The miniature ball bearing681 has the following features:
Compact size
The inner diameter of 681 is 1mm, the outer diameter is 3mm, and the thickness is 1mm. It is suitable for use in compact and precision instruments such as watches. The extremely small outer diameter of mini bearing 3mm can meet the installation requirements of various micro precision instrument bearings.
Excellent material
We use high-quality steel as the inner and outer rings of miniature roller bearings. The surface of the material has been specially treated to be wear-resistant and corrosion-resistant, and can work stably in a variety of environments.
High precision
The miniature bearing production technology is advanced and the precision can reach a high level, which can ensure the accuracy of the operation of watch gears and other components, and help improve the accuracy of watch travel time.
This type of silent deep groove ball bearings also has many models such as 681X, 682, 683, 684, etc. For more miniature bearing models, please refer to the table below. We can produce many models of miniature bearings and can produce various precision high-speed small bearings and miniature deep groove ball bearings according to the customer's operating conditions and rotation requirements.
Stainless steel deep groove ball bearings mini bearings SS681~689 series size catalog
|
Bearing NO. |
Inner diameter |
Outer diameter |
Width |
Steel ball |
Chamfer |
||
|
NO. |
Size |
||||||
|
Bearing 681 |
Open |
1 |
3 |
1 |
6 |
0.6 |
0.07 |
|
Seal |
1 |
||||||
|
Bearing 681X |
Open |
1.5 |
4 |
1.2 |
7 |
0.6 |
0.07 |
|
Seal |
2 |
||||||
|
Bearing 682 |
Open |
2 |
5 |
1.5 |
6 |
0.8 |
0.1 |
|
Seal |
2.3 |
||||||
|
Bearing 683 |
Open |
3 |
7 |
2 |
7 |
1.2 |
0.1 |
|
Seal |
3 |
||||||
|
Bearing 684 |
Open |
4 |
9 |
2.5 |
7 |
1.588 |
0.1 |
|
Seal |
4 |
||||||
|
Bearing 685 |
Open |
5 |
11 |
3 |
9 |
1.588 |
0.15 |
|
Seal |
5 |
||||||
|
Bearing 686 |
Open |
6 |
13 |
3.5 |
8 |
2.0 |
0.15 |
|
Seal |
5 |
||||||
|
Bearing 687 |
Open |
7 |
14 |
3.5 |
9 |
2.0 |
0.15 |
|
Seal |
5 |
||||||
|
Bearing 688 |
Open |
8 |
16 |
4 |
9 |
2.381 |
0.2 |
|
Seal |
5 |
||||||
|
Bearing 689 |
Open |
9 |
17 |
4 |
9 |
2.381 |
0.2 |
|
Seal |
5 |
||||||
For a comparison table of sizes and specifications of more imperial bearings (MR52ZZ, MR54ZZ, MR63ZZ, MR84ZZ, MR105ZZ), Imperial Bearing Product Catalog, MR Series Bearing Product Catalog, Mini Bearing Product Catalog,please consult BLH Bearing Factory.
Frequently Asked Questions:
1. Who are we?
We are headquartered in Guangdong, China. We were established in 2005 and sell to Western Europe (25%), North America (18%), the domestic market (15%), Southeast Asia (15%), Central America (5%), South America (4%), Southeast Asia (5%), Eastern Europe (5%), Northern Europe (5%), Oceania (2%), and the Middle East (1%). Our office has approximately 51-99 people.
2. How do we guarantee the quality of our bearings?
We provide samples for customer confirmation before mass production; we always conduct a final inspection before shipment.
3. What can you buy from us?
Deep groove ball bearings, ceramic bearings, pillow block bearings, thrust bearings, and roller pulleys for doors and windows.
4. Why should you buy from us instead of other suppliers?
We are a direct manufacturer specializing in 304/420/440 stainless steel ball bearings, deep groove ball bearings, shower pulleys, non-standard bearings, door and window rollers, miniature bearings, bathroom rollers, drawer rollers, and furniture rollers. We offer competitive prices and high quality.
5. What services do we provide?
Delivery terms accepted: FOB, CFR, CIF, EXW, DDP, DDU, and express delivery.
Currencies accepted: USD, EUR, and RMB.
Payment methods accepted: T/T, MoneyGram, credit card, PayPal, Western Union, cash, and escrow.
Speaking languages: English and Chinese
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