7219CDB/GMP4

The 7219CDB/GMP4 is a high-precision angular contact ball bearing, specifically a duplex set arranged in a back-to-back (DB) configuration. This arrangement provides excellent rigidity and the ability to accommodate combined radial and axial loads in both directions. With an inner diameter of 95mm, an outer diameter of 170mm, and a total width of 64mm (for the pair), it features a 15-degree contact angle ("C") optimized for high rotational speeds and precision applications. The "GM" likely indicates a reinforced molded polyamide cage, suitable for higher speeds and lower friction, while "P4" denotes a high precision class (ISO Class 4), ensuring tight tolerances and superior running accuracy. This bearing is commonly found in machine tool spindles, gearboxes, and other machinery where high speed, precision, and reliable performance under varying load conditions are critical.

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