Double Row Cylindrical Roller Bearing NUP311 EC M/C3 for Air Compressor High Precision 60-64 HRC

Product Specifications

Application Industries

Reduce Air Compressor Downtime with NUP311 EC M/C3 Double Row Cylindrical Roller Bearing

Air compressor operators know the cost of unexpected downtime—missed production targets, rushed maintenance, and lost revenue. Many face premature bearing failures due to substandard components or incorrect选型, especially in high-pressure applications where precision and durability are non-negotiable. Sourcing reliable bearings often means coordinating with multiple suppliers, leading to delays and inconsistent quality.

High Precision Bearing for Critical Air Compressor Performance

The NUP311 EC M/C3 Double Row Cylindrical Roller Bearing addresses these challenges head-on. As an official distributor of SKF & NTN, we ensure every bearing meets strict ISO 9001 quality standards, with 60-64 HRC hardness for extended service life in demanding air compressor environments. Our sufficient hot-selling stock means we can fulfill orders quickly, eliminating long lead times that disrupt your operations.

Optimal Performance in Air Compressor Applications

Designed for axial load handling in high-speed rotating equipment, this cylindrical roller bearing excels in air compressors where consistent pressure and reliability are critical. Its separated design allows for easy installation and maintenance, while the C3 clearance grade accommodates thermal expansion during continuous operation. Whether in industrial reciprocating compressors or rotary screw models, this bearing delivers stable performance under varying loads and temperatures.

Key Technical Features That Matter

The 60-64 HRC hardness rating ensures superior wear resistance, a critical factor for air compressor bearings subjected to constant friction. The brass or steel cage options provide strength and heat dissipation, maintaining structural integrity at high rotational speeds. Vibration grades Z1V1 to Z3V3 allow customization based on noise and precision requirements, while the range of clearance options (C0-C5) ensures proper fitment in different compressor designs. These technical details directly translate to reduced maintenance needs and longer intervals between replacements.

Why Genuine Bearings Lower Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but they often fail prematurely—costing far more in downtime and repairs. Our NUP311 EC M/C3 High Precision Bearing, sourced through official channels, provides predictable performance and meets original equipment specifications. By investing in genuine components, you avoid hidden costs like emergency maintenance, production losses, and potential damage to关联 compressor parts. The ISO 9001 quality control system further guarantees consistent performance batch after batch.

Our Commitment to Reliable Bearing Supply

Packaging & Shipping

• Carton pallet packaging for secure transportation
• 现货 available for 3-7 business day delivery
• Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
• Real-time tracking provided for all shipments
• Minimum order quantity of 1 piece, ideal for emergency repairs

Get Your Air Compressor Back to Peak Performance

Don’t let bearing issues slow down your operations. The NUP311 EC M/C3 Double Row Cylindrical Roller Bearing is ready to ship—send us your requirements today and minimize downtime. Whether you need a single replacement or bulk order, our team will confirm compatibility and provide a quote within one working day.

Frequently Asked Questions