rc ball bearings 6704

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Part Number 6704
Bearing type BALL
Structure Single Row
Load Direction Radial
Seal type OPEN
Bore diameter(d) 20mm
Outer diameter(D) 27mm
Width(B) 4mm
material Chrome steel 52100(Gcr15)
ring material Chrome steel 52100(Gcr15)
cage material 300 Series Stainless Steel
ball material Chrome steel 52100(Gcr15)
shields material 300 Series Stainless Steel
Grade ABEC-1(higher grade available)
Clearance C0(other clearance available)
BALL SIZE(mm) 2.381mm
lubrication grease(oil available)
Temperature Range -30℃~130℃
weight(g) 5.9
ISO9001:2015 PASSED
Dynamic Load Rating (Cr) 1402N
Static Load Rating (Cor) 729 N
rc ball bearings 6704zz d

6704  is one of pop rc ball bearings for rc  model, it is with a bore diameter 20mm,a outer diameter 27mm,and a width 4mm,it is open type,and we also can supply it with shiels or rubber seals, different color of rubber seal for choices.

Rc ball bearings are referred bearings used for rc model. Some rc ball bearings are used on servers, some on wheels, and some on micro motors.

Runstar is a professional rc ball bearings  manufacturer, we have been committed to the design and production of rc ball bearings with high precision and high speed, who has more then 15 year’s experience in designing and manufacturing rc bearings for rc models.

We have full size of rc ball bearings for choice, all rc ball bearings from Runstar has the followings characteristics.
1:full size of rc ball bearings available. Runstar design and manufacture full sizes of rc ball bearings with a bore size from 1mm to 20mm for rc models,it consists of metric miniature ball bearing, inch miniature ball bearing and miniature flange bearings.
2:High Precision to meet all needs in quality. Runstar’s Rcball  Bearings have different grade from ABEC-1 to ABEC-7 for choice.
3:High speed . It is one of the most basic requirements of rc bearings. RC Bearings with high speed can give full play to the performance of rc models.
4:Long life. The long-time rotation with high speed is a great test for the service life of the rc bearings. Runstar’s rc bearings are strictly controlled and managed from the selection of materials and each process to ensure that each rc ball bearing can be durable.
5:customized rc ball bearings is accepted.



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