High Precision SKF Sweden N309em N310em N311em Cylindrical Roller Bearings for CNC Machine Tools - 1
High Precision SKF Sweden N309em N310em N311em Cylindrical Roller Bearings for CNC Machine Tools - 2
High Precision SKF Sweden N309em N310em N311em Cylindrical Roller Bearings for CNC Machine Tools - 3
High Precision SKF Sweden N309em N310em N311em Cylindrical Roller Bearings for CNC Machine Tools - 4
High Precision SKF Sweden N309em N310em N311em Cylindrical Roller Bearings for CNC Machine Tools - 5
ISO 9001
Certified
Genuine
Original
Global
50+ Countries

High Precision SKF Sweden N309em N310em N311em Cylindrical Roller Bearings for CNC Machine Tools

Ensure peak CNC machining precision with High Precision SKF Cylindrical Roller Bearings – designed to deliver consistent performance in critical industrial applications. These瑞典原产N309EM, N310EM, and N311EM models feature P4 precision rating and separated inner/outer rings for easy installation and maintenance, reducing unplanned downtime in high-precision setups.

  • Radial load capacity optimized for CNC machine tool spindles, ensuring stable operation even under heavy cutting conditions
  • Open design allows for custom lubrication (oil, grease, or dry) to match specific machining requirements
  • Compliant with ISO 9001/DIN standards, with full traceability documentation for seamless integration into multi-brand procurement workflows
Quality
Premium Grade
TS 16949 certified
Lead Time
From 2 weeks
Express available
MOQ
Negotiable
Free samples $50k+
Support
Lifecycle
15+ engineers

Product Specifications

Parameter Details
Model NO. N309EM, N310EM, N311EM
Material Bearing Steel
Spherical Non-Aligning Bearings
Load Direction Radial Bearing
Separated Separated
Product Name Cylindrical Roller Bearing
Structure Cylindrical
Seals Type Open
Lubricate Oil Grease Dry
Precision Rating P0, P6, P5, P4, P2
Number of Row Single Row
Specification 45*100*25mm (N309EM)
Trademark SKF
Origin Sweden
HS Code 8482500090

Application Industries

Industry Typical Equipment
Manufacturing CNC Machine Tools, Spindles, Gearboxes
Industrial Automation Robotics, Conveyor Systems, Precision Actuators
Semiconductor Manufacturing Wafer Handling Equipment, Lithography Systems
Medical Equipment Imaging Machines, Precision Diagnostics

Prevent CNC Downtime with Genuine SKF N309EM, N310EM, N311EM Bearings

CNC machine operators know the cost of unexpected spindle failure—unplanned downtime eats into production schedules, and cheap replacement bearings often fail within months. Sourcing authentic high-precision bearings from multiple suppliers wastes valuable time, while inconsistent quality standards create hidden risks for your equipment’s performance.

Genuine SKF Cylindrical Roller Bearings, In Stock for Immediate Delivery

Our High Precision SKF Sweden N309em N310em N311em Cylindrical Roller Bearings solve these challenges. As an officially authorized SKF distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring you get authentic components within days, not weeks. Each bearing undergoes standardized precision testing before shipment, guaranteeing it meets the strict quality requirements of CNC machine tool applications.

Engineered for High-Precision CNC Operations

These cylindrical roller bearings excel in the demanding conditions of CNC machine tools, where radial loads and high rotational speeds require consistent performance. The separated design allows for easy mounting and dismounting, simplifying maintenance, while the open seal type minimizes friction in high-speed spindle applications. Whether used in vertical machining centers or horizontal lathes, these bearings deliver the stability needed for tight-tolerance manufacturing.

Technical Details That Maximize Machine Uptime

The precision rating of P4 ensures minimal runout and vibration, critical for maintaining surface finish quality in CNC operations. The single-row cylindrical structure provides optimal radial load capacity, supporting heavy cutting forces without deformation. Constructed from high-grade bearing steel, these components resist wear even under continuous operation, extending maintenance intervals. The separated inner and outer rings allow for precise axial adjustment, ensuring proper preload and maximizing bearing life in high-speed applications.

Why Genuine SKF Bearings Reduce Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but they often fail prematurely due to substandard materials and manufacturing. This leads to repeated replacements, increased labor costs, and unplanned production stops that far exceed the initial savings. Our genuine SKF bearings, backed by ISO 9001 and DIN standards, provide consistent performance over extended service life, reducing overall maintenance expenses and improving machine reliability.

Trusted by 800+ Global Industrial Clients

Our reputation is built on delivering authentic products and专业 engineering support. As an officially authorized SKF distributor, every bearing can be traced to the original manufacturing batch, with complete certification documentation provided on request. Our senior application engineering team, with years of on-site project experience, offers personalized bearing selection and working condition matching to ensure optimal performance. With clients in over 45 countries, including Germany, Switzerland, and the United States, we have established a global network for reliable delivery and support.

Packaging & Shipping

  • Original SKF packaging with protective carton and pallet reinforcement to prevent damage during transit
  • Standard delivery within 3-7 working days for in-stock items
  • Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
  • Real-time logistics tracking available for all orders
  • Minimum order quantity of 1 piece, ideal for emergency repairs and small-batch requirements

Get Your CNC Bearings Shipped Today

Don’t let bearing issues disrupt your production schedule. Send us your required model (N309EM, N310EM, or N311EM), application details, and quantity, and our team will provide a quote within one working day. With our ready stock and professional logistics solutions, you can have your bearings delivered quickly to minimize downtime.

Frequently Asked Questions

Q: Are these genuine SKF bearings?

A: Yes, we are an officially authorized SKF distributor, and all products come with full authorization certificates and traceable documentation to ensure authenticity.

Q: How do I confirm the correct bearing型号 for my CNC machine?

A: Our senior engineering team can assist with bearing selection. Provide your machine model or operating parameters (load, speed, temperature), and we’ll verify the optimal bearing型号 for your application.

Q: What is your warranty policy?

A: We offer the standard SKF manufacturer’s warranty, covering manufacturing defects. If a bearing fails due to material or production issues, we provide a full replacement or refund.

Q: What is the minimum order quantity?

A: We accept orders for 1 piece, making us ideal for emergency maintenance or small-batch requirements.

Q: How long does shipping take?

A: In-stock bearings are shipped within 3-7 working days via your preferred logistics method (DHL, FedEx, UPS, air, or sea freight).

Q: How can I verify the authenticity of the bearings?

A: Each bearing comes with SKF’s original packaging and laser-etched markings. We also provide certification documents and can guide you through SKF’s official verification process using product serial numbers.

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Procurement Process

From inquiry to lifecycle support

Our 5-step process ensures every order is engineered, validated, and supported for optimal performance.

01

Consultation

Technical needs assessment

02

Solution Design

Custom specifications

03

Sample & QC

Free samples for $50k+

04

Production

Pre-shipment inspection

05

Lifecycle Support

On-site & predictive

Request a Custom Quote

Get expert technical support for this product.

Our certified engineers respond within 24 hours with detailed technical specifications, pricing, and lead time information.

Response within 24 hours
Free samples for orders $50k+
Full technical documentation
No obligation, completely free
Direct Contact
info@skfiso.com
WhatsApp: +86 13963019862
No. 377 Bansongyuan Road, Shanghai, China
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