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Ensure long-term stable precision performance for your CNC machine tools with our Cylindrical Roller Bearings P4 Precision—engineered to minimize equipment downtime and streamline your procurement process. These IATF16949 certified bearings deliver exceptional radial load capacity and high-speed stability, critical for maintaining tight tolerances in precision machining operations.
| Parameter | Details |
|---|---|
| Model NO. | K3X5X7TN, K3X5X9TN, K3X6X7TN |
| Structure | Cylindrical |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Service | OEM, ODM |
| Rolling Body | Roller Bearings |
| The Number of Rows | Single |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Radial Bearing |
| Separated | Separated |
| Outer Dimension | 35mm-180mm |
| Specification | 40*90*23mm |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482500090 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Precision Spindles, Machining Centers |
| Industrial Automation | Robotic Arms, Linear Motion Systems, Servo Motors |
| Semiconductor | Wafer Processing Equipment, Precision Positioning Stages |
| Medical Equipment | Imaging Systems, Surgical Tools, Diagnostic Machinery |
CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, missed deadlines, and costly repairs. Many face the challenge of sourcing reliable high-precision bearings with consistent quality, only to find long lead times or questionable authenticity that risks premature failure.
Our Cylindrical Roller Bearings with P4 precision grade are engineered to address these pain points. As an officially authorized distributor, we ensure 100% authentic products backed by IATF16949 certification, meeting the strict quality standards required for CNC machine tools. With sufficient ready stock of P4/P2 precision grade bearings, we enable rapid delivery to minimize your equipment downtime.
These bearings excel in high-precision industrial scenarios, particularly in CNC machine tool spindles where radial load capacity and rotational accuracy are critical. The separated structure allows for easy mounting and dismounting, simplifying maintenance procedures. With vibration levels up to Z3V3, they deliver smooth operation even at high speeds, ensuring consistent machining precision and surface finish quality.
The P4 precision rating ensures minimal radial runout and axial clearance, essential for maintaining tight tolerances in precision machining. Constructed from high-grade bearing steel, these cylindrical roller bearings offer exceptional durability and load-bearing capacity, supporting the heavy radial loads common in metalworking applications. The single-row design balances rigidity and flexibility, making them suitable for both horizontal and vertical spindle configurations. Vibration class Z3V3 reduces noise and heat generation, extending bearing life and improving machine tool stability during extended production runs.
Counterfeit bearings may offer lower upfront costs but often result in hidden expenses: premature failure leading to unplanned downtime, increased maintenance costs, and potential damage to expensive CNC components. Our IATF16949 certified bearings undergo standardized precision testing procedures with full-process quality traceability, ensuring each unit meets the same high standards. This commitment to quality reduces the total cost of ownership by minimizing replacement frequency and maximizing machine uptime.
With official brand authorization, every bearing can be traced to its original manufacturing source, providing complete transparency and peace of mind. Our senior application engineering team brings rich on-site project experience, offering professional support from bearing selection to working condition matching. We serve over 800 clients across more than 45 countries, with core markets in advanced manufacturing hubs like Germany, Switzerland, Italy, the United States, and Japan. Our precision-centric quality inspection system complies with ISO 9001 and DIN standards, enforcing strict controls from incoming material verification to finished product delivery.
Don’t let bearing issues slow down your production. Send us your required model numbers, application details, and quantity, and our team will provide cross-brand model matching, technical verification, and a unified quotation within one working day. With our ready stock and streamlined procurement process, you can get the precision bearings your CNC machines need to stay operational.
Q: Are these bearings genuine and authentic?
A: Yes, we are an officially authorized distributor with 100% authentic product guarantee. Each bearing can be traced to its original manufacturing source, and we provide full authorization certificates upon request.
Q: How do I confirm the right bearing model for my CNC machine?
A: Our senior application engineering team can assist with bearing selection. Provide your machine model, spindle specifications, or existing bearing designation, and we’ll verify the correct match based on your working conditions.
Q: What is your warranty policy for these bearings?
A: We stand behind the quality of our products. All bearings are covered by the manufacturer’s warranty against manufacturing defects, with full after-sales support for any quality-related issues.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency maintenance needs and small-batch procurement requirements.
Q: How long does shipping take?
A: For in-stock items, we arrange shipment within 3-7 working days. We offer DHL, FedEx, UPS, and other logistics options to meet your delivery timeline requirements.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Each bearing comes with complete certification documentation. You can verify authenticity through the manufacturer’s official channels using the provided batch information and serial numbers.
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