Na4844A Needle Roller Bearing for Automobile Gearbox Machine Tool, P0-P4 Precision

Product Specifications

Application Industries

Na4844A Needle Roller Bearing: Stop Gearbox Failures with Precision Engineering

Gearbox downtime costs manufacturers thousands in lost production. Low-quality bearings often fail prematurely under radial loads, causing unexpected shutdowns. Many suppliers enforce high minimum orders, leaving you stranded with urgent repairs. Getting the right precision bearing for your machine tool shouldn’t mean compromising on delivery or quality.

Engineered for Automobile Gearboxes and Machine Tools

The Na4844A Needle Roller Bearing delivers reliable performance where it matters most. With P0-P4 precision ratings, it meets the strict demands of automobile gearboxes and machine tools. Our integrated manufacturing and export capabilities ensure consistent quality, backed by ISO9001 certification. Whether you need standard specifications or custom solutions, we support orders from 1 piece, with samples available in 3–5 days.

Optimized for Radial Load Applications

Designed as a radial bearing with a single row of rollers, the Na4844A excels in high-load environments. Its separated structure allows for easy installation and maintenance, critical in tight gearbox assemblies. The open design accommodates various lubrication methods—oil, grease, or dry running—adapting to your specific operating conditions. At 17*40*16mm, it fits seamlessly into compact machinery without sacrificing durability.

Precision That Drives Performance

Precision rating directly impacts operational efficiency. The Na4844A offers P0-P4 grades, with P4 ensuring minimal radial runout for high-speed machine tools. Bearing steel construction provides exceptional wear resistance, extending service life under continuous use. As a non-aligning bearing, it maintains stability in applications with minimal shaft deflection, reducing vibration and noise in gearbox operations. These technical details translate to smoother performance and fewer replacements.

Why Compromise on Bearing Quality?

Choosing inferior bearings may save upfront costs but leads to higher long-term expenses. Early failures cause unplanned downtime, repair labor, and potential damage to adjacent components. Our Na4844A Needle Roller Bearing undergoes rigorous quality control in our in-house lab, ensuring compliance with international standards. With a 12-month global warranty, we stand behind every product, offering defect replacement or refund for manufacturing issues. Invest in reliability—reduce total cost of ownership with bearings built to last.

Your Trusted Bearing Partner Since 2005

Packaging & Shipping

• Carton and pallet packaging for secure transport
• 3–5 days sample lead time for testing and validation
• 5–15 days bulk delivery for standard orders
• Multiple payment options: T/T, credit card, Alibaba trade assurance
• 1pc MOQ for standard items, ideal for emergency repairs

Get Your Na4844A Bearing Today

Don’t let equipment downtime disrupt your production schedule. The Na4844A Needle Roller Bearing is ready to ship—send your inquiry with quantity and application details for a prompt quote. Our team ensures fast response and clear communication, so you can get back to what matters most: keeping your machinery running.

Frequently Asked Questions