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Premium Quality Spherical Roller Bearings 21319ek for Heavy Machinery
US$1.80
1 Set
Product profile
Customization
AvailableBore (ID)
95mmOuter Diameter (Od)
200mmModel NO.
21319EKWidth
45mmTransport Package
10*10*10Specification
21319EKKey features
Superior Misalignment Tolerance: Spherical raceway design accommodates shaft misalignment and deflection, reducing abnormal wear.
High Load Capacity: Optimized double-row roller structure supports heavy radial loads and moderate axial loads simultaneously.
Long Service Life: Premium bearing steel and advanced heat treatment ensure stable performance under continuous heavy loads.
Shock & Vibration Resistance: Reinforced internal geometry absorbs impact loads, suitable for harsh operating conditions.
Customizable Specifications: Available in cylindrical/tapered bore, open/sealed types, with various cage materials and clearance classes.
ISO Certified Quality: Complies with ISO9001, ISO14001, and ISO45001 standards with rigorous durability testing.
Energy Saving Design: Precision machining reduces friction, lowering power consumption by 10-15%.
Wide Application Range: Ideal for mining, metallurgy, wind power, papermaking, and heavy machinery manufacturing.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.15h
AI-Powered supplier vetting
SummaryNatebon Electromechanical Industry (Jiangsu) Co., Ltd. is identified as a Chinese factory and comprehensive power-transmission-components provider, with bearing manufacturing and related industrial equipment activities. It has ISO9001:2015, ISO14001, ISO45001:2018, CE, and RoHS certifications. The supplier reports OEM service for well-known brands, inventory availability, and lead times within 15 working days in both peak and off-season periods. However, it has no available SDK, no overseas warehouse or showroom, no overseas-service-country coverage, and limited documented service-management controls. Manufacturing evidence includes one production line and a 2,973.47 m² plant, while no valid manufacturing-capacity contract with related subcontractors is reported. Export experience is one year with four experienced export-trade staff. Financial figures are excluded for privacy, and the supplied records do not provide enough non-financial evidence to establish financial credibility.
Supplier typeThe supplier is explicitly identified as a factory located in Kunshan, Suzhou, with manufacturing activities covering machine-tool functional components and accessories and bearings. Its stated commercial scope also includes industrial equipment, tools and hardware, and power-transmission components, indicating a manufacturing-oriented industrial supplier rather than only a trading company.
CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 certifications, together with CE and RoHS product-certification capability. These explicitly documented certifications support quality, environmental, occupational-safety, and product-compliance capabilities.
After-Sales capabilityThe supplier reports in-stock service capability and lead times within 15 working days in both peak and off-season periods, but it has no written procedures or records for service assessment, corrective and preventive actions, or customer-complaint handling. It also reports no overseas warehouse, showroom, or overseas-service-country coverage, so the evidence supports operational availability but not a well-documented or broad after-sales network.
R&D capabilityThe supplier describes independent R&D capability and emphasizes innovation and product-solution optimization. However, it explicitly reports no available SDK, so the evidence demonstrates some R&D positioning but does not establish broad technical-development or software-integration capability.
Production capacityThe supplier operates as a factory, reports a 2,973.47 m² manufacturing plant, bearing and machine-tool-component manufacturing activities, inventory capability, and one production line. However, it reports no valid manufacturing-capacity contract with related subcontractors, so production capability is evidenced but appears limited in documented scale and manufacturing-continuity support.
Customization capabilityThe supplier explicitly reports OEM services for well-known brands and has manufacturing activities in bearings and machine-tool functional components, supporting the ability to produce customer-specific industrial products. No detailed evidence is provided on customization processes, engineering resources, or customization scope beyond OEM availability.
Product Q&A
Q:What products does the NATEBON brand mainly produce?
A:
NATEBON focuses on precision transmission components, including core series such as precision bearings, linear guides, ball screws, etc. Sizes range from miniature to large. The products offer high accuracy (P2 and P4 levels) and also include special types like ceramic ball bearings and stainless steel bearings.
Q:Do you also supply other brands?
A:
Yes, we are authorized agents for well-known international brands such as SKF (Sweden), FAG/INA (Germany), NSK/IKO/NACHI/KOYO (Japan), TIMKEN (USA), etc. We offer both our own brand and imported brands to meet different customer needs.
Q:Which industries are your products used in?
A:
Our products are widely used in industries that require high precision and reliability, such as semiconductors, medical equipment, new energy, industrial automation, high-end equipment manufacturing, etc.
Q:Do your products have certifications?
A:
Yes, NATEBON products have passed CE and ROHS certifications. Our company is also certified with ISO9001, ISO14001, and ISO45001, ensuring stable quality and standardized management.
Q:Do you support global shipping?
A:
Yes, our products are exported to more than 30 countries and regions, we can arrange international shipping based on our customer requirements.
Send Inquiry
*To:
Natebon Electromechanical Industrial (Jiangsu) Co., Ltd.
Natebon Electromechanical Industrial (Jiangsu) Co., Ltd.*Content:
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