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Technical Parameters:
Product Designations:
638
Structure:
ceramic deep groove ball bearings
Inside Diameter:
8 mm
Outside Diameter:
28 mm
Thickness:
9 mm
Brand:
XLB
Precision Rating:
P0,P6,P5,P4
Bearing Material:
Si3N4/ZrO2,PEEK/PTFE
Seals Type:
open
ceramic bearings ZrO2 638
Description: ID:8MM * OD:28MM * TH:9MM
N.W.: 0.022kgs
Material : Si3N4 / ZrO2
What we offer :
1) Si3N4 / ZrO2 deep groove ball bearings open style ceramic bearings with PTFE / PEEK cage or the full complement deep groove ball bearings , which can reach highest 1100°
3) self-aligning ceramic bearings , single direction trust ceramic bearings , angular contact ceramic bearings ,full ceramic insert bearings
3) balls (stainless steel , ceramic balls , plastic bearings , steel)
Specification:
| Single-row deep groove ceramic ball bearing | ||||||||||
| Boundary dimensions(mm) | Mounting dimensions(mm) | Mass | ||||||||
| Bearing No. | da | da | Da | ra | (kg) (refer) | |||||
| d | D | B | r (min) | min | max | max | max | ZrO2 | Si3N4 | |
| 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 | 0.003 | |
| 608CE | 22 | 7 | 0.3 | 10 | / | 20 | 0.3 | 0.0093 | 0.005 | |
| 628CE | 24 | 8 | 0.3 | 10 | / | 22 | 0.3 | 0.013 | 0.0072 | |
| 638CE | 28 | 9 | 0.3 | 10 | / | 26 | 0.3 | 0.022 | 0.012 | |
| 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 | 0.006 | |
| 629CE | 26 | 8 | 0.3 | 11 | / | 24 | 0.3 | 0.015 | 0.0081 | |
| 639CE | 30 | 10 | 0.6 | 13 | / | 26 | 0.6 | 0.028 | 0.015 | |
| …… | ||||||||||
Hope what we offer is just what you want ,and feel free to contact me for any inquiry , thank you in advance !
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