688 8x16x4 mm hxhv zirconia zro2 full ceramic ball bearing with 9 balls PEEK retainer

Model NO.
688
OEM Service
Custom bearing′s size, logo, packing.
Certificate
CE
Feature
High temperature and corrosion resistant
Full Ceramic Type
Ceramic rings and balls
Hybrid Ceramic Type
Stainless steel rings and ceramic balls
Seal Type
Open
Bearing Balls and Rings
Black ceramic Si3N4, White ceramic ZrO2
Bearing Retainer
PTFE PEEK Nylon or Steel Retainer
Accuracy Grade
P0 P6 P5 P4 P2 or ABEC1 ABEC3 ABEC5 ABEC7 ABEC9
Radial Clearance
C2 C0 C3 C4 C5
Vibration Tolerance
V V1 V2 V3 V4
Vibration Acceleration
Z Z1 Z2 Z3 Z4
Lubrication
Oil or Grease
Sample
Yes, In stock
Bearing Price
Please contact us for factory wholeslae price.
Transport Package
Universal Packing or Hxhv Packing
Specification
8x16x4mm
Trademark
HXHV
Origin
China
HS Code
6909110000
Production Capacity
60000 Pieces/Week
Reference Price
$ 46.80 - 53.10

Product Description

Material :
1, Full Ceramic bearing's material:  SI3N4 or ZrO2 rings and balls, PTFE, PEEK or Nylon retainer.
2, Hybrid Ceramic bearing's material: Si3N4 or ZrO2 balls, chrome steel or stainless steel rings.
OEM Service : Custom bearing's size, logo, packing. 
Tip: The price above is only for reference, please contact us for ceramic bearing price.

What is better ceramic or steel bearings?
A ceramic ball bearing is also harder than steel bearings (up to 30%), which improves durability, and they also don't rust so less maintenance should be required. Most sealed ceramic bearings are actually hybrid ceramic bearings, which combine a steel race with ceramic ball bearings.

Why are ceramic bearings so good?
They are more corrosion-resistant, harder, and last longer in everyday use. In our higher-end CULT bearings (ceramic balls and races), lighter lubrication is needed, so they roll much quicker with less drag than standard steel bearings. Ceramic deals with heat better, so less friction is a bonus.

Why are ceramic bearings expensive?
This is mostly due to the additional time spent to perfect a quality ceramic ball. It takes weeks for a Kogel ball to sit in a tumbler and be perfectly polished.

Do ceramic bearings need grease?
No, full ceramic bearings can be run completely dry. They do not need lubrication to run. Ceramic is non-porous, unlike steel, as a result it is virtually frictionless.

How much faster are ceramic bearings?
He says ceramic bearings are said to be three to five times harder than steel bearings and, as a result, can withstand the force applied to them through chain tension and pedalling for longer. "The ceramic balls also insulate the steel races," says Sollenberger.

Are ceramic bearings loud?
Ceramic bearings are definitely louder than stock SS bearings.

Are ceramic ball bearings magnetic?
All-ceramic bearings are fully nonmagnetic. They also offer excellent resistance to corrosion and wear.

What is hybrid bearing?
Hybrid bearings have rings made of bearing steel and rolling elements made of bearing grade silicon nitride (Si3N4), which make the bearings electrically insulating. Silicon nitride rolling elements can extend bearing service life by offering enhanced bearing performance, even under difficult operating conditions.

What's the application of ceramic bearings?
Ceramic bearings can be used for skateboard, bike, motorcycle, bicycle, fishing reels, ceramic bottom bracket and so on.
ceramic bearings skateboard, ceramic wheel bearings, ceramic skate bearings, ceramic bearings bike,ceramic bearings bicycle, ceramic bearings road bike,ceramic wheel bearings motorcycle, high speed ceramic bearings, ceramic bearings for fishing reels, ceramic bearings motorcycle.

Dimension of ceramic Bearings
Model Number Bore Diameter Outer Diameter (mm) Width (mm) Weight (kg)
682 2 mm 5 mm 1.5 mm 0.001 kg
602 2 mm 7 mm 2.8 mm 0.5 kg
683 3 mm 7 mm 3 mm 0.001 kg
693 3 mm 8 mm 4 mm 0.0006 kg
126 6 mm 9 mm 6 mm 0.01 kg
603 3 mm 9 mm 3 mm 0.9 kg
684 4 mm 9 mm 4 mm 0.002 kg
623 3 mm 10 mm 4 mm 0.0015 kg
685 5 mm 11 mm 3 mm 0.0011 kg
694 4 mm 11 mm 4 mm 0.0018 kg
604 4 mm 12 mm 4 mm 0.004 kg
624 4 mm 13 mm 5 mm 0.0032 kg
686 6 mm 13 mm 3.5 mm 0.0019 kg
695 5 mm 13 mm 4 mm 0.0024 kg
605 5 mm 14 mm 5 mm 0.0035 kg
687 7 mm 14 mm 3.5 mm 0.0021 kg
696 6 mm 15 mm 5 mm 0.0038 kg
625 5 mm 16 mm 5 mm 0.0048 kg
634 4 mm 16 mm 5 mm 0.0049 kg
688 8 mm 16 mm 4 mm 0.0031 kg
606 6 mm 17 mm 6 mm 0.006 kg
616 6 mm 17 mm 6 mm 0.006 kg
689 9 mm 17 mm 4 mm 0.0032 kg
697 7 mm 17 mm 5 mm 0.0052 kg
135 5 mm 19 mm 6 mm 0.023 kg
607 7 mm 19 mm 6 mm 0.008 kg
617 7 mm 19 mm 6 mm 0.007 kg
626 6 mm 19 mm 6 mm 0.0081 kg
635 5 mm 19 mm 6 mm 0.008 kg
698 8 mm 19 mm 6 mm 0.0073 kg
699 9 mm 20 mm 6 mm 0.0082 kg
127 7 mm 22 mm 7 mm 0.015 kg
608 8 mm 22 mm 7 mm 0.012 kg
618 8 mm 22 mm 7 mm 0.012 kg
627 7 mm 22 mm 7 mm 0.013 kg
636 6 mm 22 mm 7 mm 0.014 kg
609 9 mm 24 mm 7 mm 0.014 kg
619 9 mm 24 mm 7 mm 0.016 kg
628 8 mm 24 mm 8 mm 0.017 kg
129 9 mm 26 mm 8 mm 0.023 kg
629 9 mm 26 mm 8 mm 0.02 kg
637 7 mm 26 mm 9 mm 0.025 kg
638 8 mm 28 mm 9 mm 0.029 kg
639 9 mm 30 mm 10 mm 0.036 kg

Packing:
Universal Packing
Without any logo on bearings or packing.
HXHV Packing
With our brand HXHV on bearings and packing.
Customized Packing
Depends on buyer's requirements.
Original Brand Packing
Bearing and packing are both original. Please contact us for pictures.

OEM / Customized Service
We can engrave your logo or model number on bearings and packing box by laser.
If you need non-standard bearings. we can also product them for you.


Certificate:
Our bearings comes with CE certificate and our company has been verified by SGS Group. Please contact us for clear certificate photos.


Other Bearings :
We produce different types of full ceramic bearings and hybrid ceramic bearings. 

To get the latest price , please contact us.

 

Angular Contact Ball Bearing