Double Row Cylindrical Roller Bearing NN3024

1.Sizes:Inner Diameter:120mm Outer Diameter:180mm Width:46mm
2.Structure Type::Double-row cylindrical roller bearing
3.Material: Gcr15/Bearing steel
4..Accuracy:P0/P5/P4
5.Cage:machined brass
6.Primary Application Range:Large speed reducers, pumps, and fans
7.Delivery time: 7 working days
8.Customization: OEM service
9.Samples: Sample service available
Product Description
Technical Specifications

Double Row Cylindrical Roller Bearing NN3024 - High-Precision Industrial Solution

The Double Row Cylindrical Roller Bearing NN3024 is a precision-engineered rolling element bearing designed for applications demanding exceptional radial rigidity and high-speed performance. This bearing features a double-row configuration with an inner diameter of 120mm, outer diameter of 180mm, and width of 46mm. The NN3024 belongs to the specialized NN series, incorporating three integral ribs on the inner ring and a ribless outer ring design. This configuration allows controlled axial displacement to accommodate thermal expansion while maintaining superior radial load capacity. You'll find this bearing essential for machine tool spindles, heavy-duty reducers, and industrial applications where precision and reliability are non-negotiable.

NN3024

Design Features and Working Principle

Structure Design

The NN3024 highlights a modern double-row roller course of action that maximizes contact region between rolling components and raceways. The inward ring consolidates three precision-machined ribs that direct the round and hollow rollers, whereas the external ring remains ribless to allow warm development. This deviated rib setup makes a distinguishable plan that streamlines establishment and support procedures.

Working Principle

During operation, the round and hollow rollers keep up line contact with both inward and external raceways over two parallel columns. This geometry conveys spiral loads consistently over different contact focuses, altogether lessening contact push compared to single-row choices. The brass cage keeps up exact roller dividing and anticipates skewing beneath energetic conditions.

Performance Advantages

The double-row setup conveys uncommon spiral unbending nature whereas keeping up compact pivotal measurements. You advantage from decreased flexible distortion beneath overwhelming loads, made strides rotational exactness, and upgraded resistance to stun stacking. The divisible plan encourages exact mounting with controlled impedances fits.

NN3024

Applications and Industries

Machine Tool Spindles

The Double Row Cylindrical Roller Bearing NN3024 serves as the primary radial support bearing in CNC lathe and machining center spindles. You can rely on its superior rigidity to eliminate spindle deflection during heavy cutting operations while maintaining dimensional accuracy during high-speed finishing passes.

Mechanical Equipment

Large speed reducers utilize this bearing for fundamental shaft back where space imperatives constrain bearing measure but spiral loads stay considerable. The compact cross-section obliges tight lodging plans whereas giving the stack capacity of bigger bearing configurations.

Power Era Equipment

High-capacity electric engines and generators utilize the NN3024 at non-drive conclusion positions where pivotal warm extension must be suited without actuating hurtful pivotal loads on the turning assembly.

Quality Control and Fabricating Standards

Our 30-year fabricating mastery guarantees each bearing meets thorough quality benchmarks. We execute a comprehensive three-level quality control framework covering crude fabric review, in-process observing, and wrapped up item confirmation. Each bearing experiences vibration testing, dimensional confirmation, and surface wrap up analysis.

The fabricating handle utilizes high-purity GCr15 bearing steel with specialized warm treatment to accomplish ideal hardness dissemination. Accuracy pounding operations keep up raceway geometry inside P4 resistance limits, guaranteeing reliable execution over generation batches.

Installation and Maintenance Considerations

Mounting Procedures

The distinguishable plan disentangles establishment in tight lodgings. Mount the inward ring get together to begin with, at that point position the external ring with suitable impedances fit calculations. Consider warm development impacts when setting up lodging clearances.

Lubrication Requirements

High-speed applications advantage from oil-air oil frameworks that oversee warm era successfully. For standard operations, utilize high-quality lithium complex oil with 10-15% fill proportion to optimize execution and benefit life.

Operational Monitoring

Regular vibration investigation makes a difference distinguish early wear pointers some time recently execution debasement happens. Temperature observing avoids warm harm amid high-speed operations.

NN3024

Why Choose Luoyang Auto Bearing?

Our comprehensive bearing arrangements combine three decades of industry encounter with progressed fabricating capabilities. We keep up stock stock of over 1,000 standard bearing sorts, empowering 48-hour conveyance for pressing necessities. Our secluded generation forms decrease custom bearing lead times to 70% of industry averages.

Quality affirmation incorporates confirmation of 12 center execution markers with over 99.9% capability rates. This commitment guarantees your item meets details consistently.

We give total specialized back counting establishment direction, operational counseling, and prescient support programs. Our worldwide benefit organize offers on-site mapping administrations for substitution applications and 24-hour specialized discussion.

Ordering Information

Standard delivery time is 7 working days for stock configurations. Custom specifications including special accuracy classes, cage materials, or dimensional modifications are available through our OEM services. Sample bearings are available for evaluation and testing purposes.

For technical consultations, custom requirements, or ordering assistance, contact our engineering team at auto@lyautobearing.com. Our technical specialists will help you select the optimal bearing configuration for your specific application requirements.

The Double Row Cylindrical Roller Bearing NN3024 represents the intersection of precision engineering and manufacturing excellence, delivering reliable performance in your most demanding applications.

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