Nut models: MPFD, MSFD
Unit: mm  

Remarks
1. We recommend NSK support unit WBK08-01A (square type, fixed side), WBK08S-01 (square type, simple support
side), and WBK08-11 (round type, fixed side).
2. NSK grease PS2 is recommended. Apply to the screw shaft surface when replenishing.
3. Permissible rotational speed is determined by a d • n value and a critical speed. See page B509.
Root diameter of screw shaft (

SolidComponents^TM

Nut models: MPFD, MSFD
Unit: mm

Remarks
1. We recommend NSK support unit WBK08-01A (square type, fixed side), WBK08S-01 (square type, simple support
side), and WBK08-11 (round type, fixed side).
2. NSK grease PS2 is recommended. Apply to the screw shaft surface when replenishing.
3. Permissible rotational speed is determined by a d • n value and a critical speed. See page B509.
Root diameter of screw shaft (dr) is 6

SolidComponents^TM

Nut models: MPFD, MSFD
Unit: mm  

Remarks
1. We recommend NSK support unit WBK08-01A (square type, fixed side), WBK08S-01 (square type, simple support
side), and WBK08-11 (round type, fixed side).
2. NSK grease PS2 is recommended. Apply to the screw shaft surface when replenishing.
3. Permissible rotational speed is determined by a d • n value and a critical speed. See page B509.
Root diameter of screw shaft (

SolidComponents^TM

Nut models: MPFD, MSFD
Unit: mm  

Remarks
1. We recommend NSK support unit WBK08-01A (square type, fixed side), WBK08S-01 (square type, simple support
side), and WBK08-11 (round type, fixed side).
2. NSK grease PS2 is recommended. Apply to the screw shaft surface when replenishing.
3. Nut does not have a seal.
4. Permissible rotational speed is determined by a d • n value and a critical speed. See page B509.

SolidComponents^TM

Nut models: MPFD, MSFD
Unit: mm  

Remarks
1. We recommend NSK support unit WBK06-01A (square type, fixed side), and WBK06-11 (round type, fixed side).
2. NSK grease PS2 is recommended. Apply to the screw shaft surface when replenishing.
3. Nut does not have a seal.
4. Permissible rotational speed is determined by a d • n value and a critical speed. See page B509.
Root diameter of screw shaft (dr) is 5.2 mm

SolidComponents^TM

Nut models: MPFD, MSFD
Unit: mm

Remarks:
1. We recommend NSK support unit WBK06-01A (square type, fixed side) or WBK06-11 (round type, fixed side).
2. NSK grease PS2 is recommended. Apply to the screw shaft surface when replenishing.
3. Nut does not have a seal.
4. Permissible rotational speed is determined by a d • n value and a critical speed. See page B509.
    Root diameter of screw shaft (dr) is 3

SolidComponents^TM