Cylindrical Roller Bearing NJ321 NJ326 NJ328 NJ338 NJ340EM for Industrial Machinery P0-P4 Precision

Product Specifications

Application Industries

Reduce Downtime with Precision Cylindrical Roller Bearings NJ321-NJ340EM for Industrial Machinery

Industrial machinery operators know the cost of unexpected downtime—hours lost to bearing failures, production delays, and emergency repairs. When low-quality bearings fail prematurely, the ripple effect hits your bottom line hard. Sourcing reliable, high-precision bearings with flexible ordering options shouldn’t add to your stress.

Engineered for Industrial Reliability: Cylindrical Roller Bearings You Can Trust

Our Cylindrical Roller Bearings, including models NJ321, NJ326, NJ328, NJ338, and NJ340EM, are designed to solve these challenges. With P0-P4 precision ratings and radial load capacity, they deliver consistent performance in machine tools, reducers, and printing equipment. Backed by our ISO9001-certified manufacturing process, each bearing undergoes strict quality control to ensure durability. We offer 1pc MOQ for standard items and 3–5 day sample lead times, so you can get the parts you need without excessive inventory.

Optimal Performance in Demanding Industrial Conditions

Cylindrical Roller Bearings excel in applications requiring high radial load support and moderate speeds—ideal for industrial machinery like CNC lathes, conveyor systems, and gearboxes. The separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance. Whether your equipment operates in high-temperature environments or handles heavy loads, these bearings provide the stability needed to keep production running smoothly.

Key Technical Features That Drive Performance

Precision rating is critical for minimizing vibration and extending equipment life. Our P0-P4 options ensure tight tolerances, with P4 bearings offering superior accuracy for high-speed applications. The use of high-grade bearing steel enhances wear resistance, while the single-row design optimizes load distribution. Open seals allow for flexible lubrication—oil, grease, or dry operation—adapting to your specific machinery requirements. The large outer dimension (200-430mm) makes these bearings suitable for heavy-duty industrial equipment where robust performance is non-negotiable.

Why Authentic Bearings Matter for Your Bottom Line

Choosing genuine Cylindrical Roller Bearings over counterfeit alternatives reduces long-term costs. Fake bearings often fail within months, leading to repeated replacements, unplanned downtime, and potential damage to expensive machinery components. Our bearings come with a 12-month global warranty, ensuring you’re covered if issues arise. By investing in quality, you lower total cost of ownership and protect your production schedule from avoidable disruptions.

Your Reliable Bearing Partner Since 2005

Packaging & Shipping

• Secure carton and pallet packaging to prevent damage during transit
• Sample lead time: 3–5 days for standard items
• Bulk delivery: 5–15 days after order confirmation
• Global shipping via trusted carriers; buyer covers freight for samples
• Flexible ordering: 1pc MOQ for standard bearings, ideal for emergency repairs

Get Your Industrial Bearings Delivered Fast

Don’t let bearing issues slow down your production. Send us your required model (NJ321, NJ326, NJ328, NJ338, NJ340EM, or other specifications), application details, and quantity today. Our team will respond with a quote within 24 hours, and we’ll get your order shipped quickly to minimize downtime.

Frequently Asked Questions