Spécifications
Dimensions
- Bore Diameter20 mm
- Largeur de l’anneau extérieur14 mm
- Outside Diameter47 mm
- Hauteur totale14 mm
- Longueur totale47 mm
- Overall Width14 mm
- Poids0.22 lb
Details
- Type d’alésageDroit
- Type de fermetureDouble blindage
- Pays d’origineJP
- Caractéristiques et avantages• Acier de haute qualité — Acier ultra propre pour prolonger la durée de vie des roulements jusqu’à 80 % • Technologie de graisse avancée — Lubrifiants NSK qui peuvent prolonger la durée de vie de la graisse et la performance des roulements à billes à rainure profonde • Billes de haute qualité — Fonctionnement silencieux et fluide même à haute vitesse
- Code d’harmonisation8482105048
- Dégagement interneDégagement normal
- Description longueLe 6204ZZNR est un roulement à billes radial à rainure profonde de 20 mm avec un diamètre extérieur de 47 mm et une largeur de 14 mm, double blindage pour la protection.
- Numéro de catalogue du fabricant6204ZZNR
- Numéro CUP du fabricant029176014314
- Norme de mesureMétrique
- Type de produitRoulements radiaux et à rainure profonde
- Anneau à pression inclusAvec anneau à bouton-pression
- CUP_NON029176014314
Aperçu
- Acier de haute qualité – Acier ultra propre pour prolonger la durée de vie des roulements jusqu’à 80 %
- Technologie de graisse avancée : lubrifiants NSK qui peuvent prolonger la durée de vie de la graisse et la performance des roulements à billes à rainure profonde
- Balles de haute qualité – Fonctionnement silencieux et en douceur, même à haute vitesse
Données sur la conformité et la sécurité
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 Literature- 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 Literature - 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 Literature - 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.
View Literature
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.