P4 Precision SUS440 Dental Handpiece Mini Bearing 3.175x6.35x2.38
P4 precision SUS440 stainless steel mini bearing for dental handpieces. Size 3.175x6.35x2.38, speed up to 400,000 rpm, ISO9001 certified.
smr144ztlp4-w2-38-dental-handpiece-mini-bearing
P4 Precision SUS440 Dental Handpiece Mini Bearing 3.175x6.35x2.38
This miniature bearing, model SMR144ZTLP4 W2.38, is engineered for high-speed dental handpiece applications. With a compact size of 3.175 x 6.35 x 2.38, it delivers reliable performance in demanding medical environments. The bearing is made from SUS440 stainless steel and meets P4 precision class, ensuring smooth rotation and extended equipment life.
Key Selling Points
- P4 precision grade for high-accuracy rotation, minimizing vibration and noise in dental handpieces.
- SUS440 stainless steel material provides corrosion resistance and durability, suitable for medical device environments.
- Ultra-high speed capability of 350,000–400,000 rpm enables efficient dental grinding procedures.
- Wide operating temperature range from -50°C to 160°C ensures stable performance under varying conditions.
- ISO9001 quality management system compliance, with 100% factory inspection on every unit.
- Proven application in dental handpieces with a case study involving 80,000 units and 500 hours of stable operation.
Technical Specifications
| Model | SMR144ZTLP4 W2.38 |
| Type | Miniature bearing |
| Size | 3.175 x 6.35 x 2.38 |
| Precision | P4 |
| Limiting Speed | 350,000–400,000 rpm |
| Operating Temperature | -50°C ~ 160°C |
| Material | SUS440 |
| Applicable Industry | Dental handpiece |
Models and Options
The listed model is SMR144ZTLP4 W2.38. This is a standard miniature bearing configured for high-speed dental handpiece use. For other specifications, please contact our sales team with your custom requirements.
Materials and Structure
This bearing is manufactured from SUS440, a martensitic stainless steel known for its hardness and corrosion resistance. The material choice supports the bearing's ability to operate in clean, sterile medical environments. The design follows precision bearing manufacturing processes, with strict quality control in accordance with ISO9001 standards.
Applications
The primary application is dental handpieces, where high rotational speed and precision are critical for grinding, cutting, and polishing procedures. It is also suitable for other high-speed medical devices and micro-motors requiring compact, reliable bearings. The bearing operates under intermittent high-load conditions in a clean medical environment.
Customization
Our factory produces high-precision standard bearings with inner hole diameters ranging from 2 mm to 8 mm, in precision grades from P6 to P4. We can accommodate custom sizes and specifications based on your drawings or samples. Contact us to discuss your bearing requirements.
Case Study
A medical device manufacturer in China used 80,000 units of this bearing in dental handpieces. The bearings operated for 500 hours with stable high-speed performance, contributing to extended equipment lifespan. The client noted the ultra-high speed, P4 precision, and medical-grade reliability as key benefits.
FAQ
Q: What is the minimum order quantity?
A: The MOQ is 50 units.
Q: What precision grade is this bearing?
A: The precision grade is P4.
Q: What is the maximum operating speed?
A: The limiting speed is 350,000–400,000 rpm.
Q: What material is used?
A: The bearing is made from SUS440 stainless steel.
Q: What is the operating temperature range?
A: It operates from -50°C to 160°C.
Q: Is this bearing suitable for dental handpieces?
A: Yes, it is specifically designed and applied in dental handpiece applications.
Q: What certifications does your company have?
A: We are ISO9001 certified, with certificate number 117 24 QU 0108-07 R1S, issued by Shanghai Ingeer Certification Assessment Co., Ltd.
Q: What are the payment and delivery terms?
A: Payment is required before shipment, and delivery is FOB. All units undergo 100% factory inspection.
Inquiry Information
For purchasing or custom bearing inquiries, please contact us. Our team will respond promptly with technical support and pricing. We offer FOB delivery, payment before shipment, and 100% factory inspection on every order.
Image Filename and Alt Suggestions
- File 1:
smr144ztlp4-w2-38-p4-precision.jpg — Alt: SMR144ZTLP4 W2.38 dental handpiece bearing, P4 precision SUS440
- File 2:
smr144ztlp4-w2-38-close-up.jpg — Alt: Close-up of SMR144ZTLP4 W2.38 miniature bearing for dental handpiece
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