Wuxi Guangqiang Bearing Trade Co.,Ltd
| Bearing Model | 7205‑ADB |
| Certifiion | ISO9001:2015 |
| Supply Ability | 100000 Sets per month |
| Material | GCr15 Chrome Bearing Steel |
| Inner diameter（d） | 25mm |
| Delivery Time | 3-5 working days |
| Outer diameter（D） | 52mm |
| Payment Terms | T/T |
| Packaging Details | in individual packing box |
| Width（B） | 30mm |
| Model Number | 7205‑ADB |
| Brand Name | GQZ /OEM |
| Place of Origin | China |
| Certification | ISO9001:2015 |
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Product Specification
| Bearing Model | 7205‑ADB | Certifiion | ISO9001:2015 |
| Supply Ability | 100000 Sets per month | Material | GCr15 Chrome Bearing Steel |
| Inner diameter（d） | 25mm | Delivery Time | 3-5 working days |
| Outer diameter（D） | 52mm | Payment Terms | T/T |
| Packaging Details | in individual packing box | Width（B） | 30mm |
| Model Number | 7205‑ADB | Brand Name | GQZ /OEM |
| Place of Origin | China | Certification | ISO9001:2015 |
| High Light | 7205-ADB duplex angular contact bearing ，angular contact ball bearing 25x52x30mm ，machine tool spindle bearing with duplex | ||
*Need a quick quote? Just send us your bearing model & quantity — we’ll get back to you fast.
| Item | Value |
|---|---|
| Model | 7205‑ADB |
| Inner Diameter (d) | 25 mm |
| Outer Diameter (D) | 52 mm |
| Total Set Width | 30 mm |
| Single Bearing Width | 15 mm |
| Contact Angle | 30° (A‑type) |
| Dynamic Load (Set) | 26.2 kN |
| Static Load (Set) | 20.6 kN |
| Matching Arrangement | DB Back‑to‑Back Duplex |
| Seal Type | Open Type |
| Material | GCr15 Bearing Steel |
| Limiting Speed (Grease) | 13000 r/min |
| Limiting Speed (Oil) | 18000 r/min |
| Weight (Set) | 0.27 kg |
Fit for precision machinery requiring high rigidity and dual‑direction axial support:
*Ready stock. Short lead time. Fast delivery. Send us your bearing list and let’s get started!
Q: What does ADB stand for?
A1: A means 30° contact angle, DB means back‑to‑back duplex matched arrangement.
Q: Does 7205‑ADB need manual preload adjustment?
A2: No, it is factory pre‑matched and pre‑loaded, can be mounted directly.
Q: Can this set take two‑way axial load?
A3: Yes, DB back‑to‑back arrangement supports bidirectional axial loads.
Q: Is this bearing sealed?
A4: It is open‑type, proper oil or grease lubrication must be applied.
*Need custom bearings? Share your drawings, specifications or requirements — we’ll find the right solution for you.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
1989
Total Annual:
1000000-10000000
Employee Number:
10~100
Ecer Certification：
Verified Supplier
Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad... Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...
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