GQZ 7205ADB Single Row Angular Contact Ball Bearing, 30° A Contact Angle DB Back-To-Back Duplex Matched Bearing For CNC Machine Tool Spindles

The 7205ADB single row angular contact ball bearing is designed for medium-load CNC spindles, featuring 30° large A contact angle and DB back-to-back duplex matching for strong bidirectional axial rigidity.

It is widely used in machining equipment requiring heavy axial load and stable rotation precision.

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👉 Full technical data and drawings available upon request

• 30° large contact angle greatly improves axial load bearing capacity
• DB back-to-back pairing enhances double-direction axial rigidity and stability
• Duplex matched set eliminates assembly clearance for high precision
• Balanced radial & heavy axial load capacity for cutting equipment
• Custom precision grade, preload and lubrication solutions available

👉 Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• CNC machining center spindles
• Milling & drilling machine equipment
• Precision grinding machinery
• Automation processing equipment
• General high-rigidity transmission devices

👉 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 duplex matched angular contact bearings
• 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 ultra-fine grinding machining process
• Heat treatment hardness control
• Duplex matching preload & rotation precision testing
• Final dimensional full inspection before delivery

👉 Ensuring consistent performance for every bearing

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

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