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NSK Ball Screws for High-Load Drive
HTF-SRD Type
1 Specifications
Recirculation system: Equipped with end deflector
Used with well accepted end deflectors, HTF-SRD type ball screws achieve the maximum feed speed of 1 600
mm/s. The ball nut body surface is completely round, thus enabling well balanced ball nut rotation.
Smoothly picks up balls in the direction they are moving. Picks up balls, forcibly
changing their direction.
End deflector type Existing return tube type
Allowable d·n value and feed speed
d·n: 120 000 or less
d·n: Shaft diameter d (mm) × Rotational speed (min-1)
Allowable feed speed of combinations of shaft diameter and lead Unit: mm/s
50
Lead (mm) 32 40
Shaft dia. (mm) —
—
50 — 1 600 1 250
63 1 000 1 250
80 — —
