THK Global

Rolled Ball Screw

Rolled Ball Screw

[Models JPF, BTK, MTF, BLK/WTF, CNF and BNT] 

Feature of Each Model (PDF 667KB)(English)

Dimensional Table (PDF 857KB)(English)

Rolled Rotary Ball Screw Model BLR

[Model BLR] 

Features and Descriptions (PDF 354KB)(English)

Dimensional Table (PDF 270KB)(English)

Models

Slim nut
Model JPF
This Ball Screw achieves zero-backlash through a constant preloading method by shifting the phase with the central part of a simple nut as the spring structure.
Standard nut
Model BTK
A compact, round type Ball Screw with a ball screw nut incorporated with a return pipe. The flange circumference is cut flat at the top and bottom, allowing the shaft center to be positioned low.
Miniature
Model MTF
A miniature type with a screw shaft diameter of φ6 to φ12 mm and a lead of 1 to 2 mm.
Square Nut
Model BNT
Since mounting screw holes are drilled on the square ball screw nut, this model can compactly be mounted on the machine without a housing.
Large Lead
Model BLK
With this Ball Screw, the shaft diameter is the same as the lead dimension.
Super Lead
Model WTF
Using an end-cap method, these models achieve stable motion in high-speed rotation.
Super Lead
(High Load )
Model CNF
With a combination of 4 rows of large-lead loaded grooves and a long nut, this Ball Screw achieves a long service life.
Large Lead Rotary nut
Model BLR
A nut-rotating ball screw that has an integrated structure consisting of a ball screw nut and a support bearing.