68 Serye687 Bearing

Miniature bearings are a type of bearing specially designed for small and precision applications. The 68 Series miniature bearing is one of the most popular types of miniature bearings on the market. This series features a wide range of sizes and options to suit various mechanical needs. 

The 68 Series miniature bearing is commonly used in various industries including robotics, aerospace, medical devices, and many others. Its small size and precision make it ideal for applications with limited space and tight tolerances.

One of the defining features of the 68 Series miniature bearing is its ability to handle high speeds while maintaining low noise and vibration. This is achieved through the use of high-grade materials and advanced manufacturing techniques that ensure smooth operation and minimal friction. 


VAFEM (Shang Hai) Bearing Technology Co.,Ltd
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68 Serye

Dimension and Parameters

Designation
With shiled :687
Open type :687ZZ1
With seal VV :687VV
With seal DD :687DD
Principal dimensions(mm)
d :7
D :14
B :3.5
B1 :5
r(min) :0.15
Basic load ratings(N)
Cr :1170
Cor :510
Basic load ratings{kgf}
Cr :120
Cor :52
Speed ratings(rpm)
Grease
ZZ :40000
D·D :34000
Oil
Z :45000
Abutment and fillet dimensions (mm)
da(min) :8.2
db(max) :8.5
Da(Max) :12.8
Db(min) :12.7
ra(max) :0.15
rb(max) :0.15
Weight(g)
Open type :2.13
With shiled :2.97
Part Number:
d:
D:
B:
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