Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Tapered Roller Bearing
In Stock
High Precision SKF 3780/3720/Q Tapered Roller Bearing for CNC Machine Tools
ISO 9001 · DIN Certified
<p>Ensure peak CNC machine tool performance with the <strong>High Precision SKF 3780/3720/Q Tapered Roller Bearing</strong>—engineered to deliver exceptional rotational accuracy and load handling for critical machining operations. As an official SKF distributor, we guarantee genuine Swedish-manufactured bearings with P4/P2 precision grades (50.8*93.264*30.162 mm specification) and ISO 9001/DIN-compliant inspection, eliminating quality inconsistencies across suppliers.</p><ul><li>Single-row tapered design with separated inner/outer rings enables easy mounting and maintenance, reducing downtime for high-precision integrators</li><li>Available with iron, brass, or nylon cages to match specific lubrication (grease/oil) and vibration requirements (Z1V1 to Z3V3), ensuring tailored performance for your CNC application</li><li>Backed by our one-stop procurement process—consolidated documentation, premium shockproof logistics, and dedicated technical support streamline your supply chain</li></ul>
Technical Specifications
- Type
- Tapered Roller Bearing
- Precision Class
- P4 / P2
- Certification
- ISO 9001
- Radial Runout
- ≤ 1.5 μm
- Delivery
- 3-7 Business Days
Related Keywords
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 3780/3720/Q |
| Cage | Iron Cage/Brass Cage/Nylon Cage |
| Precision Rating | P0 P6 P5 P4 P2 |
| Rows Number | Single |
| Structure | Taper |
| Aligning | Non-Aligning Bearing |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Lubricate | Grease or Oil |
| Seals Type | Zz 2RS Open |
| Separated | Separated |
| Rolling Body | Roller Bearings |
| Load Direction | Radial Bearing |
| Outer Dimension | 35mm-180mm |
| Specification | 50.8*93.264*30.162 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482200000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Precision Spindles, Lathes, Milling Machines |
Reduce CNC Downtime with Genuine SKF 3780/3720/Q Tapered Roller Bearings
CNC machine operators know the frustration of unexpected spindle failure—hours of production lost, missed deadlines, and costly repairs. Many face the challenge of sourcing reliable high-precision bearings quickly, especially when dealing with multiple suppliers or questionable authenticity. The wrong bearing can lead to premature wear, poor machining accuracy, and even secondary damage to critical components.
Authentic SKF 3780/3720/Q Bearings, In Stock for Immediate Delivery
As an official SKF distributor, we eliminate these headaches by providing genuine High Precision SKF Tapered Roller Bearings directly from authorized European supply chains. Our sufficient P4/P2 grade stock means your 3780/3720/Q bearing is ready to ship, avoiding the delays of direct manufacturer minimum order quantities. Each unit undergoes precision testing compliant with ISO 9001 and DIN standards before leaving our facility, ensuring it meets the exacting requirements of CNC machine tool spindles.
Engineered for High-Precision CNC Operations
The SKF 3780/3720/Q Tapered Roller Bearing excels in the demanding environment of CNC machine tools, where radial and axial loads combine with high rotational speeds. Its separated design allows for easy mounting and adjustment, critical during maintenance or spindle rebuilds. The non-aligning structure ensures precise positioning under heavy loads, while vibration grades Z1V1 to Z3V3 accommodate varying speed requirements—from low-torque finishing operations to high-speed roughing passes.
Technical Details That Drive CNC Performance
Three key specifications make this bearing ideal for CNC applications. First, its precision ratings up to P2 minimize runout, directly improving machining accuracy and surface finish quality. Second, the choice of iron, brass, or nylon cages allows optimization for specific operating conditions—brass cages excel in high-temperature environments, while nylon options reduce noise and friction in high-speed scenarios. Third, the 50.8mm bore diameter and 93.264mm outer diameter provide a compact footprint without sacrificing load capacity, fitting seamlessly into most standard spindle designs.
Why Genuine SKF Bearings Lower Total Cost of Ownership
Counterfeit tapered roller bearings may offer initial cost savings, but they often fail prematurely under CNC operating conditions. A single spindle failure can cost thousands in downtime and repairs—easily outweighing any upfront savings. Genuine SKF 3780/3720/Q bearings deliver consistent performance over extended service intervals, reducing maintenance frequency and improving overall equipment effectiveness. Each bearing comes with full certification documents, ensuring compliance with industrial quality standards and simplifying audit processes for your facility.
Your Trusted Partner for Precision Bearing Solutions
With dual authorization for FAG and SKF, we bring 45+ countries of market experience directly to your operation. Our team of senior application engineers provides free technical consultation to confirm bearing suitability for your specific CNC model and application. We serve over 800 clients, including high-end CNC manufacturers and precision integrators, with a proven track record of reliable delivery and premium shockproof logistics. Every order includes complete documentation—from certificate of origin to material test reports—so you can verify authenticity and quality at every step.
Packaging & Shipping
- Original SKF packaging with protective inner carton and outer pallet reinforcement
- 3-7 business days delivery for in-stock items
- Global shipping via DHL, FedEx, UPS, air freight, or sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 unit, supporting emergency maintenance needs
Keep Your CNC Running—Order Today
Don’t let bearing issues disrupt your production schedule. The SKF 3780/3720/Q Tapered Roller Bearing is in stock and ready to ship. Whether you need a single unit for emergency repair or multiple bearings for scheduled maintenance, we ensure prompt delivery and reliable performance.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF distributor. Every bearing is sourced directly from SKF’s European supply chain and comes with complete traceability documentation.
Q: How do I confirm this bearing fits my CNC machine?
A: Provide your machine model or spindle specifications, and our senior application engineers will verify compatibility at no cost.
Q: What is the warranty policy?
A: All bearings come with SKF’s standard manufacturer warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, ideal for emergency maintenance or small-batch requirements.
Q: How quickly can you ship?
A: In-stock bearings ship within 3-7 business days via your preferred logistics method.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging with security features, laser-etched part numbers, and a certificate of authenticity that can be verified through SKF’s official channels.
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Submit your inquiry for High Precision SKF 3780/3720/Q Tapered Roller Bearing for CNC Machine Tools and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
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Full Certification Docs
ISO 9001, DIN 620, material certs available