-- SKF Authorized Engineering Partner
Keep your rolling mill running at peak efficiency with the NSK HR30311 Roller Bearing, designed to minimize downtime and ensure smooth operation even under heavy loads. This precision-engineered bearing handles both grease and oil lubrication, adapting seamlessly to your maintenance routine while delivering consistent performance across P0 to P2 precision ratings.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| 30213JR, 30214JR, 30215JR, 3016JR, 30217JR |
| 85*150*28 mm |
| Rolling mill equipment, roller systems |
Selecting the right roller bearing for rolling mill applications can be challenging. Mismatched dimensions lead to installation delays, while low-quality bearings often fail prematurely, causing costly production downtime. With countless models and brands available, finding a single supplier that can handle diverse requirements is another common frustration.
The NSK HR30311-30314DJ roller bearing addresses these challenges with precision-engineered specifications suitable for the demanding conditions of rolling mill operations. Our ISO 9001 certified production and inspection processes ensure each bearing meets strict quality standards, while our extensive network allows access to both our BDL brand and international brands like NSK, SKF, and NTN. With现货库存 (ready stock) available, we can fulfill orders quickly to minimize your equipment downtime.
This roller bearing performs best under heavy radial and axial loads typical in rolling mill applications. Its design accommodates the continuous operation and moderate vibration levels found in roller systems, with lubrication options (grease or oil) to suit specific operational conditions. The precision rating options (from P0 to P2) allow customization based on the required running accuracy, ensuring smooth performance even at high rotational speeds.
Características clave de ingeniería que impactan el rendimiento
The 85*150*28 mm specification provides a balance of load capacity and compact design, critical for fitting within rolling mill equipment constraints. Precision ratings directly affect operational stability—higher grades like P5 or P4 reduce vibration (Z1V1 to Z3V3 options) and extend service life by minimizing internal clearance variations. The bearing’s construction supports both grease and oil lubrication, offering flexibility to adapt to maintenance schedules and operating temperatures. Vibration classes ensure compatibility with noise-sensitive environments, a crucial factor in reducing equipment wear and operator fatigue. Por qué elegir el rodamiento adecuado reduce el coste total Investing in a quality roller bearing like the HR30311-30314DJ reduces long-term costs compared to cheaper alternatives. Inferior bearings with substandard hardness or precision often fail early, leading to unplanned shutdowns, replacement expenses, and potential damage to adjacent components. This bearing’s adherence to international standards ensures reliable performance, aligning with ISO 281 principles for calculating bearing life. By selecting the appropriate precision and vibration class upfront, you avoid the hidden costs of frequent replacements and maintenance interruptions. Calidad respaldada por normas rigurosas
Our commitment to quality is demonstrated through ISO 9001 certified production processes, which include thorough原材料检验 (raw material inspection) and成品检测 (finished product testing) for dimensions, hardness, and surface treatment. Each bearing comes with a质保期 (warranty period) covering manufacturing defects, providing peace of mind. We offer both OEM and ODM services to meet custom requirements, and our ability to source from multiple brands ensures you get the exact specification needed for your application. Empaquetado en cajas de cartón y palés para garantizar un transporte seguro
Opciones de envío flexibles que incluyen exprés, aéreo y marítimo
Cantidad mínima de pedido baja admitida tanto para compras pequeñas como grandes
Whether you need the HR30311-30314DJ model or other roller bearings, provide your required specifications, quantity, and destination, and we’ll deliver a competitive quote with lead time. Our team can assist with cross-referencing models from major brands to ensure compatibility with your equipment. The sooner you confirm your order, the sooner we can arrange shipment to keep your operations running smoothly. P: ¿Suministran rodamientos de otras marcas o modelos?
R: Sí, atendemos consultas sobre todas las marcas y modelos de rodamientos, y podemos suministrarlos según la marca que nos indique o sus requisitos técnicos.
P: ¿Cómo puedo comprobar si este rodamiento es compatible con mi equipo?
A: Provide your equipment model or the bearing dimensions (d x D x B), and our technical team will verify compatibility with the HR30311-30314DJ or recommend alternatives. P: ¿Cuál es su política de garantía?
R: Ofrecemos un periodo de garantía que cubre los defectos de fabricación; las condiciones específicas se detallan en el contrato de venta.
P: ¿Cuál es la cantidad mínima de pedido?
R: Ofrecemos cantidades mínimas de pedido reducidas, lo que nos permite atender tanto pedidos de prueba en lotes pequeños como compras de gran volumen.
P: ¿Cuánto tiempo tarda el envío?
A: Stock items ship immediately; delivery time depends on your location and chosen shipping method (express, air, or sea freight). P: ¿Ofrecéis soluciones de rodamientos a medida?
A: Yes, we provide OEM and ODM services to manufacture bearings according to your drawings or specifications. Ready to order or need a quote?
Packaging & Shipping
Get a Quote for NSK HR30311-30314DJ Roller Bearings
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
{{联系方式}}
Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.
Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.
Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.
Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.
Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
Regarding: NSK HR30311-30314DJ Roller Bearing for Rolling Mill
-- Related Products
SKF Authorized Engineering Partner
Need technical support or a custom solution?
15+ certified engineers ready to help. Response within 24 hours.
