NU420 NU421 NU422 Cylindrical Roller Bearings for Industrial Machinery, P0-P4 Precision

Product Specifications

Application Industries

Eliminate Downtime with Precision NU420 NU421 NU422 Cylindrical Roller Bearings for Industrial Machinery

Equipment failure due to bearing issues costs manufacturers thousands in lost production each year. When bearings lack precision, machinery vibrates excessively, leading to premature wear and unexpected shutdowns. Sourcing reliable high-precision bearings often means navigating minimum order quantities that delay urgent repairs, or compromising on quality from uncertified suppliers.

Engineered for Industrial Reliability: NU420 NU421 NU422 Cylindrical Roller Bearings

Our Cylindrical Roller Bearings address these challenges with P0-P4 precision ratings and separated inner/outer rings for easy installation and maintenance. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality across every unit—critical for machine tools, reducers, and printing equipment where even minor deviations affect performance. With 1pc MOQ for standard items and 3-5 day sample lead times, we support both emergency repairs and bulk production needs.

Optimal Performance in Heavy-Duty Industrial Environments

Designed as radial bearings with non-aligning structure, NU420, NU421, and NU422 models excel in applications with high radial loads and moderate speeds. Their bearing steel construction delivers exceptional durability, making them ideal for continuous operation in manufacturing plants, agricultural machinery, and construction equipment. Whether lubricated with grease or oil, these bearings maintain stability under varying temperatures and load conditions, ensuring long service life in demanding industrial settings.

Precision Parameters That Drive Machine Performance

The technical specifications of these Cylindrical Roller Bearings directly impact industrial machinery efficiency. Precision ratings from P0 (standard) to P4 (high precision) control dimensional accuracy—P4 grade minimizes runout, critical for CNC machine spindles requiring tight tolerances. Vibration classes Z1V1 to Z3V3 reduce noise and energy loss, enhancing operator comfort and lowering power consumption. The separated design allows for easy mounting and dismounting, reducing maintenance time and keeping production lines running longer.

Why Compromising on Bearing Quality Costs More in the Long Run

Low-quality bearings may offer lower upfront prices, but they often fail prematurely, causing unplanned downtime. A single hour of production stoppage in a manufacturing plant can exceed the cost of premium bearings. Our products come with a 12-month global warranty, covering defects and ensuring replacement or refund if issues arise. By choosing bearings with verified precision and material quality, you avoid hidden costs like emergency repairs, replacement parts, and lost output—ultimately lowering your total cost of ownership.

Your Trusted Partner for Industrial Bearings Since 2005

Packaging & Shipping

• Carton and pallet packaging for secure transportation
• 3-5 days sample lead time for testing and verification
• 5-15 days bulk delivery to meet production schedules
• Multiple logistics options including express, air, and sea freight
• 1pc MOQ for standard items, supporting small-batch and emergency orders

Get Your NU420 NU421 NU422 Bearings Delivered Fast

Don’t let bearing issues slow down your operations. Whether you need a single replacement or bulk order, we’re ready to fulfill your request. Send us your bearing model, quantity, and application details, and our team will provide a quote within 24 hours. With free samples available (buyer covers freight), you can test our bearings before committing to a full order.

Frequently Asked Questions