single row cylindrical roller bearing NF215

Single Row Cylindrical Roller Bearing NF215 - Technical Specifications & Applications

When your industrial equipment demands reliable radial load support with precise axial positioning, the single row cylindrical roller bearing NF215 delivers proven performance across demanding applications. This precision-engineered bearing features separable construction with an inner ring equipped with two integral flanges and an outer ring with a single flange, enabling unidirectional shaft guidance while supporting heavy radial loads. The NF215's 75mm bore diameter and robust steel construction make it ideal for medium-voltage electric motors, industrial gearboxes, and centrifugal pump applications where operational reliability cannot be compromised.

Product Overview

The NF215 has a place to the NF arrangement of round and hollow roller orientation, characterized by its special rib arrangement. The external ring's single spine combined with the internal ring's double ribs makes a bearing framework that successfully oversees outspread strengths whereas giving hub area in one heading. This plan permits controlled warm extension, avoiding bearing seizure amid nonstop operation in high-temperature environments.

Key Plan Features

The bearing utilizes round and hollow rollers organized in straight contact with the raceways, disseminating loads over a bigger surface region compared to point-contact ball heading. This setup empowers the item to handle considerably higher spiral loads whereas keeping up smooth operation at raised speeds.

The distinguishable development encourages upkeep methods, permitting specialists to expel rings autonomously amid gear overhauling. This include decreases downtime and disentangles bearing substitution in restricted apparatus spaces.

Material Properties & Manufacturing

The NF215 utilizes vacuum-degassed GCr15 high-carbon chromium bearing steel, heat-treated to 60-64 HRC for ideal wear resistance. This fabric determination guarantees reliable execution beneath cyclic stacking and gives great dimensional steadiness all through the bearing's benefit life.

Advanced fabricating forms incorporate exactness crushing of raceways to accomplish required surface wrap up and logarithmic roller profiling to dispense with edge stretch concentrations. These fabricating strategies contribute to expanded weakness life and diminished clamor era amid operation.

Performance Characteristics

The single row cylindrical roller bearing NF215 excels in applications requiring high radial rigidity. Its line contact between rollers and raceways distributes loads effectively, reducing contact stress and extending bearing life compared to point-contact alternatives.

Stack capacity changes with grease conditions and working speed. Beneath legitimate grease, the bearing bolsters energetic outspread loads up to its evaluated capacity whereas pleasing constrained hub uprooting due to warm development or shaft deflection.

The bearing works proficiently over a wide speed extend, with execution optimized through legitimate cage determination. Squeezed steel cages suit common mechanical applications, whereas machined brass cages give upgraded execution in high-speed or exactness applications.

Industrial Applications

Electric Engine Systems

In medium-voltage electric engines, the NF215 ordinarily mounts at the non-drive conclusion, supporting rotor weight whereas allowing warm shaft stretching. The single external ring spine anticipates hub uprooting in one course whereas permitting controlled development in the inverse course, avoiding bearing seizure amid temperature cycling.

Industrial Gearboxes

Heavy-duty transmission frameworks utilize the bearing in middle shaft positions where tall outspread loads from equip fitting powers require strong bolster. The bearing's stun stack capability handles sudden torque varieties common in variable-load applications such as mining transports and steel process drives.

Pump and Compressor Applications

Centrifugal pumps and prepare compressors advantage from the NF215's capacity to handle pressure driven outspread strengths whereas keeping up shaft soundness. The bearing minimizes vibration transmission, basic for keeping up seal keenness and lessening upkeep necessities in continuous-process industries.

Installation and Maintenance Considerations

Proper establishment requires consideration to shaft and lodging fits, with suggested resiliences taking after ISO 286 guidelines. The distinct plan permits person ring establishment, streamlining mounting strategies in limited get to situations.

Lubrication determination depends on working conditions, with lithium-based oils appropriate for standard applications and manufactured oils prescribed for extraordinary temperature or high-speed benefit. Normal observing of vibration levels and working temperature makes a difference anticipate support needs.

Quality Standards and Availability

Our single row cylindrical roller bearing NF215 meets international quality standards with precision classes from P0 (standard) to P4 (high precision) available based on application requirements. Each bearing undergoes comprehensive testing including vibration analysis and dimensional verification before shipment.

Standard delivery time is 7 working days for stock configurations, with custom specifications available through our engineering support team. Sample bearings are available for evaluation in your specific application.

For technical assistance or to discuss your bearing requirements, contact our engineering team at auto@lyautobearing.com. Our 30 years of bearing industry experience ensures you receive optimal solutions for your most demanding applications.