Double Row Cylindrical Roller Bearing NN3038 K/SP W33 for CNC Machine Tools High Precision

Product Specifications

Application Industries

Prevent CNC Downtime with Precision NN3038 K/SP W33 Double Row Cylindrical Roller Bearings

CNC machine operators know the cost of unexpected spindle failure—unplanned downtime can halt production for days, eroding profit margins and delaying client deliveries. Many face challenges sourcing genuine high-precision bearings with consistent quality, especially when dealing with multiple suppliers for different components. The wrong bearing choice, whether due to imprecise specifications or counterfeit products, often leads to premature wear, increased vibration, and costly repairs.

High Precision Bearings for CNC: In Stock and Fully Verified

Our NN3038 K/SP W33 Double Row Cylindrical Roller Bearing addresses these challenges directly. As an officially authorized distributor, we guarantee 100% authentic products with complete traceability. With sufficient ready stock of P4/P2 precision grade bearings, we ensure rapid delivery to minimize your equipment downtime. Each bearing undergoes standardized precision testing before shipment, ensuring it meets the strict quality requirements of CNC machine tool applications.

Optimized Performance in High-Precision Machining Environments

This Double Row Cylindrical Roller Bearing excels in the demanding conditions of CNC machine tools, where high rotational speeds and radial load capacity are critical. Its separated design allows for easy mounting and dismounting, facilitating quick maintenance. The SP grade precision ensures minimal runout and vibration, which is essential for achieving tight tolerances in precision machining operations. Whether used in horizontal or vertical spindles, this bearing delivers stable performance even under continuous operation.

Key Technical Features That Ensure Reliability

The bearing's 60-64 HRC hardness provides exceptional wear resistance, extending service life in high-stress applications. Available clearance grades (C0, C2, C3, C4, C5) allow customization to specific operating conditions—tighter clearances for precision applications or greater clearances for thermal expansion management. The brass or steel cage options offer durability and stability, ensuring proper roller guidance at high speeds. Vibration levels (Z1V1, Z2V2, Z3V3) are carefully controlled to meet the stringent noise and precision requirements of CNC machining.

Why Genuine Bearings Matter for Your Bottom Line

Counterfeit bearings may offer lower upfront costs, but they often fail prematurely, leading to unplanned downtime, increased maintenance expenses, and potential damage to expensive CNC components. Our High Precision Cylindrical Roller Bearing for CNC Machine Tools adheres to ISO 9001 and DIN standards, ensuring consistent quality and performance. By investing in genuine bearings, you reduce the total cost of ownership through longer service intervals, fewer replacements, and improved machine reliability.

Our Commitment to Your Production Success

Packaging & Shipping

• Carton pallet packaging with protective measures to prevent damage during transit
• Priority processing available for urgent maintenance needs
• Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time logistics tracking for full visibility of your shipment
• Minimum order quantity of 1 piece to support both scheduled maintenance and emergency repairs

Get Your NN3038 K/SP W33 Bearing Shipped Today

Don’t let bearing issues disrupt your CNC production schedule. Send us your bearing requirements, including the NN3038 K/SP W33 model and application details, and our team will provide a unified quotation within one working day. With our ready stock and efficient logistics, you can have your bearing delivered quickly to get your machines back to optimal performance.

Frequently Asked Questions