Especificaciones
Dimensiones
- Agujero Diámetro55 mm
- Ancho del anillo exterior21 mm
- Exterior Diámetro100 mm
- Altura total21 mm
- Longitud total100 mm
- En general Ancho21 mm
- Peso1.37 lb
Detalles
- Tipo de orificioRecto
- Tipo de cierreBlindado simple
- País de origenJP
- Características y beneficios• Acero de alta calidad: acero ultralimpio para prolongar la vida útil de los rodamientos hasta en un 80 % • Tecnología avanzada de grasa: lubricantes NSK que pueden prolongar la vida útil de la grasa y el rendimiento de los rodamientos de bolas de ranura profunda • Bolas de alta calidad: funcionamiento silencioso y suave incluso a alta velocidad
- Código de armonización8482105052
- Autorización internaHolgura normal
- Descripción largaEl 6211ZNR es un cojinete de bolas de ranura profunda radial de 55mm orificios con un solo blindaje, 100mm OD y 21mm de ancho para uso industrial.
- Número de catálogo del fabricante6211ZNR
- Número de Upc del fabricante029176034725
- Estándar de mediciónSistema métrico
- Tipo de productoRodamientos de bolas de ranura profunda y radial
- Anillo a presión incluidoCon anillo a presión
- UPC_NO029176034725
Descripción general
- Acero de alta calidad: acero ultralimpio para prolongar la vida útil de los rodamientos hasta en un 80%
- Tecnología de grasa avanzada: lubricantes NSK que pueden prolongar la vida útil de la grasa y el rendimiento de los cojinetes de bolas de ranura profunda
- Bolas de alta calidad: funcionamiento silencioso y suave incluso a alta velocidad
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.
View case study- NSK Bearings For Steel Industry Brochure
Robust, 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.
View brochure - NSK Tough Steel Brochure
NSK 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.
View brochure - NSK Super-TF Four Row Cylindrical Roller Bearings Brochure
NSK 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.