September 12, 2025

High Speed 6308 Full Ceramic Ball Bearing

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Model NO.: 6308
Structure: Deep Groove
Type: Ball
Brand Name: Guanying
Size: 40x90x23mm
Outside Diameter: 0 - 200mm
Precision Rating: P6 P5 P4 P2
Seals Type: Open
Cage: Polytetrafluoroethylene, Nylon, Polyether
Vibration: V1 V2 V3 V4
Noise: Z1 Z2 Z3 Z4
Trademark: GYB
Transport Package: Single Box/Outer Carton
Specification: 6308
Origin: China
HS Code: 8482102000
High Speed 6308 Full Ceramic Ball Bearing
Advantages
1. Ceramic bearings are highly resistant to corrosion, making them ideal for use in harsh environments with corrosive media.
2. The lower density of ceramic balls compared to steel reduces the centrifugal force during rotation by up to 40%, significantly extending service life.
3. Ceramic materials have a smaller thermal expansion coefficient than steel, allowing for greater tolerance to temperature changes in extreme conditions.
4. With higher elastic modulus than steel, ceramic bearings are less prone to deformation, enabling high-speed operation and precision.
Applications
Ceramic bearings are suitable for high-temperature, cold, wear-resistant, corrosion-resistant, non-magnetic, self-lubricating, and high-speed environments. They are widely used in aerospace, aviation, navigation, petrochemical, automotive, electronics, metallurgy, power generation, textiles, pumps, medical devices, scientific research, and national defense. They are also used in advanced technologies as new material solutions.
The bearing rings and rolling elements are made of all-ceramic materials such as zirconium oxide (ZrO₂), silicon nitride (Si₃N₄), and silicon carbide (SiC). The cages can be made from polytetrafluoroethylene, nylon 66, polyetherimide, zirconia, silicon nitride, stainless steel, or special aviation aluminum, expanding their application range.

Name 		High Speed 6308 Full Ceramic Ball Bearing

Material
ZrO₂, Si₃N₄, Sic

Cage
Polytetrafluoroethylene, nylon, polyetherimide, zirconium oxide, silicon nitride

Dimension
40x90x23mm or as your requirements

Delivery Time
1. For samples: 1-3 days
2. For order: Generally 10-15 days after deposit

Payment Terms
1. 100% TT
2. 30% T/T in advance, 70% before shipment

Application
Medical equipment, low-temperature engineering, optical instruments, high-speed machine tools, high-speed motors, printing machinery, food processing machinery.

Package
1. Industrial packaging: Plastic tube (10 pcs in one tube) + carton + plywood pallets; plastic bag + kraft paper + carton + plywood pallets;
2. Commercial packing: 1 pc/plastic bag + single color box + carton + plywood pallets;
3. Or as your request

Feature
High precision, low noise, high speed, long life, high reliability, heavy load, and high temperature resistance.

Service
OEM and ODM
Picture of Bearings
High Speed 6308 Full Ceramic Ball Bearing
Models
Bearing Type Dimensions For installing size Weight
          da da Da ra kg
  d D B r The minimum The biggest The biggest The biggest ZrO₂ Si₃N₄
695CE 5 13 4 0.2 6.6 / 11.4 0.2 0.0019 0.0010
686CE 6 13 3.5 0.15 7.2 / 11.8 0.15 0.0015

0.0008
696CE 15 5 0.2 7.6 / 13.4 0.2 0.0030 0.0016
606CE 17 6 0.3 8 / 15 0.3 0.0046 0.0025
687CE 7 14 3.5 0.15 8.2 / 12.8 0.15 0.0017 0.0009
697CE 17 5 0.3 9 / 15 0.3 0.0040 0.0022
607CE 19 6 0.3 9 / 17 0.3 0.0059 0.0032
627CE 22 7 0.3 9 / 20 0.3 0.0098 0.0053
688CE 8 16 4 0.2 9.6 / 14.4 0.2 0.0025 0.0014
698CE 19 6 0.3 10 / 17 0.3 0.0056 0.0030
608CE 22 7 0.3 10 / 20 0.3 0.0093 0.0050
628CE 24 8 0.3 10 / 22 0.3 0.013 0.0072
689CE 9 17 4 0.2 10.6 / 15.4 0.2 0.0027 0.0015
699CE 20 6 0.3 11 / 18 0.3 0.0065 0.0035
609CE 24 7 0.3 11 / 22 0.3 0.011 0.0060
629CE 26 8 0.3 11 / 24 0.3 0.015 0.0081
6000CE 10 26 8 0.3 12 13 24 0.3 0.014 0.0075
6200CE 30 9 0.6 14 16 26 0.6 0.025 0.013
6300CE 35 11 0.6 14 16.5 31 0.6 0.040 0.022
6801CE 12 21 5 0.3 14 14 19 0.3 0.005 0.0025
6901CE 24 6 0.3 14 14.5 22 0.3 0.008 0.0042
6001CE 28 8 0.3 14 15.5 26 0.3 0.017 0.0092
6201CE 32 10 0.6 16 17 28 0.6 0.028 0.015
6301CE 37 12 1 17 18 32 1 0.046 0.025
6802CE 15 24 5 0.3 17 17 22 0.3 0.005 0.0029
6902CE 28 7 0.3 17 17 26 0.3 0.012 0.0063
6002CE 32 9 0.3 17 19 30 0.3 0.024 0.013
6202CE 35 11 0.6 19 20.5 31 0.3 0.035 0.019
6302CE 42 13 1 20 22.5 37 1 0.064 0.035
6803CE 17 26 5 0.3 19 19 24 0.3 0.005 0.0029
6903CE 30 7 0.3 19 19.5 28 0.3 0.013 0.0071
6003CE 35 10 0.3 19 21.5 33 0.3 0.032 0.017
6203CE 40 12 0.6 21 23.5 36 0.6 0.052 0.028
6303CE 62 17 1.1 23.5 / 55.5 1 0.21 0.11
6804CE 20 32 7 0.3 22 22.5 30 0.3 0.013 0.007
6904CE 37 9 0.3 22 24 35 0.3 0.028 0.015
6004CE 42 12 0.6 24 25.5 38 0.6 0.052 0.028
6204CE 47 14 1 25 26.5 42 1 0.082 0.045
6304CE 52 15 1.1 26.5 28 45.5 1 0.11 0.060
6805CE 25 37 7 0.3 27 27 35 0.3 0.016 0.009
6905CE 42 9 0.3 27 28.5 40 0.3 0.032 0.018
6005CE 47 12 0.6 29 30 43 0.6 0.061 0.033
6205CE 52 15 1 30 32 47 1 0.099 0.054
6305CE 62 17 1.1 31.5 36 55.5 1 0.18 0.098
6006CE 30 55 13 1 35 36.5 53 1 0.089 0.048
6206CE 62 16 1 35 38.5 60 1 0.15 0.083
6306CE 72 19 1.1 36.5 42.5 68.5 1 0.27 0.14
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Packing and Shipping
High Speed 6308 Full Ceramic Ball Bearing

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