Manufactured by CHG Bearing, the 71930CM/DB is a precision Double Row Angular Contact Ball Bearings. Key dimensional parameters include a 150 mm bore diameter, a 210 mm outer diameter, and a 56 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.

71930CM/DB - Double Row Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71930CM/DB |
| 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) | 56 mm |
| Outer Diameter (D) | 210 mm |
| Minimum Chamfer Dimension rmin | 2 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 245 kN |
| Basic Static Load Rating C0 (kN) | 240 kN |
| Material | |
| Mass (kg) | 5.88 kg |
| Cage Material | Brass |
71930CM/DB 210 mm 150 mm 56 mm Frequently Asked Questions about 71930CM/DB Double Row Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 71930CM/DB 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.
To extend the trouble-free lifespan of CHG Bearing 71930CM/DB, 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.
Absolutely. The CHG Bearing 71930CM/DB Double Row Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71930CM/DB, FAG 71930CM/DB, NSK 71930CM/DB. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Each 71930CM/DB 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.
