Needle Roller Bearing NA4914 NA4915 NA4916 70x100x30mm P0-P4 Precision for Industrial Machinery

Product Specifications

Application Industries

Prevent Equipment Downtime with NA4914 NA4915 NA4916 Needle Roller Bearings

Industrial machinery operators know the cost of unexpected bearing failure—hours of production lost, expensive repairs, and missed deadlines. When standard bearings can’t handle radial loads in tight spaces, finding a reliable precision solution becomes critical. Many buyers struggle with long lead times for custom sizes or inconsistent quality from uncertified suppliers, leaving production lines vulnerable.

Precision Needle Roller Bearings for Critical Industrial Applications

Our Needle Roller Bearing NA4914, NA4915, and NA4916 series (70x100x30mm) delivers the reliability industrial machinery demands. With P0-P4 precision ratings and C0-C4 clearance options, these bearings excel in high-load, limited-space applications like machine tool spindles and reducers. Backed by our ISO9001-certified production process and 12-month global warranty, we ensure consistent performance with 3–5 day sample lead times and bulk delivery within 5–15 days.

Engineered for Heavy-Duty Industrial Environments

Designed as radial bearings without inner or outer rings, the NA4914 series maximizes load capacity in compact installations. Constructed from high-grade bearing steel and lubricated with grease or oil, these closed-type bearings withstand the rigors of continuous operation in manufacturing, automotive, and agricultural machinery. Whether handling the radial forces of a printing press or the shock loads of a tractor transmission, proper bearing selection directly impacts equipment lifespan and operational efficiency.

Key Technical Features That Matter

Precision rating is a critical factor—P0 for general industrial use, P4 for high-precision applications like CNC machine spindles where minimal runout is essential. Clearance options (C0 standard, C3/C4 for thermal expansion) ensure optimal performance under varying operating temperatures. The closed design protects internal components from contaminants, reducing maintenance needs, while the bearing steel construction provides the durability required for heavy-load scenarios. These technical details translate to longer bearing life and reduced unplanned downtime.

Why Quality Bearings Lower Total Cost of Ownership

Choosing uncertified bearings may save upfront costs, but the hidden expenses add up. Early failure due to poor material quality or imprecise manufacturing leads to production halts, replacement labor, and potential damage to mating components. Our NA4914 series, produced in our ISO14001-certified facility with full R&D support, minimizes these risks. Each bearing undergoes rigorous QC testing, ensuring compliance with international standards and delivering consistent performance that lowers long-term operational costs.

Your Trusted Bearing Partner Since 2005

Packaging & Shipping

• Secure carton and pallet packaging to prevent damage during transit
• 3–7 days delivery for standard items, with expedited options available
• Global shipping via DHL, FedEx, UPS, air, or sea freight
• Real-time tracking provided for all orders
• 1pc minimum order quantity to support emergency repairs and small-batch needs

Get Your NA4914 Series Bearings Today

Don’t let bearing issues slow your production. Whether you need a single sample for testing or bulk orders for your assembly line, we’re ready to fulfill your request. Send us your bearing model, application details, and quantity, and our team will respond with a quote within 24 hours. The sooner you order, the sooner you can secure reliable rotation for your machinery.

Frequently Asked Questions