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![618/4 ZZ | 684 ZZ [SKF] Miniature deep groove ball bearing](https://ebearing.com.ua/92368-large_default/618-4-zz-684-zz-skf-miniature-deep-groove-ball-bearing.jpg "618/4 ZZ | 684 ZZ [SKF] Miniature deep groove ball bearing")
![618/4 ZZ | 684 ZZ [SKF] Miniature deep groove ball bearing](https://ebearing.com.ua/92368-thickbox_default/618-4-zz-684-zz-skf-miniature-deep-groove-ball-bearing.jpg "618/4 ZZ | 684 ZZ [SKF] Miniature deep groove ball bearing")
Manufacturer
SKF
SKF
Manufacturer designation:
684 ZZ
Designation due to standards:
684.ZZ - DIN 625-1 ISO15:2011
Design:
The ball bearing consists of two rings (internal and external) and rolling elements (balls), connected with a cage - separator.
Features:
Gap seals (type Z) on both sides of bearing
Parameters
Weight, W
0.0006 kg
Inner diameter, d
4 mm
Outer diameter, D
9 mm
Total width, T
4 mm
Shield type
Bilateral
Shield material
Metal
Static load, C0
0.116 kN
Dynamic load, C
0.423 kN
Limiting speed, Nlim
140000 RPM
Reference speed, Nref
70000 RPM
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![684 ZZ [EZO] Miniature deep groove ball bearing](https://ebearing.com.ua/82560-home_default/x684-zz-618-4-zz-ezo-miniature-deep-groove-ball-bearing.jpg.pagespeed.ic.Lg8crBkkC7.jpg "684 ZZ [EZO] Miniature deep groove ball bearing")
![684.2RS [EZO] Miniature deep groove ball bearing](https://ebearing.com.ua/113731-home_default/x6842rs-ezo-miniature-deep-groove-ball-bearing.jpg.pagespeed.ic.NbxIj-YsEp.jpg "684.2RS [EZO] Miniature deep groove ball bearing")
![684 [EZO] Miniature deep groove open ball bearing](https://ebearing.com.ua/89308-home_default/684-ezo-miniature-deep-groove-open-ball-bearing.jpg "684 [EZO] Miniature deep groove open ball bearing")
![Пiдшипник 684 H ZZ (1000084) [EZO] (нержавійка)](https://ebearing.com.ua/112944-home_default/x684hzz-ezo-deep-groove-ball-bearing-stainless-steel.jpg.pagespeed.ic.sLUJc001-F.jpg "Пiдшипник 684 H ZZ (1000084) [EZO] (нержавійка)")
![618/4 ZZ | 684 ZZ [SKF] Miniature deep groove ball bearing](https://ebearing.com.ua/92368-home_default/618-4-zz-684-zz-skf-miniature-deep-groove-ball-bearing.jpg "618/4 ZZ | 684 ZZ [SKF] Miniature deep groove ball bearing")
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