-- SKF Authorized Engineering Partner
Ensure smooth, reliable operation in demanding applications like automobile and rolling mill machinery with our high-quality 21311-21316cc W33 Self-Aligning Roller Bearing. Designed to handle radial loads with precision, this bearing minimizes downtime by maintaining alignment even under variable stress, thanks to its self-aligning capability.
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Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| Parameter | Details |
|---|---|
| Model Number | 7000AC, 7001AC, 7002AC, 7003AC, LFR 50/8-6 2RS |
| Bearing Type | Angular Contact Ball Bearing |
| Separated | Unseparated |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Specification | 10×26×8 mm |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Stock | in Stock |
| Service | OEM, ODM |
| Transport Package | Carton, Pallet |
| Origin | China |
| HS Code | 8482102000 |
| Industry | Typical Applications |
|---|---|
| Automobile | Transmission systems, wheel hubs |
| Rolling Mill | Roller assemblies, drive mechanisms |
| Mine | Conveyor systems, drilling equipment |
| Metallurgy | Continuous casting machines, rolling stands |
Selecting the right self-aligning roller bearing can be challenging. Mismatched dimensions lead to installation delays, while low-quality materials cause premature wear, increasing downtime in critical applications like mining conveyors or rolling mills. Sourcing from multiple suppliers for different brands only adds complexity to procurement.
The 21311-21316cc W33 self-aligning roller bearing addresses these issues with precision-engineered design. As a professional supplier with ISO 9001 certified production processes, we ensure consistent quality across our full product range. With in-stock availability and coverage of international brands like NSK, NTN, and Koyo, we simplify procurement for industries such as metallurgy and automobile manufacturing.
This self-aligning roller bearing excels in environments with shaft misalignment, a common issue in mining and rolling mill equipment. Its radial load capacity makes it ideal for heavy-duty operations, while the W33 lubrication groove ensures efficient grease distribution. Operating temperatures compatible with industrial conditions further enhance its reliability in demanding settings.
Bearing steel construction provides exceptional hardness and wear resistance, critical for withstanding the rigors of metallurgical processes. The single-row design balances load capacity with compact dimensions, fitting into space-constrained assemblies. Precision ratings from P0 to P2 allow customization for applications requiring tight tolerances, such as automated manufacturing equipment. Vibration classes Z1V1 to Z3V3 ensure smooth operation, reducing noise and extending equipment lifespan.
Choosing a high-quality self-aligning roller bearing reduces long-term costs. Inferior bearings often fail prematurely, leading to unplanned maintenance, production losses, and potential damage to adjacent components. Our bearings, manufactured to international standards, minimize these risks through rigorous testing—including dimensional checks and hardness verification. By focusing on reliability rather than upfront cost, you lower the total cost of ownership in applications like automobile production lines and mine conveyors.
Our production and inspection processes adhere to ISO 9001 standards, ensuring consistent quality. Raw materials undergo strict testing before manufacturing, and finished bearings are checked for dimensions, hardness, and surface treatment. We provide a warranty against manufacturing defects, with clear terms outlined in each contract. Our extensive network includes both自有 brand and international brand options, allowing us to fulfill orders for specific brand requirements. With substantial in-stock inventory, we support quick turnaround for urgent requirements.
Whether you need this specific self-aligning roller bearing or other models, provide your required quantity, dimensions, and target delivery location. Our team will respond promptly with pricing and availability. With our comprehensive product range, we can also assist with sourcing other bearing types to streamline your procurement process.
Q: Do you supply bearings from other brands or models?
A: Yes, we support inquiries for full brand and model ranges, including both international and domestic brands, and can supply according to customer-specified standards.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment’s required bearing dimensions (d x D x B) or model number, and our technical team will verify compatibility with the 21311-21316cc W33 specifications.
Q: What is your warranty policy?
A: We offer a warranty period for manufacturing defects, with specific terms detailed in the sales contract. Defective products covered by warranty can be replaced or returned.
Q: What is the minimum order quantity?
A: We accept low minimum order quantities, supporting small-batch trial orders and sample requests to meet various procurement needs.
Q: How long does shipping take, and what methods are available?
A: In-stock items ship within 1-3 business days. Shipping methods include express courier, air freight, and sea freight, with transit times varying by destination and chosen service.
Q: Do you offer OEM or ODM services?
A: Yes, we support OEM and ODM customization based on customer-provided drawings, specifications, or samples for specific application requirements.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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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: 21311-21316cc W33 Self-Aligning Roller Bearing High Quality
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