Especificaciones
Dimensions
- Bore Diameter55 mm
- Ancho del anillo exterior29 mm
- Outside Diameter120 mm
- Altura total29 mm
- Longitud total120 mm
- Overall Width29 mm
Details
- Material del cojineteAcero
- Tipo de orificioRecto
- Tipo de cierreAbierta(s)
- País de origenJP
- Código de armonización8482105056
- Autorización internaC0
- Descripción largaEl 6311NR es un cojinete de bolas de ranura profunda radial con un orificio de 55 mm, un diámetro exterior abierto de 120 mm y un ancho de 29 mm para aplicaciones de alta resistencia.
- Catálogo del fabricante
- Número de catálogo del fabricante6311NR
- Número de Upc del fabricante029176035128
- RPM máximas (grasa)6700 rpm
- RPM máximas (aceite)8000 rpm
- Estándar de mediciónSistema métrico
- Tipo de productoRodamientos de bolas de ranura profunda y radial
- Capacidad de carga dinámica radial16900 lbf
- Capacidad de carga estática radial10000 lbf
- Ranura de llenado de tipo de filaRanura sin llenado de fila única
- Anillo a presión incluidoCon anillo a presión
- UPC_NO029176035128
Descripción general
Datos de cumplimiento y seguridad
Literature & Catalogs
NSK Steel Metals Works Asset Improvement Program Success StoryNSK helped a steel manufacturer reduce bearing failures in a 4-stand tandem mill by replacing conventional bearings with Super-TF bearings for contaminated environments. The upgrade extended service life and delivered $119,600 cost savings.
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NSK Bearings For Steel Industry BrochureRobust, wear-resistant, and durable, NSK's rolling bearings are engineered for the demanding environments of the iron and steel industry. Robust deliver reliable performance, extended service life, and reduced maintenance in extreme operating conditions across applications.
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NSK Tough Steel BrochureNSK Tough Steel Bearings deliver longer life in contaminated and heavy-duty environments through advanced heat treatment and optimized retained austenite. Enhanced toughness, hardness and wear resistance provide superior performance in mining, cement, steel, paper and wind industries.
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NSK Super-TF Four Row Cylindrical Roller Bearings BrochureNSK Super-TF four-row cylindrical roller bearings are engineered for back-up rolls in rolling mill stands, delivering exceptional load capacity, high precision, and extended service life under extreme loads, contamination, and harsh lubrication conditions. Designed with advanced Super-TF steel and multiple cage configurations, they improve durability, reduce downtime, and enhance rolling accuracy in steel and metals processing applications.
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More resources
NSK Sendzimir Backup Roller Bearings Brochure
NSKs back-up roller bearings for cluster mills are engineered with the requisite ring strength and running accuracy to support precise plate and sheet making. With advanced options including our long-life STF steel and innovative seal design, they withstand heavy loads and lubrication challenges to deliver a long and reliable service life.
NSK SWR Spherical Roller Bearings Continuous Casting Machines Brochure
NSK SWR Series spherical roller bearings are engineered for continuous casting machines in steel and metals processing, delivering superior wear resistance, flaking life, and core toughness. Designed for heavy loads, contamination, and ultra-low speeds, they extend roll segment life and reduce unplanned downtime.
