Description
Nut models: UPFC, USFC
Unit: mm
Remarks
1. We recommend NSK support unit WBK20-01A (square type, fixed side), WBK20S-01 (square type, simple support
side), and WBK20-11 (round type, fixed side).
2. NSK grease LR3 is recommended. The amount for replenishing should be about 50% of nut internal space capacity.
3. Nut does not have a seal.
4. Permissible rotational speed is determined by a d • n value and a critical spee