QJ3944X1 Technical Specifications
| ID | 220 mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 309.5 mm | Outside diameter(O.D.) |
| B | 60 mm | Width |
| rsmin | 3 mm | Minimum Fillet Radius |
| Grease speed | 900 r/min | Limiting speed (grease lubrication) |
| Oil speed | 1200 r/min | Limiting speed(oil lubrication) |
| Cr | 246 kN | Radial dynamic load rating |
| Cor | 412 kN | Radial static load rating |
| Mass | 14.8 Kg | Weight |
Product Description
Four Point Angular Contact Ball Bearings (Model: QJ3944X1 / 176744) are designed to handle combined radial and axial loads in both directions, providing high rigidity and precision. The bearing has a bore diameter of 220mm, outer diameter of 309.5mm, and a width of 60mm. The minimum fillet radius is 3mm. It offers a dynamic load capacity of 246kN and a static load capacity of 412kN. With a limiting speed of 900 r/min for grease lubrication and 1200 r/min for oil lubrication, and a weight of 14.8 kg, it suits various industrial setups. The mounting dimensions include a minimum inner ring diameter of 243mm, maximum outer ring diameter of 287mm, and maximum fillet radius of 2.5mm. Ideal for precision machine tools, small to medium-sized industrial gearboxes, this bearing ensures reliable operation in different machinery. Manufactured to high-quality standards, it delivers exceptional precision and durability under varying loads, supporting both radial and bidirectional axial load requirements. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.
Service
Shipping
Ocean Freight / Land Transport
Warranty
12-month warranty, extendable to 18 months.
Loading Port
Dalian Port or other nominated port
Packing
Export packing: tube + box + carton + wooden case
Order
Mixed models & small orders welcome
Image for reference only.
