Roller Bearing
Ensure smooth, reliable rotation for your industrial machinery with our Self-Aligning Roller Bearing 21317CAK W33—engineered to minimize downtime and handle misalignment challenges in heavy-duty operations. This double row bearing delivers P0-P4 precision, balancing high load capacity with exceptional durability to keep your equipment running longer between maintenance checks.
MOQ
1 Piece
Sample Lead Time
3-5 Days
Bulk Lead Time
5-15 Days
Warranty
12 Months
Especificaciones del producto
Parámetro
Detalles
Modelo NO.
Clasificación de Precisión
P0 P6 P5 P4 P2
Liquidación
C0 C3 C4
Servicio
OEM ODM
Cuerpo Rodante
Rodamientos de rodillos
El Número de Filas
Doble
Material
Acero para rodamientos
Esférico
Alineación de rodamientos
Dirección de Carga
Rodamiento radial
Separado
No separado
Especificación
Código HS
8482300000
Industrias de Aplicación
Industria
Equipo Típico
Maquinaria Industrial
Máquinas Herramientas, Prensas de Impresión, Reductores
Automotriz
Sistemas de Transmisión, Cubos de Rueda
Maquinaria agrícola
Cosechadoras, Tractores
Construcción
Excavadoras, Transportadores
Nueva Energía
Aerogeneradores, Equipos Solares
Industrial machinery operators often face unexpected production halts due to bearing failures, especially in high-load applications where misalignment accelerates wear. Sourcing precision bearings that balance performance, delivery speed, and customization options can be challenging, with many suppliers requiring large minimum orders or long lead times for specialized specs. Our Self-Aligning Roller Bearing 21317CAK W33 addresses these challenges with double-row roller design that accommodates radial loads and moderate axial loads while compensating for shaft misalignment up to 2 degrees. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we offer P0-P4 precision grades and C0/C3/C4 clearance options to match specific machinery requirements, from CNC machine tools to agricultural reducers. Rendimiento Óptimo en Entornos Industriales Exigentes
This bearing excels in applications involving heavy radial loads, variable speeds, and potential shaft deflection—common scenarios in mining conveyors, steel rolling mills, and printing presses. The self-aligning capability reduces stress on shafts and housings, extending equipment life in environments where precise alignment is difficult to maintain. Its bearing steel construction ensures resistance to wear and fatigue under continuous operation, making it suitable for 24/7 production cycles. Características Técnicas Clave Que Mejoran la Fiabilidad de la Maquinaria
The 21317CAK W33’s 85mm bore diameter, 180mm outer diameter, and 41mm width provide a robust foundation for load handling. Precision ratings from P0 (standard) to P4 (high precision) allow customization based on application needs—P4 grade minimizes vibration in high-speed spindles, while P0 offers cost-effective solutions for general industrial use. Clearance options (C0 for standard, C3/C4 for thermal expansion) ensure proper fit in temperature-fluctuating environments, preventing seizure or excessive play. The unseparated design simplifies installation and maintenance, reducing downtime during replacements. Por qué los rodamientos auténticos reducen el costo total de propiedad
Choosing genuine high-precision bearings reduces the risk of premature failure compared to low-quality alternatives. Counterfeit bearings often lack proper heat treatment, leading to early wear that causes equipment breakdowns, unplanned maintenance, and production losses. Our bearings, backed by a 12-month global warranty, undergo rigorous QC testing in our in-house lab, ensuring consistent performance. This reliability translates to lower long-term costs by minimizing downtime, repair expenses, and replacement frequency—critical factors for industrial machinery manufacturers and operators. Su socio de confianza para soluciones de rodamientos desde 2005
With over 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we’ve built a reputation for stable supply and technical expertise. Our full R&D capabilities support OEM/ODM customization, while flexible order policies (1pc MOQ for standard items, 3–5 day sample lead time) cater to both emergency repairs and large-scale production needs. We provide free technical guidance to ensure proper bearing selection, and our defect replacement/refund policy gives customers confidence in their purchase. All products are traceable through our certified supply chain, with ISO9001 quality management ensuring consistent manufacturing standards. Embalaje seguro en cartón y palé para evitar daños durante el tránsito
Tiempo de entrega de muestra: 3–5 días para especificaciones estándar
Entrega a granel: 5–15 días dependiendo del volumen del pedido
Envío global a través de T/T, tarjeta de crédito o términos comerciales de Alibaba
1pc MOQ disponible para necesidades de reemplazo de emergencia
Don’t let bearing issues disrupt your operations. Whether you need a single replacement or bulk order, our 21317CAK W33 Self-Aligning Roller Bearing is ready to ship. Provide your application details, required precision grade, and quantity, and our team will confirm availability and deliver a quote within 24 hours. Preguntas Frecuentes
Q: Is this bearing authentic and certified? A: Yes, we are an ISO9001 and ISO14001 certified manufacturer. All bearings undergo strict quality control and are traceable through our supply chain. Q: How do I confirm if the 21317CAK fits my machinery? A: Provide your equipment model, load requirements, and operating speed. Our technical team will verify compatibility and recommend the optimal precision and clearance grade. Q: ¿Cuál es la cobertura de la garantía?
A: Ofrecemos una garantía global de 12 meses. Los defectos de fabricación están cubiertos por un reemplazo o reembolso gratuito.
Q: ¿Cuál es la cantidad mínima de pedido?
A: 1pc MOQ for standard specifications, supporting emergency repair needs. P: ¿Cuánto tiempo tarda el envío?
A: Las muestras se envían en 3–5 días, los pedidos al por mayor en 5–15 días. Utilizamos socios logísticos confiables para la entrega global.
Q: Can I get a custom precision grade or clearance? A: Yes, we offer OEM/ODM services with P0-P4 precision and C0/C3/C4 clearance options to meet specific application requirements. Ready to order or need a quote?
21317CAK
85*180*41 mm
Minimize Downtime with Reliable 21317CAK W33 Self-Aligning Roller Bearing for Industrial Machinery
21317CAK W33 Double Row Bearing: Engineered for Heavy-Duty Alignment and Durability
Packaging & Shipping
Get Your 21317CAK Bearing Shipped Fast—Minimize Production Downtime
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
Send us your bearing requirements. Our technical team will respond within 24 hours with pricing, availability, and custom options.
Submit Your Inquiry
Fill in product name, quantity, and any custom requirements.
Receive Quotation
We send PI with pricing and lead time within 24 hours.
Confirm & Ship
Confirm order, complete payment, and we arrange delivery.
Roller Bearing
Roller Bearing
Roller Bearing
Needle Roller Bearings