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Brand Name : CSQ
Model Number : 690 series
Place of Origin : China
MOQ : 60 pcs
Price : Negotiable
Payment Terms : T/T
Supply Ability : Negotiable
Delivery Time : Negotiable
Packaging Details : Plastik box+carton box
Name : 690 series Miniature ceramic deep groove balls bearings
Model : 690 series
Race and ball : In material of ZrO2/Si3N4/SSiC
Precision : P6/ABEC3 to P4/ABEC7
Pacage : Plastik box+carton box
MOQ : 60 pieces/ one model
690 Series Miniature Ceramic Deep Groove Balls Bearings Of ZrO2/Si3N4/SSiC
Description of Miniature Ceramic Deep Groove Balls Bearings:
Our company can produce many kinds of ceramic bearings. Now we are mostly speciallizing in the automatic production of 608 ceramic bearings and other models of miniature ceramic deep groove ball bearings. The material of races and balls can be chosen among Si3N4 (silicon nitride), SSiC (silicon carbide) or ZrO2 (zirconia) and fitted with cage in material of PEEK, , Nylon or PFA. Welcome your inquiry.
Material properties of our ceramic material, which is based on our own experiments:
| Material Properties | Units | SSiC | HIP-Si3N4 | GPS-Si3N4 | HIP-ZrO2 |
| Density | g/cm3 | 3.15-3.18 | 3.27-3.29 | 3.22-3.27 | 6.05-6.09 |
| Porosity | % | 0 | 0 | 0 | 0 |
| Fledural Strength | MPa | 550 | 830 | 689 | 900 |
| Elastic Modulus | GPa | 410 | 310 | 310 | 200 |
| Hardness | HV5 | 2800 | 1580 | 1450 | 1300 |
| Fracture Toughness KIC | MPa.m1/2 | 4.6 | 6.1 | 5.7 | 8-11 |
| Maximum Use Temperature | ℃ (℉) | 1650 (3000) | 1000 (1830) | 1000 (1830) | 380 (716) |
Reference data of Miniature Ceramic Deep Groove Balls Bearings:
| Bearings model | Form size d (mm) | Form size D (mm) | Form size B (mm) | Load Cr (N) | Load Cor (N) | Max.Speed Grease (rpm) | Max. Speed Oil (rpm) |
| 694CE | 4 | 11 | 4 | 842 | 350 | 48000 | 56000 |
| 695CE | 5 | 13 | 4 | 948 | 432 | 43000 | 50000 |
| 696CE | 6 | 15 | 5 | 1179 | 523 | 40000 | 45000 |
| 697CE | 7 | 17 | 5 | 1412 | 719 | 36000 | 43000 |
| 698CE | 8 | 19 | 6 | 1969 | 917 | 36000 | 43000 |
| 699CE | 9 | 20 | 6 | 2171 | 1081 | 34000 | 40000 |

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