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The 70BNR10ETDUELP4Y is a super-precision angular contact ball bearing from NSK's ROBUST series, featuring an 18° contact angle and phenolic resin cage. This duplex universal set consists of two flush-ground bearings (70mm bore, 110mm OD, 40mm set width) with extra light preload and ISO Class 4 (ABEC 7) precision, suitable for back-to-back, face-to-face, or tandem mounting configurations.
Super-precision angular contact ball bearings in duplex arrangements are commonly used in machine tool spindles, precision grinding equipment, and high-speed rotating machinery where rigidity, accuracy, and radial-axial load capacity are critical. The open design and matched set configuration enable optimized performance in precision manufacturing applications.
For large orders ($2000+) please inquire by email.
