Wholesale NU310 Cylindrical Roller Bearing 50x110x27mm Open NU Type Roller Bearing W33 Lubrication Option Available GQZ

• NU310 is an open single-row cylindrical roller bearing sized 50×110×27mm with NU structural design. It has a single rib on the outer ring and rib-free separable inner ring, which greatly simplifies installation and maintenance. It delivers strong radial load capacity and stable medium-speed rotation. Optional W33 lubrication groove, brass cage and C3 enlarged clearance are available to match diverse heavy machinery working conditions. It is widely applied to gearboxes, mining conveyors and construction equipment.

*Send inquiry to get complete technical datasheet and factory price of NU310 roller bearing.

• NU separable inner ring design, convenient for shaft mounting and disassembly
• High radial load capacity, compact size for medium heavy-duty transmission
• Open structure compatible with centralized oil supply lubrication system
• Standard C0 clearance; C3/C4 enlarged clearance for high-temperature & interference fit scenarios
• Stamped steel cage as standard, brass cage optional for continuous high-speed operation
• W33 customized version with outer ring annular oil groove and lubrication holes

• Industrial gearboxes and reduction devices
• Construction engineering machinery
• Mining conveyor rollers and transport equipment
• Agricultural processing machinery
• Steel plant light-duty transmission parts
• General heavy rotary industrial equipment

• High-purity GCr15 bearing steel with strict heat treatment for stable hardness and excellent wear resistance.
• Precision super-grinding for rollers and raceways, strict dimensional inspection to guarantee smooth rotation and long service life.
• Full optional configurations: brass cage, W33 lubrication groove, multiple clearance and precision grades.
• Abundant stock for NU series cylindrical roller bearings, support sample testing and bulk fast delivery.
• Professional technical matching consultation, OEM laser marking and customized packaging service.

*Contact our engineer to select cage type, clearance and W33 variant for your machinery.

*Large stock for NU series cylindrical roller bearings, support fast bulk order delivery.