Deep Groove Ball Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Deep Groove Ball Bearing
Koyo NACHI NSK 6918 6919 6920 Deep Groove Ball Bearing
Ensure smooth, high-speed operation with our reliable Deep Groove Ball Bearing lineup, designed to minimize downtime and maximize equipment performance. Perfect for applications demanding low noise and long service life, these bearings from trusted brands Koyo, NACHI, and NSK deliver consistent results even under rigorous conditions.
- Available in precision ratings P0-P4 and clearances C0/C2/C3 to meet specific application needs
- Grease or oil lubrication options for versatile maintenance flexibility
- Single-row, non-aligning design with 0° contact angle ensures optimal radial load handling
- Rich stock availability means fast shipping for urgent replacement needs
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Produktspezifikationen
| 6918, 6919, 6920 | |
| 90x125x18 mm, 95x130x18 mm, 100x140x20 mm | |
| Stock | Rich Stocks |
| Service | OEM, ODM |
| Trademark Compatibility | SKF, NTN, NSK, KOYO, NACHI, TIMKEN |
| Transport Package | Carton, Pallet |
| HS Code | 8482102000 |
Anwendungseignung
| Conveyor systems, precision machinery spindles | |
| Hydraulic pumps, electric motors, gearboxes | |
| Wheel hubs, alternators, drive train components | |
| General Manufacturing | Material handling equipment, textile machinery |
Need Reliable 6918, 6919, 6920 Deep Groove Ball Bearings? Avoid Costly Downtime
Finding the right deep groove ball bearings for high-speed applications can be frustrating. Mismatched dimensions lead to installation delays, while low-quality bearings with poor precision cause premature wear, vibration, and unexpected equipment shutdowns. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.
Entwickelt für konsistente Leistung in kritischen Anwendungen
Our 6918, 6919, and 6920 deep groove ball bearings address these challenges with ISO 9001-certified manufacturing and strict quality control. Available in precision grades from P0 to P4 and clearance classes C0/C2/C3, they meet the demands of high-speed industrial machinery, automotive systems, and automation equipment. With rich stock availability across international brand specifications, we simplify your procurement by offering a single source for multiple bearing models. These bearings excel in applications requiring smooth rotation at high speeds, such as electric motor shafts and precision spindles. The single-row design and 0° contact angle optimize radial load capacity, while the non-aligning structure ensures stability in rigidly mounted systems. Constructed from high-grade bearing steel, they deliver long service life even under continuous operation, making them ideal for 24/7 manufacturing environments. Wichtige technische Merkmale, die die Zuverlässigkeit beeinflussen
Precision rating directly affects rotational accuracy: P5 and P4 grades minimize runout, critical for CNC machine tools and metering equipment. Clearance selection (C0 standard, C2 tight, C3 loose) allows customization for thermal expansion conditions—C3 is recommended for high-temperature applications like engine components. The unseparated design ensures easy handling during installation, while the choice of grease or oil lubrication provides flexibility for operating speeds and maintenance intervals. Warum die Lagerqualität Ihre Gesamtbetriebskosten beeinflusst
Choosing the right deep groove ball bearing goes beyond upfront price. A bearing with substandard material hardness (below industry norms) will wear prematurely, leading to unscheduled downtime and replacement costs. Our bearings undergo rigorous hardness testing and dimensional inspection to ensure they meet load ratings and fatigue life expectations. By reducing failure rates, they lower long-term maintenance expenses and protect against costly damage to adjacent machine components. Our production and inspection processes comply with ISO 9001 standards, including raw material verification and finished product testing for dimensions, hardness, and surface finish. Every bearing comes with a warranty against manufacturing defects, and we provide clear documentation of quality control measures upon request. We support both OEM and ODM requirements, and our ability to source across major international brands means we can supply bearings that match your existing specifications. Fordern Sie noch heute Ihr Angebot für Lager an
Whether you need 6918, 6919, 6920, or other deep groove ball bearing models, we can provide pricing and availability quickly. Share your required model number, dimensions (d x D x B), and quantity, and our technical team will confirm compatibility with your application. The sooner you inquire, the sooner we can arrange shipment to keep your operations running smoothly. Häufig gestellte Fragen F: Liefern Sie Lager von anderen Marken oder Modellen?
A: Yes, we offer procurement services for a wide range of bearing brands and models, including both international and domestic options. We can source bearings according to your specific brand or dimensional requirements. F: Wie kann ich bestätigen, ob dieses Lager in meine Ausrüstung passt?
A: Provide your equipment model or the required bearing dimensions (inner diameter d, outer diameter D, width B), and our technical team will verify compatibility with the 6918, 6919, or 6920 specifications. F: Wie lautet Ihre Garantiepolitik für diese Lager?
A: We provide a warranty against manufacturing defects. The specific warranty period and terms will be detailed in your purchase contract, covering replacement or refund for defective products. F: Wie hoch ist die Mindestbestellmenge?
A: We support low minimum order quantities, including small-batch purchases, to accommodate both trial runs and large-scale production needs. F: Wie lange dauert der Versand?
A: In-stock bearings are shipped immediately. Delivery time depends on your location and chosen shipping method: express courier (3-5 days), air freight (5-7 days), or sea cargo (20-30 days). Q: Can you produce custom bearings (OEM/ODM)? A: Yes, we offer OEM and ODM services. Provide your technical drawings or specifications, and we can manufacture bearings tailored to your requirements. Ready to order or need a quote? Our engineers will respond within 12 hours with a tailored solution.Optimal Performance in High-Speed, Low-Noise Environments
Quality You Can Verify Through Transparent Processes
Packaging & Shipping
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you
Product Summary
Get a Custom Quote
General Specifications
| Bearing Type | Deep Groove Ball Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
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Koyo NACHI NSK 6918 6919 6920 Deep Groove Ball Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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