SKF - Linear Motion Standard Range
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3 Ball & roller screws<br />
Precision rolled ball screws<br />
Ordering key<br />
/ - /<br />
Nut type:<br />
Miniature screw, axial play,<br />
recirculation by inserts<br />
SD<br />
Miniature screw, backlash elimination,<br />
recirculation by inserts<br />
BD<br />
Miniature screw, axial play,<br />
recirculation by integrated tube<br />
SH<br />
Miniature screw, axial play, stainless steel SDS<br />
Miniature screw, backlash elimination,<br />
stainless steel<br />
BDS<br />
Miniature screw, axial play, stainless steel<br />
recirculation by integrated tube<br />
SHS<br />
Universal screw, axial play<br />
SX<br />
Universal screw, backlash elimination BX<br />
Precision screw, axial play, DIN nut SND<br />
Precision screw, backlash elimination,<br />
DIN nut<br />
BND<br />
Precision screw, preloaded, DIN nut PND<br />
Precision screw, axial play, cylindrical flange SN<br />
Precision screw, backlash elimination,<br />
cylindrical flange<br />
BN<br />
Precision screw, preloaded, cylindrical flange PN<br />
Long lead screw, axial play<br />
SL<br />
Long lead screw, backlash elimination TL<br />
Long lead screw, axial play, DIN nut SLD<br />
Long lead screw, backlash elimination,<br />
DIN nut<br />
TLD<br />
Rotating nut with axial play<br />
SLT<br />
Rotating nut with backlash elimination TLT<br />
Nominal diameter ¥ lead (mm)<br />
Hand:<br />
Right<br />
Left (on request)<br />
R<br />
L<br />
Threaded length / Total length (mm)<br />
Lead precision:<br />
G5, G7, G9<br />
Nut orientation:<br />
Nut threaded nose or nut flange towards shorter machined end of shaft (S)<br />
Nut threaded nose or nut flange towards longer machined end of shaft (L)<br />
In case of identical machining at both shaft ends (–)<br />
Machined end combination:<br />
See page 138‐141<br />
Required lengths for AA, SA, UA (both ends):<br />
See page 138 **/**<br />
Options:<br />
With wipers<br />
Without wipers<br />
Safety ring (for miniature ball screws only)<br />
Reduced axial play<br />
WPR<br />
NOWPR<br />
RING<br />
REDPLAY<br />
Example:<br />
PND<br />
32¥5 R 330 / 380 G7 L - SA +K 30 / 20<br />
NOWPR<br />
Symbols, see page 191<br />
124
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