THK - Ball Screw - High Efficiency Feed Screw
Product Announcement from THK America, Inc.
PRECISION, CAGED BALL SCREW
A Ball Screw that achieves low noise, small torque fluctuations and long-term maintenance-free operation by using a ball cage.
SBN, SBK, HBN
PRECISION BALL SCREW
A Ball Screw using a screw shaft ground to high accuracy.
BNK, BIF, DIK, BNFN, DKN, BLW, BNF, DK, MDK, BLK/WGF, BNT, DIR, BLR
PRECISION BALL SCREW / SPLINE
A Stroke/Rotary unit that has Ball Screw grooves and a Ball Spline groove crossing one another on a single shaft. The nuts of the Ball Screw and the Ball Spline have dedicated support bearings directly embedded on the circumference of the nuts.
BNS-A, BNS, NS-A, NS
ROLLED BALL SCREW
A Ball Screw using a screw shaft roll-formed to high accuracy.
JPF, BTK, MTF, BLK / WTF, CNF, BNT
The Support Unit comes in six types: models EK, FK, EF, and FF, which are standardized for standard Ball Screw assembly provided with finished shaft ends, and models BK and BF, which are standardized for ball screws in general. The Support Unit on the fixed side contains a JIS Class 5-compliant angular bearing provided with an adjusted preload.
EK, BK, FK, EF, BF, FF