High Speed Dental Bearings SR144 3.175x6.35x2.38mm Ceramic Single Row No Seal Precision Rating P0-P6 For Dental Handpiece
Price:
58
MOQ:
5
Delivery Time:
Negotiable
Product Description

SR144 Dental Bearing: High-Precision Miniature Bearing for Dental Handpieces
Product Overview
The SR144 is a high-performance miniature radial ball bearing, specifically engineered and optimized for the demanding requirements of high-speed dental handpieces. As a core component in dental rotary instruments, this bearing delivers exceptional rotational accuracy, ultra-low friction, and long service life, ensuring smooth, reliable operation for dental professionals during clinical procedures. Manufactured to strict aerospace-grade precision standards, the SR144 dental bearing is the ideal choice for premium dental handpiece manufacturers and repair service providers worldwide.

 Product Parameters:
| Bearing Type | SR144 |
| Inner Diameter (d) | 3.175 mm |
| Outer Diameter (D) | 6.35 mm |
| Width/Thickness (B) | 2.38 mm |
| Ball Material | Ceramic |
| Cage Material | Torlon |
| Race Material | High-Carbon Chromium Bearing Steel (AISI 52100) / 440C Stainless Steel (corrosion-resistant option) |
| Closure Type | Double Rubber Sealed (2RS) / Open (for custom lubrication) |
| Dynamic Load Rating (Cr) | ~460 N |
| Static Load Rating (Cor) | ~160 N |
| Maximum Speed (Grease Lubricated) | Up to 500,000 RPM (with ceramic ball upgrade) |





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Q: Delivery and Carriage
There are three ways to deliver the qoods.One is Exoress ,such as DHL, UPS, TNT and Fedex.The charg of them is from Us$ 10.0/kG to Us$ 20.0/KG if We pay the freightin china. It is most convenient because of door to dorThis method is suitable to a few goods such as less than 20KGAnother is air parcel, you should go to airot to takethe qoods yousewes, The dharge is cheaper than expres, but you should pay the charges of customs dearance and we should paythe
charoes of dearance of goods, these charges are fixed no matter what weight or volume it is, This method is suitable to the gods which are more than 100KG.The rest one is ocean shipping, it is rather cheap, and it will take about 15-30 days to the pot if you are in the North America or the Europe.In general, we deliver the samples by Express, such as DHL, UPS, TNT and Fedex, and ship the goods of order by ocean shipping.
There are three ways to deliver the qoods.One is Exoress ,such as DHL, UPS, TNT and Fedex.The charg of them is from Us$ 10.0/kG to Us$ 20.0/KG if We pay the freightin china. It is most convenient because of door to dorThis method is suitable to a few goods such as less than 20KGAnother is air parcel, you should go to airot to takethe qoods yousewes, The dharge is cheaper than expres, but you should pay the charges of customs dearance and we should paythe
charoes of dearance of goods, these charges are fixed no matter what weight or volume it is, This method is suitable to the gods which are more than 100KG.The rest one is ocean shipping, it is rather cheap, and it will take about 15-30 days to the pot if you are in the North America or the Europe.In general, we deliver the samples by Express, such as DHL, UPS, TNT and Fedex, and ship the goods of order by ocean shipping.
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Q:Payment
By T/T: 30% deposit, 70% balance before the shipment.
By T/T: 30% deposit, 70% balance before the shipment.
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Q: Claims and returns
We usually confirm with you before you place an order. If any defective products are received, you may return them, and we will bear the freight costs for these items. Alternatively, you may request us to replace the defective products promptly, and we will cover all associated shipping fees in full.We also provide a lifespan guarantee for our products. Typically, we offer a minimum of 6 months of lifespan warranty.
We usually confirm with you before you place an order. If any defective products are received, you may return them, and we will bear the freight costs for these items. Alternatively, you may request us to replace the defective products promptly, and we will cover all associated shipping fees in full.We also provide a lifespan guarantee for our products. Typically, we offer a minimum of 6 months of lifespan warranty.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Foshan Suwei Bearing Trading Co., Ltd
Location
Room 609, Building 1, South China Medical City, Airport Road, Foshan, Guangdong.
Contact Person
Kaphy Chan