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Barden/FAG engineers developed the ZSB small ball angular contact shielded series spindle bearings to allow machine tools to operate at higher running speeds (up to 20% more) while maintaining optimum work piece finish characteristics. The small ball feature of the ZSB series allows a greater number of balls to be used, increasing bearing stiffness, which leads to improved machining accuracy at higher speeds.
Barden's ZSB series offers optional integral shields which reduce the chances of bearing failure through contamination and prolong lubricant life when bearings are grease lubricated. Shields are available as an option on all sizes.
The inner ring outside diameter land is removed from one side and the outer ring bore diameter land is removed from the opposite side. This allows for optimum exposure and flow through characteristics for air/oil lube systems, and increased storage areas for shielded grease lubed bearings. Also available in HS(S) and HC(S) types.