Single Row Precision Angular Contact Ball Bearings P4s CNC Spindle Gcr15 Long Life

Product Specifications

Application Industries

Eliminate CNC Downtime with P4s Precision Angular Contact Ball Bearings

Nothing halts production faster than a spindle bearing failure. CNC operators know the frustration of unexpected downtime from low-quality bearings—missed deadlines, costly repairs, and compromised workpiece accuracy. Sourcing reliable precision bearings often means navigating minimum order quantities that tie up capital or waiting weeks for overseas shipments. For machine shops running 24/7, these delays aren’t just inconvenient—they directly impact your bottom line.

Precision Engineered for CNC Spindle Performance

Our Single Row Precision Angular Contact Ball Bearings deliver the reliability your CNC operations demand. With P4s precision grade and 15° contact angle, these bearings minimize runout and vibration, ensuring consistent machining accuracy even at high speeds. As an integrated bearing manufacturer with decades of export experience, we offer flexible ordering with 1 piece MOQ for standard bearings—no need to overstock. Whether you’re replacing a worn spindle bearing or stocking spares, we provide the right part when you need it.

Optimized for High-Speed CNC Operations

CNC spindles operate under extreme conditions—high rotational speeds, axial loads, and continuous duty cycles. These angular contact bearings are engineered to thrive in such environments, with a 15° contact angle that balances radial and thrust load capacity. The precision design (P4s grade) reduces heat generation during高速 rotation, extending both bearing life and maintenance intervals. For machining centers and grinders where spindle performance directly affects part quality, choosing the right bearing isn’t optional—it’s critical.

Technical Features That Drive Performance

The P4s precision rating ensures tight dimensional tolerances, with minimal variation in bore diameter, outer diameter, and width—critical for maintaining spindle concentricity. The 15° contact angle configuration is optimized for applications with combined radial and axial loads, common in CNC spindles during heavy cutting operations. Constructed from high-grade steel, these bearings offer superior wear resistance compared to standard alternatives, translating to longer service life under demanding conditions. Our manufacturing process includes full-process production supervision and dimensional detection in our in-house laboratory, ensuring each bearing meets ISO international standards.

Why Genuine Bearings Matter for CNC Reliability

Counterfeit bearings may save money upfront, but the hidden costs are staggering. A failed spindle bearing can damage expensive CNC components, require hours of disassembly, and idle production lines—costing far more than the price of a genuine part. Our bearings are manufactured to strict quality control standards, with incoming raw material inspection and comprehensive performance testing. We stand behind every product with a 12-month warranty, providing free replacement for qualified defective products. When you factor in reduced downtime, fewer repairs, and consistent performance, genuine precision bearings deliver lower total cost of ownership.

Your Trusted Partner for Bearing Solutions

Packaging & Shipping

• Carton pallet packaging for secure transportation
• Sample orders shipped within 3-5 working days
• Bulk orders delivered in 5-15 working days
• Multiple logistics options including express, air, and sea freight
• 1 piece MOQ for standard bearings, ideal for emergency replacements

Get Your CNC Spindle Bearings Today

Don’t let bearing issues slow your production. Send us your bearing model, CNC machine details, and required quantity, and our team will confirm specifications and provide a quote within 24 hours. With our flexible MOQ and fast delivery, you can keep spare bearings on hand or replace a failed unit quickly—minimizing downtime and maximizing productivity.

Frequently Asked Questions