Needle Bearing K3X5X9tn K3X6X7tn K4X7X7tn for Industrial Machinery with ISO9001:2008

Product Specifications

Application Industries

Prevent Equipment Downtime with Precision K3X5X9TN, K3X6X7TN, K4X7X7TN Needle Bearings

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When low-quality bearings wear prematurely, production lines halt, repair costs mount, and deadlines slip. Sourcing reliable needle bearings that meet exact specifications often means navigating minimum order quantities that don’t fit maintenance needs or waiting weeks for custom parts.

ISO-Certified Needle Bearings for Immediate and Custom Orders

Jinan Saifan Bearing addresses these challenges with our K3X5X9TN, K3X6X7TN, and K4X7X7TN Industrial Needle Bearings. As an integrated manufacturer with ISO9001:2008 certification, we ensure consistent quality across every unit. Our flexible ordering system supports 1pc MOQ for standard items, making emergency repairs feasible, while OEM/ODM services cater to specialized machinery requirements. Whether you need a single replacement bearing or a bulk order for production, we deliver within 3–5 days for samples and 5–15 days for bulk quantities.

Engineered for High-Precision Industrial Applications

These Alloy Open Needle Bearings excel in applications requiring compact design and high load capacity. Ideal for machine tool spindles, printing press rollers, and reducer assemblies, they operate efficiently under radial loads with minimal friction. The open design allows for easy lubrication maintenance, ensuring optimal performance in both grease and oil-lubricated systems. When precision matters—whether in high-speed rotation or heavy-duty industrial environments—our needle bearings deliver the reliability your equipment demands.

Key Technical Features Driving Performance

The performance of these needle bearings stems from critical design elements. The alloy construction provides exceptional durability, resisting wear even in continuous operation. With a size specification of 4*4*7mm and compatibility with LMEK…UU series (8-60mm), they fit seamlessly into standard industrial machinery configurations. The open type design facilitates heat dissipation, making them suitable for applications where operating temperatures vary. Each bearing undergoes rigorous quality control in our dedicated QC lab, ensuring compliance with P0-P4 precision standards and Z2-Z4 noise grades—essential for maintaining quiet, efficient machinery operation.

Why Authentic Bearings Reduce Long-Term Costs

Choosing genuine ISO9001 Needle Bearings for Machinery over counterfeit alternatives eliminates hidden expenses. Counterfeit bearings often fail prematurely, leading to unplanned downtime, increased labor costs for repairs, and potential damage to adjacent components. Our bearings come with a 12-month global warranty, covering manufacturing defects with free replacement or refund. By investing in reliable components, you reduce total cost of ownership through extended service life, fewer replacements, and consistent machine performance—critical for maintaining competitive production schedules.

Our Commitment to Reliable Supply

Packaging & Shipping

• Secure carton and pallet packaging to prevent damage during transit
• 3–5 days sample lead time for urgent evaluation
• 5–15 days bulk delivery to meet production deadlines
• Multiple logistics options including express, air, and sea freight
• 1pc MOQ available for emergency maintenance needs

Get the Right Bearings When You Need Them

Don’t let bearing issues slow your operations. Whether you’re repairing a machine tool or building new equipment, our K3X5X9TN, K3X6X7TN, and K4X7X7TN needle bearings are ready to ship. Send us your requirements today, and our team will confirm specifications and provide a quote within 24 hours—keeping your production on track.

Frequently Asked Questions