7205ADB Angular Contact Ball Bearing 25×52×30mm DB Back‑to‑Back Paired 30° For Machine Tool Spindle Pump OEM

The 7205ADB is two sets of 7205A angular contact ball bearings mounted in back‑to‑back (DB) arrangement. It carries combined radial and bidirectional axial loads with high rigidity, suited for precision transmission.

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• DB back‑to‑back pairing for high rigidity and moment resistance
• 30° large contact angle for strong axial load capacity
• Carries radial and bidirectional axial loads simultaneously
• Preloaded matched set for improved running accuracy
• Non‑separable, supplied as a matched pair

👉 Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• Machine tool spindles
• Industrial pumps
• Gearboxes
• Air compressors
• High‑precision transmission equipment

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

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👉 Full technical data and drawings available upon request

• 25+ years experience in industrial bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & custom projects
• Strict quality control: raw material, precision machining, heat treatment, clearance & rotation testing, final inspection
• Fast response within 24 hours
• Stable supply for long‑term cooperation

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

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Q1: What does ADB stand for in 7205ADB?

A means 30° contact angle; DB means two bearings mounted in back‑to‑back arrangement for high rigidity.

Q2: Can 7205ADB bear bidirectional axial load?

Yes. DB paired arrangement carries both radial and bidirectional axial loads, plus tilting moment.

Q3: Do you support OEM private logo?

Yes, private logo printing is supported, certain MOQ required.

Q4: What is your warranty term?

12‑month warranty against manufacturing defects, excluding man‑made damage and improper installation.