Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | N309EM, N310EM, N311EM |
| Bearing Type | Cylindrical Roller Bearing |
| Material | Bearing Steel |
| Structure | Single Row, Cylindrical |
| Load Direction | Radial Bearing |
| Separated Design | Separated |
| Seals Type | Open |
| Lubrication | Oil, Grease, Dry |
| Precision Rating | P0, P6, P5, P4, P2 |
| Spherical Alignment | Non-Aligning Bearings |
| Specification (d x D x B) | 45*100*25mm |
| Origin | Sweden |
| Trademark | SKF |
| HS Code | 8482500090 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Rotary shafts, gearboxes, pumps, compressors, conveyor systems |
Need Reliable Cylindrical Roller Bearings for Industrial Machinery? Here’s What You Should Check
Many industrial operations face unexpected downtime due to bearing failures. Whether it’s misalignment issues, premature wear from low-quality materials, or difficulty finding the right SKF N309EM, N310EM, or N311EM model quickly, these problems disrupt production and increase maintenance costs. As a supplier with extensive experience in industrial bearings, we understand the critical role that precise bearing selection plays in machinery performance.
Engineered for Heavy-Duty Industrial Performance
The Cylindrical Roller Bearing SKF N309EM, N310EM, N311EM series is designed to address common industrial machinery challenges. With separated inner and outer rings, these bearings simplify installation and maintenance—especially in tight spaces like gearboxes and pumps. Our supply chain includes extensive inventory of SKF cylindrical bearings, ensuring we can meet urgent delivery needs while maintaining strict quality control through ISO 9001 certified inspection processes.
Optimal Performance in Demanding Conditions
These SKF cylindrical roller bearings excel in applications requiring high radial load capacity and precise rotational accuracy. Operating temperatures compatible with oil, grease, or dry lubrication make them suitable for diverse industrial environments, from manufacturing plants to heavy machinery. The single-row design and non-aligning structure ensure stable performance under constant radial loads, reducing the risk of vibration-related damage to equipment components.
Key Engineering Features That Impact Reliability
The bearing steel construction provides excellent surface hardness and wear resistance, critical for withstanding the rigors of continuous industrial operation. Precision ratings from P0 to P2 allow customization based on application requirements—higher precision grades (P4, P2) for high-speed machinery, standard grades (P0, P6) for general industrial use. The open seal design facilitates easy lubrication maintenance, while the separated structure enables quick replacement without removing adjacent components, minimizing downtime during repairs.
Why Choosing the Right Cylindrical Roller Bearing Lowers Total Costs
Selecting the correct SKF N309EM, N310EM, or N311EM bearing directly affects your equipment’s total cost of ownership. A bearing with mismatched precision or load capacity may fail prematurely, leading to unplanned shutdowns, replacement parts, and labor costs. These SKF cylindrical roller bearings, with their robust design and material quality, deliver longer service life and consistent performance, reducing the frequency of replacements and associated maintenance expenses.
Quality Assurance You Can Verify
Our procurement process ensures all SKF bearings meet original specifications through strict batch traceability and pre-delivery precision testing. We maintain direct relationships with global bearing manufacturers, allowing us to source authentic products with complete documentation. Each bearing undergoes dimensional and hardness checks before shipment, and we provide warranty coverage for manufacturing defects, giving you confidence in your purchase.
Packaging & Shipping
- Standard packaging: Carton and pallet for secure transportation
- Package dimensions: 12.00cm * 12.00cm * 4.50cm per unit
- Gross weight: 0.990kg per package
- Flexible shipping options: Express, air, or sea freight based on order size
- Low minimum order quantity supported for both trial and bulk purchases
Get a Quote for SKF N309EM, N310EM, N311EM Bearings
Whether you need a single SKF N309EM bearing for maintenance or bulk quantities of N310EM/N311EM for production, we can provide competitive pricing and reliable delivery. Share your specific model, quantity, and delivery location, and our team will respond promptly with availability and logistics options.
Frequently Asked Questions
Q: Do you supply other bearing brands or models besides SKF?
A: Yes, we offer a full range of industrial bearings from international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic manufacturers. We can source specific models as per your requirements.
Q: How can I confirm if the N309EM/N310EM/N311EM bearing fits my equipment?
A: Provide your equipment’s bearing dimensions (inner diameter d, outer diameter D, width B) or existing part number, and our technical team will verify compatibility with the SKF cylindrical roller bearing specifications.
Q: What is your warranty policy for these bearings?
A: We offer a warranty against manufacturing defects. Specific terms are detailed in our sales contract, and we handle returns or replacements for verified quality issues.
Q: What is the minimum order quantity for SKF cylindrical bearings?
A: We support low minimum order quantities, including single-unit purchases for emergency maintenance needs, with volume discounts available for bulk orders.
Q: How long does shipping take for SKF N309EM/N310EM/N311EM bearings?
A: In-stock items ship within 48 hours. Delivery time depends on your location—express shipping takes 3-5 days, air freight 7-10 days, and sea freight 30-40 days for international destinations.
Q: Can you provide OEM/ODM services for bearings?
A: Yes, we offer customized bearing solutions including special packaging, laser marking, and technical document translation to meet specific customer 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.







