High Precision R144 Deep Groove Ball Bearing for Dental Instrument 0.001Kg Weighted

Inch size ball bearing is one type of single row deep groove ball bearing. The bearings are made from a variety of materials, including chrome steel, stainless steel and ceramics.In addition to conventional bearings, we can also manufacture flanged bearings and custom non-standard bearings according to customer’s requirements.

1. Sealed form: open (no cover), metal shield with dust cover (ZZ), rubber seal (2RS).

2. Cage: steel cage, nylon cage

3. Quality Grade: ABEC-1,ABEC-3,ABEC-5/Z1V1,Z2V2,Z3V3

4. Type: 6000,6200,6300,6700,6800,6900,flanged series,miniature series,inch size series bearings.

5. Rotating speed: We can provide high speed inch size bearings with a large speed of 450,000 rpm. These high speed bearings are mainly used in the field of spindle and dental drill mobile phones. We also offer low speed bearings for the jewelry, toy, industrial robots and other industries.

The following is about Inch size ball bearing dimension and structure  related,which I hope can help you better understand.

Quality is the basis of products. We already established ISO9001:2015 quality management system,ISO14001:2015 environment management system and OHSAS 18001:2007 health and safety management.We own the consummate equipments,the advanced craft and high technology.Our testing center has hardness instruments,roundness machine, roughness machine,noise and BVT testing machine,clearance instrument,inner/outer/width diameter instrument.which can provide scientific results of finished products in order to re-engineer improvements in production process. We also conduct all raw material chemical composition test to ensure product lifespan expectation result.before sending each lot,we must test quality from freedom products or 100% inspection as per customer’s request.

Inch size ball bearings are suitable for gearboxes, instrumentation, motors, motorcycle,household appliances, body building apparatus, transportation vehicles, agricultural machinery,printer machine,massage armchair, air conditioner,construction machinery, roller skates, yo-yo, etc.

1.Reply within 24hours for your questions

2.Strictly quality control during production and inspect randomly before every delivery

3.Responsible dealing with each problem accured during our business

Q: Can I get your samples ? is it free or charged ?
A: Yes, we can offer some pieces of samples for free but the express cost is charged.

Q: How long is your delivery time?
A: Generally it is 5-7 days if the goods are in stock. or it is 15-30 days if the goods are out of stock.

Q: What is your terms of payment ?
A: Amount lower than 5000USD, 100% in advance. Amount more than 5000USD, 30% T/T in advance ,balance before shipment.

 Q: Will you check these products before shipment?

A: Yes, all the bearings will be strictly controlled before shipment.

 Q: What will you do if we are not satisfied with the product?

A: If have any abnormal, Please contact us at first time, we will immediately processing.