Wholesale NU2308 Roller Bearing 40x90x33mm Open Cylindrical Bearing W33 Lubrication Groove Optional Industrial Bearing GQZ

• NU2308 is a single-row open cylindrical roller bearing with dimensions 40×90×33mm, adopting NU structural design with single rib on outer ring and rib-free separable inner ring. It features ultra-heavy radial load capacity and allows independent disassembly of the inner ring, greatly simplifying installation and maintenance for gearboxes and heavy machinery. Optional W33 lubrication groove, brass cage and C3 enlarged clearance are available to meet different working conditions. It runs stably at medium speed and is widely used in heavy industrial transmission equipment.

*Send inquiry to get complete technical datasheet and factory price of NU2308 roller bearing.

• NU separable inner ring design, convenient for assembly and disassembly on shafts
• Extra-wide cross-section, outstanding heavy radial load bearing capacity
• Open type structure, compatible with centralized oil supply lubrication system
• Standard C0 normal clearance; C3 enlarged clearance for high-temperature & tight-fit scenarios
• Stamped steel cage as standard, brass cage available for high-speed continuous operation
• W33 version with outer ring annular oil groove & lubrication holes for long-running equipment

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

• High-purity GCr15 chrome bearing steel with full heat treatment to ensure stable hardness and excellent wear resistance.
• Precision grinding rollers and raceways, strict dimensional inspection to guarantee smooth rotation and long service life.
• Complete optional specifications: brass cage, W33 lubrication groove, C3 clearance and P6 precision grade.
• Sufficient stock for NU series cylindrical roller bearings, support sample orders and bulk wholesale fast delivery.
• Provide professional technical selection consultation, OEM laser marking and customized packaging service.

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

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