71956A/DBA
-
- Bore Diameter(d) 280 mm
- Outer Diameter(D) 380 mm
- Width(B) 92 mm
-
- Dynamic Load Rating(Cr) 410 kN
- Static Load Rating(Cor) 745 kN
-
- Weight 33.2 kg
- Main Dimensions
- 280mm × 380mm × 92mm
- Bearing Type
- Single Row Angular Contact Ball Bearings
| Model | 71956A/DBA | |
|---|---|---|
| d | 280 mm | Inside Diameter(I.D.) |
| D | 380 mm | Outside Diameter(O.D.) |
| 2B | 92 mm | Width |
| r12 | 2.1 mm | |
| r34 | 1.1 mm | |
| Cr | 410 kN | Dynamic Load Rating |
| Cor | 745 kN | Static Load Rating |
| Mass | 33.2 Kg | Weight |
| Grease | 950 r/min | Limiting Speed (Grease Lubricated) |
| Oil | 1400 r/min | Limiting Speed(Oil Lubricated) |
Single Row Angular Contact Ball Bearings (Model: 71956A/DBA) with a standard contact angle of 40° are designed to handle combined radial and axial loads effectively. ideal for heavy axial loads and high stiffness requirements. The bearing has a bore diameter of 280mm, outer diameter of 380mm, and width of 92mm. With fillet radii of 2.1mm (r12) and 1.1mm (r34), it ensures smooth operation and structural integrity. It offers a dynamic load capacity of 410kN and static load capacity of 745kN. Suitable for high-speed applications, it has a limiting speed of 950 r/min (grease lubrication) and 1400 r/min (oil lubrication), with a weight of 33.2 kg. Ideal for precision machine tools, small to medium gearboxes, this bearing provides reliable performance in demanding industrial environments. Manufactured to strict quality standards, it delivers exceptional precision and durability under varying loads. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.
- Precision Rating
- P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
- Cage
- Steel cage
- Material
-
- GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
- GCr15SiMn
- GCr18Mo
- G20Cr2Ni4A
- Clearance
- C3 (standard), customizable to C0/C2/C4/C5
- Brand
- WJY / OEM Available
- Origin
- Wafangdian, China (Global bearing manufacturing hub with 30+ years expertise)
- Quality Standard
- ISO 9001:2015 Certified
- Delivery Time
-
- For in-stock own-brand bearings, Dalian JinYu HuaYang guarantees shipment arrangement within 3–5 days after payment confirmation.
- For OEM/ODM orders, the production and delivery lead time for a full container typically ranges from 20–35 days (depending on order complexity).
- Shipping Methods
- Ocean Freight/Land Transport
- Warranty
- We provide 12-month warranty for all our products.
- Pricing Information
- Bearings prices vary based on precision grade, raw materials, and market factors. For customized quotes, please submit an inquiry.