21304-21308 Spherical Roller Bearing High Capacity Low Friction

Product Specifications

Application Suitability

Need Reliable Spherical Roller Bearings? Here’s What Prevents Equipment Downtime

Many buyers face the frustration of bearings failing prematurely due to mismatched dimensions or poor material quality. When a 21304-21308 series spherical roller bearing isn’t precision-engineered, it can cause excessive vibration in hydraulic cylinders or lead to costly replacements in construction machinery.

21304-21308 Spherical Roller Bearings: Built for Heavy Loads and Low Friction

Our high-capacity spherical roller bearings address these challenges with ISO 9001-certified manufacturing processes and strict quality control. Designed for radial loads in demanding applications like engineering hydraulic cylinders and automation equipment, these bearings feature low friction properties that reduce energy consumption while handling the rigors of forging machines and construction machinery.

Optimal Performance in Dynamic Operating Conditions

This bearing series excels in applications requiring angular misalignment compensation, such as conveyor systems and automobile shock absorbers. With a precision rating range from P0 to P2, it maintains stability under varying loads and speeds, making it suitable for both static and dynamic operating environments common in water conservancy machinery.

Key Engineering Features for Long Service Life

The bearing steel construction ensures high surface hardness and wear resistance, critical for withstanding the abrasive conditions of mining and construction equipment. Its whole outer ring design provides structural integrity during heavy radial loading, while the non self-lubricating design allows flexibility in lubrication selection—use grease for low-maintenance applications or oil for high-speed operations. The 20*54*16mm dimension specification ensures compatibility with standard mounting configurations, simplifying replacement and reducing downtime.

Why Proper Bearing Selection Reduces Total Cost of Ownership

Choosing the right spherical roller bearing directly impacts equipment reliability and maintenance costs. A bearing with insufficient load capacity or improper precision class can lead to premature failure, resulting in unplanned downtime and replacement expenses. Our 21304-21308 series is engineered to meet the demands of multiple industries, from hydraulic systems to construction machinery, helping you avoid the hidden costs of frequent replacements and repairs.

Quality You Can Trust: From Raw Material to Delivery

Packaging & Shipping

• Packaged in cartons with pallet options for bulk orders
• Available from stock for prompt shipment
• Flexible delivery options: express, road, train, air, or sea freight
• Low minimum order quantities to support both small and large scale requirements

Get Your Spherical Roller Bearing Quote Today

Whether you need the 21304-21308 series or other bearing types, we provide comprehensive sourcing solutions. Contact us with your specific model, dimensions, and quantity requirements, and our technical team will assist in confirming compatibility and delivering competitive pricing.

Frequently Asked Questions