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6800 Series

SUMMARY

Miniature deep groove ball bearings refer to metric series, with an outer diameter of less than 9mm; inch series, 681 618/2 628/2 618/3 683ZZ 618/4 628/4 684ZZ 618/5 628/5 685ZZ 618/6 628/6 686ZZ 618/7 687ZZ 618/8 688ZZ 618/9 689ZZ

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Miniature deep groove ball bearings

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Product Description

Miniature deep groove ball bearings refer to metric series, with an outer diameter of less than 9mm; inch series, of various types of bearings with an outer diameter of less than 9.525mm, the main materials are carbon steel, bearing steel, stainless steel, plastic, ceramics, etc., of which the smallest inner diameter can be achieved 0.6mm, generally with an inner diameter of 1mm. Miniature deep groove balls are suitable for all kinds of industrial equipment, small rotary motors and other fields with high speed and low noise.

Bearing Number	d mm	D mm	B(mm)
681	1	3	1
618/2	2	5	1.5
628/2	2	5	2.5
618/3	3	7	2
683ZZ	3	7	2.5
618/4	4	9	2.5
628/4	4	9	3.5
684ZZ	4	9	4
618/5	5	11	3
628/5	5	11	3.5
685ZZ	5	11	5
618/6	6	13	3.5
628/6	6	13	4
686ZZ	6	13	5
618/7	7	14	3.5
687ZZ	7	14	4
618/8	8	16	4
688ZZ	8	16	5
618/9	9	17	4
689ZZ	9	17	5

FAQ

Q:Your factory how to control the quality?

A:All bearing parts before the production and the production process, strict inspection by 100%, including crack detection, roundness, hardness, roughness, and the geometry size, all bearing meet ISO international standard.

Q:Can you tell me the bearing material?

A:We have chrome steel GCR15, stainless steel, ceramics and other materials.

Q:How long is your delivery time?

A: If the goods are in stock, usually 5 to 10 days, if the goods are no stock for 15 to 20 days, according to the quantity to determine the time.

Q:OEM and custom you can receive?

A: Yes, accept OEM, can also be customized according to samples or drawings for you.

Miniature deep groove ball bearings

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