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Ball Screws (Precision & Rolled)

Ball Screws

TECHNICAL SUPPORT

The Ball Screw is a high-efficiency method of converting rotary motion to linear motion by using a recirculating ball mechanism between the screw shaft and the nut. Compared with a conventional sliding screw, the ball screw requires driving torque of one-third or less, making it ideal for saving drive motor power.

Products

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.
Model Number(s)
SBN, SBK, SDA, HBN, SBKH

CAD Service Life Calculation (Ball Screw) Details / Product lineup

Rolled Ball Screw

A Ball Screw using a screw shaft roll-formed to high accuracy.
Model Number(s)
JPF, BTK, MTF, BLK / WTF, CNF, BNT

CAD Service Life Calculation (Ball Screw) Details / Product lineup

Precision Ball Screw

A Ball Screw using a screw shaft ground to high accuracy.
Model Number(s)
BIF, DIK, BNFN, DKN, BLW, BNF, DK, MDK, BLK/WGF, BNT, DIR, BLR

CAD Service Life Calculation (Ball Screw) Details / Product lineup

Finished Shaft Ends Model BNK

For this model, screw shafts with a screw shaft outer diameter 4 to 25 mm and a lead 1 to 20 mm are available as the standard.

CAD Service Life Calculation (Ball Screw) Details / Product lineup

BIF Unfinished Shaft End

This type of ball screw is mass produced by cutting the standard screw shafts of precision ball screws to regular lengths. Additional machining of the shaft ends can be performed easily. To meet various intended purposes.
Model Number(s)
BIF, MDK, MBF, BNF

Details / Product lineup

Pre-Machined Ground Ball Screws

Precision Ball Screw with finished shaft ends. Combines with dedicated
support units to reduce design and assembly time.
Model Number(s)
SDA-VZ

Details / Product lineup

Nut Bracket

The nut bracket is standardized for standard Ball Screw assembly provided with finished shaft ends. This model is designed to be secured directly on the table using bolts. Since the height is low, it can be mounted on the table only using bolts.
Model Number(s)
MC

Details / Product lineup

Lock Nut

The Lock Nut for Ball Screws is capable of easily fastening the screw shaft and the bearing with high accuracy. A loosening prevention mechanism comprising a hexagonal socket-head setscrew and a set piece prevents the Lock Nut from loosening and ensures firm fastening.
Model Number(s)
RN

Details / Product lineup

Support Unit

The Support unit comes in six types: Model EK, FK, EF, and FF, which are standardized for standard Ball Screw assembly provided with finished shaft end, and models BK and BF, which are standardized for ball screw general. The Support Unit on the fixed side contains a JIS Class 5-compliant angular bearing provided with an adjusted preload.
Model Number(s)
EK, BK, FK, EF, BF, FF q

Details / Product lineup
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