Self-Aligning Roller Bearings SKF 21310ek 21314ek for CNC Machine Tools P4 Precision

Product Specifications

Application Industries

Minimize CNC Downtime with SKF 21310EK P4 Precision Bearings

CNC machine operators know the frustration of unexpected spindle failure—hours of production lost, maintenance crews scrambling, and deadlines slipping. Many face this because of substandard bearings that can’t handle continuous high-speed rotation or misalignment. Sourcing genuine precision bearings often means navigating multiple suppliers with long lead times, especially for P4 class components critical to machining accuracy.

Genuine SKF Self-Aligning Roller Bearings in Stock

Our SKF 21310EK self-aligning roller bearings solve these challenges with immediate availability. As an officially authorized SKF distributor, we maintain ready stock of P4 precision grade bearings, ensuring you get the exact component you need without production delays. These bearings excel in CNC machine spindles and gearboxes, where their double-row design and self-aligning capability compensate for shaft misalignment, reducing wear and extending equipment life.

Engineered for High-Precision Industrial Environments

Designed for radial load applications in demanding settings, the 21310EK bearings operate efficiently under continuous high-speed rotation typical in CNC machining centers. Their spherical aligning feature allows for up to 2 degrees of angular misalignment, making them ideal for equipment where shaft deflection or mounting errors are possible. Whether handling heavy cutting loads or maintaining tight tolerance machining, these high-precision roller bearings deliver consistent performance.

Technical Details That Define Reliability

The 21310EK’s P4 precision rating ensures minimal runout and vibration, critical for achieving the surface finish and dimensional accuracy required in precision manufacturing. With a 50mm bore diameter, 110mm outer diameter, and 27mm width, this bearing balances compact size with load capacity. The C0, C3, or C4 clearance options let you optimize performance for specific operating conditions—C3 clearance, for example, accommodates thermal expansion in high-temperature environments common in metalworking applications. Constructed from high-quality bearing steel, these components are built to withstand the rigors of industrial use.

Avoid the Hidden Costs of Counterfeit Bearings

Choosing non-genuine bearings may seem cost-effective initially, but the risks are substantial. Counterfeit SKF bearings often fail prematurely due to poor material quality and imprecise manufacturing, leading to unplanned downtime. A single spindle failure can cost thousands in lost production and repair expenses. Our bearings come with full traceability documentation, ensuring they meet SKF’s strict quality standards and ISO 9001 requirements. Investing in genuine P4 precision bearings reduces long-term maintenance costs and protects your equipment investment.

Why Global Manufacturers Trust Our Bearings

Packaging & Shipping

• Original SKF packaging with protective carton and pallet reinforcement
• Package Size: 13.00cm * 13.00cm * 4.70cm
• Package Gross Weight: 1.220kg
• Express delivery via DHL, FedEx, or UPS for urgent orders
• Real-time logistics tracking provided for all shipments
• Minimum order quantity: 1 piece, ideal for emergency maintenance

Get Your SKF 21310EK Bearing Today

Don’t let bearing issues disrupt your production schedule. Our SKF 21310EK P4 precision bearings are in stock and ready to ship. Send us your order details, including quantity and application requirements, and our team will provide a quote within one working day. Keep your CNC machines running at peak performance with genuine, high-precision bearings you can trust.

Frequently Asked Questions