GQZ NJ2311-E-M1-C3 Single Row Cylindrical Roller Bearing 55×120×43mm E Optimized Brass Cage C3 Clearance Bearing

The NJ2311-E-M1-C3 single row cylindrical roller bearing is designed for heavy-duty transmission equipment, featuring E upgraded internal geometry, solid machined M1 brass cage and C3 enlarged radial clearance.

It is widely used in heavy gearboxes and mining machinery that require high radial load capacity and compensation for shaft thermal expansion.

• E optimized roller & raceway structure greatly improves radial load capacity
• M1 solid brass cage maintains stable performance under heavy load and high temperature
• C3 enlarged clearance offsets thermal expansion for high-temperature continuous operation
• NJ semi-locating structure bears radial load plus limited one-way axial positioning force
• Separable inner ring for easy installation, disassembly and maintenance
• Custom design available (special grease, surface anti-rust, OEM laser marking)

This bearing is widely used in:

• Heavy-duty industrial gearboxes and speed reducers
• Mining crushers, vibrating screens and mine conveyor systems
• Metallurgical rolling equipment and cement processing machinery
• Large industrial fans, heavy compressors and construction transmission parts

• 25+ years experience in industrial bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & custom bearing projects
• Strict quality inspection before shipment
• Fast response within 24 hours
• Stable supply for long-term cooperation

• Raw material hardness inspection
• Precision grinding & superfinishing machining
• Heat treatment metallurgy control
• Clearance, heavy load and rotation smoothness testing
• Final dimensional & appearance inspection before delivery

Looking for a reliable bearing supplier?

• Fast quotation within 24 hours
• Technical support from engineers
• Custom solution suggestions
• Competitive factory price