-18um.
The corresponding principle is shown in the figure below.
If you don't need to shake, please choose C2 small clearance bearing.
If you have any questions, please contact us before purchasing.
2. Do I still need to add grease to the bearings?
Grease does not need to be added extra.
Because the bearings are pre-filled with grease at the factory.
You can refer to our Youtube video to learn about the production process.
If you have special using requirements, please operate under the guidance of a professional.
3. What is the accuracy of ABEC-1?
ABEC is the American ANSI standard.
The corresponding German DIN standard and international ISO standard are as follows:
4. Why do stainless steel bearings can be sucked up with magnets?
Standard bearings are made of chrome steel.
For special environments, stainless steel bearings are used.
Commonly used stainless steel materials are 440C, 420, 304, 316.
Except that 316 is non-magnetic material,
other stainless steel materials have weak magnetic.
This is determined by the composition properties of the material itself.
Please contact us for specific application guidance.
5. Do you provide logistics tracking information?
Yes, all our products provide full logistics tracking.
And the products you buy are all new.
We will buy transportation insurance for you.
If the product is damaged or lost during transportation, you can get paid.
6. ONE MORE THING
We have been in the bearing industry for 13 years.
Now we have 5,000 bearing models and 3,500 models in stock.
We believe that there is no problem that cannot be solved by communication.
If you have any questions, please contact us.
Your feedback is very important to us.
A good review is our greatest support.