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NSK · original
The 20TAC47CSUHPN7C is a single-row NSK angular contact ball bearing from the BSTC series, specialised for axial loads and supporting ball screws. Its 60° contact angle provides exceptional axial rigidity while still handling combined loads.
The PN7C precision class corresponds to ISO P2 and guarantees minimal run-out, which is key to the positioning accuracy of the drives. The universal SUHP design allows mounting in DB, DF or DT paired arrangements without the need for special unit selection.
Bearings in this series are designed for high-speed operation and stable thermal behaviour in demanding CNC applications.
The 20TAC47CSUHPN7C is used to support ball screws on the X, Y, Z axes of CNC machining centres and lathes. It is normally fitted in a pair (a DB or DF arrangement) to take the bidirectional axial load of the ball screw.
One and the same machine can use three different bearings across its generations. That's why, before ordering, we verify the machine, the year of manufacture and the pair arrangement. What we'll need from you →
Send the type, year of manufacture and a photo of the nameplate — we'll verify the variant and send a quote, usually within 24 hours.
