Double Row Cylindrical Roller Bearing NUP311/NUP312 with C3 Clearance for Air Compressor

Product Specifications

Application Suitability

Need Reliable Double Row Cylindrical Roller Bearings for Air Compressors? NUP311/NUP312 with C3 Clearance

Air compressor downtime due to bearing failure can disrupt production schedules and increase maintenance costs. Many buyers struggle with finding bearings that match the exact clearance requirements or dealing with suppliers who can't verify material quality. When precision and durability matter, choosing the right bearing becomes critical for long-term equipment performance.

Engineered for Air Compressor Performance

This Double Row Cylindrical Roller Bearing, available in NUP311 and NUP312 models with C3 clearance, addresses common air compressor challenges. With ISO 9001 certified production processes, the bearing ensures consistent quality through raw material inspection and finished product testing. Its separated design allows for easy installation and maintenance, while the medium and large outer dimensions (120-190mm) make it suitable for industrial-grade air compressor applications.

Optimal Performance in Compressor Environments

Operating in air compressors requires bearings that handle axial loads and maintain precision under varying temperatures. The C3 clearance specification provides the necessary internal space to accommodate thermal expansion during operation, reducing the risk of overheating and premature wear. The 60-64 HRC hardness rating ensures resistance to deformation under heavy loads, making it ideal for continuous-duty compressor systems.

Key Engineering Features for Reliability

The bearing's bearing steel construction offers a balance of strength and toughness, essential for withstanding the cyclic stresses in air compressor operation. Brass and steel cage options provide flexibility based on application requirements—brass cages offer better heat dissipation for high-temperature environments, while steel cages provide increased durability for heavy load conditions. The Z1V1 to Z3V3 vibration classes allow selection based on noise and precision needs, ensuring compatibility with different compressor designs.

Total Cost of Ownership: Why Quality Matters

Choosing a bearing with proper clearance and material hardness directly impacts equipment uptime. A bearing with incorrect clearance can lead to excessive vibration, increased energy consumption, and early failure—costing more in replacement parts and downtime than investing in a quality component upfront. This Cylindrical Roller Bearing for Air Compressors is designed to meet industry standards for load capacity and fatigue life, helping reduce the total cost of ownership by minimizing maintenance intervals and extending service life.

Quality You Can Rely On

Packaging & Shipping

• Packaged in carton pallets to ensure safe transportation
• Stock availability supports prompt order fulfillment for urgent needs
• Flexible shipping options including express courier, air freight, and sea freight
• Low minimum order quantity available to accommodate small-scale requirements

Get Your Air Compressor Bearing Quote Today

Whether you need NUP311, NUP312, or other Double Row Cylindrical Roller Bearing models, provide us with your required specifications, quantity, and delivery location. Our team will promptly confirm availability and provide a competitive quote. The sooner you specify your needs, the faster we can arrange shipment to keep your operations running smoothly.

Frequently Asked Questions