SKF Bearing BSA 204 CGA

Product description of SKF Bearing BSA 204 CGA

SKF Bearing BSA 204 CGA, It belongs to SKF Bearing > Super-precision bearings > Angular contact thrust ball bearings for screw drives > Single direction > Super-precision.With high running accuracy, high-speed performance and high system rigidity, SKF super-precision bearings are ideal for machine tools and other precision applications such as rolling mills, racing cars and marine vessels. The bearings also minimize noise, vibration and heat generation.

With the widest assortment available, you get a choice of bearings to suit your specific performance need. We also offer bearing customization and global access to our application knowledge as well as service cent-res in 15 countries spread around the world.

Our assortment includes SKF trademarked Nitro-max steel grade (for certain designs) giving you three times longer service life than standard steel bearings. We also provide hybrid bearings with ceramic rolling elements, particularly suited for high-speed applications.

Features of SKF Bearing BSA 204 CGA, SKF Super-precision Single direction Angular contact thrust ball bearings for screw drives This lineup of bearing includes a basic series that meets ISO standards, and a specified series targeting machine tools.

A series of sealed angular contact ball bearings with prepacked grease is available. The Robust™ series of high performance bearings include, a wide lineup of bearings, ranging from highly rigid types to ultrahigh-speed types.

SKF Bearing BSA 204 CGA, SKF Single direction angular contact thrust ball bearings are designed to locate spindle shafts axially in both directions. These bearings are intended for mounting in combination with cylindrical roller bearings in the NN 30 K or N 10 K series in the same housing bore. This bearing combination simplifies machining of the housing bore.

SKF Bearing BSA 204 CGA, Single direction angular contact thrust ball bearings are manufactured with the same nominal bore size and outside diameter as corresponding cylindrical roller bearings. However, the outside diameter tolerance of the housing washers, combined with the housing bore diameter and geometric tolerances recommended for super-precision cylindrical roller bearings under light to normal load and rotating inner ring load (Seat tolerances for standard conditions) will result in an appropriate radial clearance in the housing bore. This clearance is sufficient to prevent radial loads from acting on the thrust bearing provided that its outer ring is not axially clamped in the housing.

Single direction angular contact thrust ball bearings are manufactured so that they have a suitable operating preload when mounted. Bearings in the BTM series are available with different preload: Light preload, designation suffix DBA Heavy preload, designation suffix DBB The preload is obtained during manufacturing by precisely adjusting the standout of the shaft washers / inner rings relative to their housing washers / outer rings. The preload values are listed in the product table and apply to new bearings prior to mounting. Bearing components and bearing sets must be kept together as supplied and mounted in the indicated order. For additional information, refer to Markings on bearings.

Effect of interference on preload When Single direction angular contact thrust ball bearings are mounted onto a shaft seat machined to the recommended h4Ⓔ diameter tolerance, a transition fit, which can be either a loose or an interference fit, will result. A loose fit will not affect preload. An interference fit increases preload. For additional information, contact the SKF application engineering service.

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