Especificaciones
Dimensions
- Bore Diameter4 mm
- Ángulo de contactoNo aplicable
- Ancho del anillo interior4 mm
- Outside Diameter9 mm
- Overall Width4 mm
- Clasificación de precisiónABEC 1
Details
- Material del cojineteAcero para cojinetes
- Tipo de cojineteRodamientos de bolas de ranura profunda y radial
- Tipo de orificioRecto
- Material de la jaulaAcero para cojinetes
- Tipo de jaulaChapa metálica
- Tipo de cierreDoble blindaje
- Descripción638/4-2Z
- Material del elementoAcero para cojinetes
- Características y beneficios• Rodamiento de bolas de ranura profunda
- Recubrimiento de acabadoSin recubrimiento
- Autorización internaCN
- Descripción largaEl 638/4-2Z es un cojinete de bolas radial/de ranura profunda de 4 mm con diámetro exterior de 9 mm, ancho de 4 mm, diseño recto, tipo doble blindaje.
- Número de catálogo del fabricante638/4-2Z
- Tipo de productoRodamientos de bolas de ranura profunda y radial
- Capacidad de carga dinámica radial95 lbf
- Capacidad de carga estática radial26 lbf
- Material del selloPlaca de estaño
- Serie638
- Anillo a presión incluidoSin anillo a presión
- UPC_NO7316570636048
Descripción general
- Rodamiento de bolas de ranura profunda
Datos de cumplimiento y seguridad
Literature & Catalogs
SKF Protected for Superior Field Performance BrochureSKF Explorer Sealed Spherical Roller Bearings are designed to deliver superior performance in harsh, contaminated environments, combining high load capacity with integrated sealing and premium lubrication. They reduce maintenance, extend service life, and improve reliability in demanding industrial applications.
View Literature- SKF Mounted Roller Bearing Line Card
SKF Mounted Spherical Roller Bearing Units are robust, ready-to-mount, factory assembled, lubricated and sealed units designed for simple installation and easy alignment. Featuring ConCentra and set screw units, radial lip seals, and expanded housing sizes, they provide reliable shaft-ready solutions for conveyors, fans, bucket elevators, and wastewater equipment.
View Literature - SKF Maintenance Free Bearing Solutions Flyer
SKF PEER FaBXTREME maintenance-free bearing units are designed for food and beverage processing, bottling, and washdown environments. Featuring stainless steel construction, FDA-compliant sealing, Mobil FM222 grease, extended inner rings, and drop-in replacement designs to eliminate downtime and reduce service costs.
View Literature - SKF Food Safety and Reliability Brochure
SKF's Three Barrier Solution for paper mills enhances bearing reliability in highly contaminated, wet environments. Combining advanced sealing, optimized lubrication, and durable bearing technology, it minimizes water ingress, reduces premature failures, extends service life, and lowers maintenance and downtime costs in critical roll applications.
View Literature
More resources
SKF Food Line Ball Bearings for Non-corrosive Environments Brochure
SKF Food Line Deep Groove Ball Bearings feature corrosion-resistant materials, food-grade grease, and hygienic sealing solutions designed for washdown and high-moisture food processing environments. They help prevent contamination, reduce relubrication needs, extend service life, and support strict food safety and compliance standards.
SKF Explorer Spherical Roller Bearings Brochure
SKF Explorer Sealed Spherical Roller Bearings are engineered for heavy loads and contaminated environments, combining high-capacity roller design with integrated contact seals and premium grease. They extend service life, reduce maintenance, prevent contaminant ingress, and improve reliability in demanding industrial applications.