Manufactured by CHG Bearing, the 7030B/DF is a precision Double Row Angular Contact Ball Bearings. Key dimensional parameters include a 150 mm bore diameter, a 225 mm outer diameter, and a 70 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.

7030B/DF - Double Row Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 7030B/DF |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Double Row Angular Contact Ball Bearing |
| Number of Rows | Double Row |
| Load Direction | Combined |
| Dimensions | |
| Bore Diameter (d) | 150 mm |
| Width (B) | 70 mm |
| Outer Diameter (D) | 225 mm |
| Minimum Chamfer Dimension rmin | 2.1 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 198 kN |
| Basic Static Load Rating C0 (kN) | 275 kN |
| Material | |
| Mass (kg) | 9.49 kg |
| Cage Material | Grade 30 Steel |
7030B/DF 225 mm 150 mm 70 mm Frequently Asked Questions about 7030B/DF Double Row Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model 7030B/DF is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 150 mm) and steep thermal gradients between inner and outer rings.
Absolutely. The CHG Bearing 7030B/DF Double Row Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 7030B/DF, FAG 7030B/DF, NSK 7030B/DF. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Sourcing 7030B/DF directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Double Row Angular Contact Ball Bearings.
Each 7030B/DF produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (150 mm bore side) ensures perfect planar contact without edge binding.
