Manufactured by CHG Bearing, the 70/530DF is a precision Double Row Angular Contact Ball Bearings. Key dimensional parameters include a 530 mm bore diameter, a 780 mm outer diameter, and a 224 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
70/530DF - Double Row Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 70/530DF |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Double Row Angular Contact Ball Bearing |
| Number of Rows | Double Row |
| Load Direction | Combined |
| Dimensions | |
| Bore Diameter (d) | 530 mm |
| Width (B) | 224 mm |
| Outer Diameter (D) | 780 mm |
| Minimum Chamfer Dimension rmin | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1610 kN |
| Basic Static Load Rating C0 (kN) | 3620 kN |
| Material | |
| Mass (kg) | 329 kg |
| Cage Material | Brass |
70/530DF 780 mm 530 mm 224 mm Frequently Asked Questions about 70/530DF Double Row Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies 70/530DF with a precision bore diameter (d) of 530 mm, an outside diameter (D) of 780 mm, and a nominal ring width (B) of 224 mm. This configuration yields an effective cross-sectional wall thickness of 125.0 mm and an envelope ratio (D/d) of 1.47, delivering compact rigidity for OEM machinery housings.
To ensure optimum performance of CHG Bearing 70/530DF Double Row Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 530 mm bore. For the 780 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
To extend the trouble-free lifespan of CHG Bearing 70/530DF, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Beyond standard alloy steel, CHG Bearing can customize the 70/530DF Double Row Angular Contact Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
