Cylindrical Roller Bearing NN3068 High Precision P4 Grade for Industrial Machinery

Product Specifications

Application Industries

Reduce Downtime with NN3068 High Precision Cylindrical Roller Bearing for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When precision components like machine tool spindles or printing presses malfunction, production halts, deadlines slip, and repair costs mount. Many face challenges with sourcing reliable high-precision bearings that balance performance, lead time, and customization options—especially for specialized applications requiring P4 grade accuracy.

NN3068 Cylindrical Roller Bearing: Engineered for Stable Industrial Performance

Our NN3068 High Precision P4 Grade Cylindrical Roller Bearing addresses these pain points with factory-direct manufacturing capabilities and strict quality control. As an integrated bearing manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets P4 precision standards (0.001mm runout tolerance) and Z2-Z4 noise grades, critical for high-speed industrial machinery. The separated inner and outer rings allow easy installation and maintenance, while bearing steel construction delivers durability for heavy radial load applications in machine tools and reducers.

Optimal Performance in Demanding Industrial Environments

This cylindrical roller bearing excels in high-load, high-precision industrial applications where rotational stability is non-negotiable. With dimensions 340*520*133 mm, it supports radial loads in machinery operating at moderate to high speeds, thanks to its open design and compatibility with oil, grease, or dry lubrication systems. The single-row structure balances load capacity with compact installation, making it ideal for tight spaces in printing equipment and CNC machine spindles—where vibration control (V1-V4 grades) directly impacts product quality.

Precision Engineering That Drives Machinery Reliability

The P4 precision rating of this NN3068 bearing ensures minimal radial and axial runout, critical for maintaining spindle accuracy in precision machining. Its separated design allows for easy mounting and dismounting, reducing maintenance time during equipment overhauls. The bearing steel material provides excellent wear resistance, extending service life in continuous-operation industrial settings. When paired with proper lubrication, the open seal type facilitates heat dissipation, preventing premature failure in high-temperature environments common in manufacturing facilities.

Why Compromising on Bearing Quality Costs More in the Long Run

Choosing low-quality bearings may seem cost-effective initially, but the hidden costs add up quickly. A single bearing failure in a production line can cause hours of downtime, costing thousands in lost output. Inferior materials lead to accelerated wear, requiring frequent replacements. Our high-precision cylindrical roller bearings, backed by a 12-month global warranty, reduce these risks by delivering consistent performance. We adhere to strict quality control processes in our R&D and QC lab, ensuring each bearing meets international standards—ultimately lowering your total cost of ownership through reduced maintenance and longer service intervals.

Your Reliable Partner for Industrial Bearing Solutions

Packaging & Shipping

• Carton and pallet packaging for secure transportation
• 3-5 days sample lead time for testing and validation
• 5-15 days bulk delivery for standard orders
• Flexible shipping options including express, air, and sea freight
• 1pc minimum order quantity for emergency replacements

Get Your NN3068 Bearing Shipped Fast

Don’t let equipment downtime impact your production schedule. Whether you need a single replacement bearing or a bulk order for your manufacturing line, we can deliver the NN3068 High Precision Cylindrical Roller Bearing quickly. Send us your specifications today, and our technical team will ensure the bearing matches your machinery requirements—helping you get back to full operation with minimal delay.

Frequently Asked Questions