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NSK · original
The 30TAC62CSUHPN7C is a high-precision single-row NSK angular contact ball bearing from the BSTC series for supporting ball screws with a 30 mm bore. It is among the most commonly used bearings in mid-size CNC machines, where a combination of high axial rigidity and fast positioning is required.
The 60° contact angle optimises the bearing's ability to carry the axial load generated by the ball screw during axis movement. The PN7C precision class ensures minimal run-out and stable thermal behaviour even during long operating cycles.
The universal SUHP design allows mounting in any paired configuration without selection.
The 30TAC62CSUHPN7C is found on the axes of mid-size CNC machining centres and lathes, typically for larger-diameter ball screws. It is usually fitted in a DB paired configuration for full axial fixing of the ball screw from one side.
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.
