GQZ 7005UCDB Single Row Angular Contact Ball Bearing, ULTAGE DB Back-To-Back Matched High Precision Bearing For CNC Machine Tool Spindles

The 7005UCDB angular contact ball bearing is designed for high-precision CNC spindles, adopting ULTAGE internal structure and DB back-to-back pairing for superior axial rigidity.

It is widely used in precision machining equipment requiring high speed and stable rotation accuracy.

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👉 Full technical data and drawings available upon request

• DB back-to-back matching enhances bidirectional axial rigidity
• Optimized ULTAGE structure lowers friction and heat buildup
• Supports high rotating speed with low vibration and noise
• Outstanding combined radial and axial load capacity
• Custom preload class, precision grade and lubrication available

👉 Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• CNC machine tool main spindles
• High-speed grinding equipment
• Precision automation machinery
• Electronic precision processing equipment
• Optical testing instruments

👉 Ideal for customers looking for reliable and long-life bearing solutions

• 25+ years experience in industrial bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & custom precision matched bearing projects
• Strict quality inspection before shipment
• Fast response within 24 hours
• Stable supply for long-term cooperation

👉 We focus on quality, reliability, and long-term partnership

• Raw material hardness inspection
• Precision grinding machining process
• Heat treatment hardness control
• Matching preload & rotation noise testing
• Final dimensional precision inspection before delivery

👉 Ensuring consistent performance for every bearing

Looking for a reliable bearing supplier?

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• Fast quotation within 24 hours
• Technical support from engineers
• Custom solution suggestions
• Competitive factory price

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