Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 6221 6321 |
| Bearing Type | Deep Groove Ball Bearing |
| Load Direction | Radial Bearing |
| Rows Number | Single |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Specification (d x D x B) | 105x190x36mm |
| Origin | Japan |
| HS Code | 8482102000 |
| Package Size | 21.00cm × 21.00cm × 5.60cm |
| Package Gross Weight | 3.890kg |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Rotary shafts, conveyor systems, gearboxes, pumps |
Struggling with High-Precision Bearing Selection for Industrial Machinery? Meet SKF 6221 and 6321 Deep Groove Ball Bearings
Industrial operations face constant challenges with bearing reliability—premature wear from misalignment, downtime due to low-quality materials, and the hassle of sourcing specific models across multiple suppliers. When your machinery depends on precise radial load handling, choosing the right bearing isn’t just about dimensions; it’s about long-term performance under demanding conditions.
Engineered for Consistent Performance in Industrial Environments
The SKF 6221 and 6321 deep groove ball bearings address these pain points with single-row radial design optimized for high-precision applications. As a professional bearing supplier with ISO 9001-certified quality processes, we ensure each unit meets strict dimensional tolerance standards (105x190x36mm) and is crafted from durable bearing steel. Our extensive inventory covers both common and hard-to-find models, eliminating the need for multi-supplier sourcing and reducing lead times for urgent industrial machinery repairs.
Optimal Performance in Radial Load Applications
These bearings excel in industrial machinery where radial loads are primary, such as in conveyor rollers, electric motors, and machine tool spindles. The 0° contact angle design ensures efficient load distribution, while the single-row configuration balances structural simplicity with robust performance. Whether operating in moderate temperatures or dusty factory environments, the bearing steel construction provides the hardness and wear resistance needed to maintain precision over extended service cycles.
Key Engineering Features That Impact Machine Uptime
The 105mm bore diameter, 190mm outer diameter, and 36mm width dimensions are critical for interchangeability with existing SKF-compatible systems, ensuring seamless replacement without modifying equipment housings. The radial load capacity makes these bearings suitable for applications with continuous rotational demands, while the absence of complex internal structures simplifies maintenance. Each unit undergoes dimensional and hardness testing before shipment, verifying compliance with industrial standards and reducing the risk of premature failure due to manufacturing defects.
Total Cost of Ownership: Why Precision Matters
Choosing a high-precision deep groove ball bearing like the SKF 6221 or 6321 reduces long-term costs by minimizing downtime and replacement frequency. Inferior bearings often fail early due to imprecise tolerances or substandard materials, leading to unplanned maintenance, production losses, and potential damage to adjacent components. Our bearings, backed by rigorous quality control, align with ISO 281 fatigue life standards, ensuring predictable performance and lower total ownership costs compared to cheaper alternatives.
Quality You Can Verify
Our commitment to quality is built on transparent processes: all bearings undergo raw material inspection and finished product testing for dimensions, hardness, and surface integrity. We provide a warranty against manufacturing defects, with clear terms outlined in each order. As a multi-brand supplier, we source directly from established manufacturers, ensuring traceability and authenticity. Whether you need standard SKF models or custom specifications, our technical team can assist with选型 guidance to match your exact application requirements.
Packaging & Shipping
- Standard industrial packaging to prevent damage during transit
- Ready stock available for immediate dispatch on confirmed orders
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantity supported, ideal for both maintenance and production needs
Get a Quote for SKF 6221 and 6321 Bearings Today
Whether you’re replacing worn bearings in existing machinery or sourcing components for new industrial equipment, we can provide competitive pricing and delivery timelines. Share your required model, quantity, and delivery location, and our team will respond with a tailored quote—no unnecessary delays, no hidden costs.
Frequently Asked Questions
Q: Do you supply other bearing brands or models beyond SKF?
A: Yes, we offer a full range of international and domestic brands, including NSK, NTN, Koyo, and more. We can source specific models based on your requirements.
Q: How can I confirm if the 6221/6321 bearing fits my equipment?
A: Provide your equipment’s bearing dimensions (d x D x B) or original part number, and our technical team will verify compatibility with the SKF 6221/6321 specifications.
Q: What is your warranty policy for these bearings?
A: We provide a warranty against manufacturing defects. Specific terms, including duration, are detailed in each sales contract.
Q: What is the minimum order quantity for these SKF bearings?
A: We support low minimum order quantities, making it feasible for both small maintenance orders and large production runs.
Q: How quickly can you ship the 6221/6321 bearings?
A: Stock items ship within 24-48 hours of order confirmation. Shipping time depends on the selected method and destination.
Q: Do you offer OEM/ODM customization for bearings?
A: Yes, we can provide custom bearings based on technical drawings or specific performance requirements, including material and lubrication options.
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.
