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The 120BNR10STDUELP4Y is a super-precision angular contact ball bearing from NSK's ROBUST series, featuring a 120mm bore, 180mm outside diameter, and 18° contact angle. This duplex universal set includes two flush-ground bearings manufactured to ISO Class 4 (ABEC 7) precision with extra light preload, suitable for mounting in back-to-back, face-to-face, or tandem configurations.
Super-precision angular contact bearings are designed for high-speed machine tool spindles, precision grinding equipment, and other applications requiring exceptional rotational accuracy and rigidity. The phenolic resin cage and open design make this bearing suitable for grease or oil-mist lubrication systems in demanding machining environments.
For large orders ($2000+) please inquire by email.
