Example Of A Complete Ballscrew
Type Of Lead Screw KGT - Carry Ball Screw
Type (d0xp) [mm]
Type of Nut (Nut Only)
ZYI - cylindrical single nut with single-thread ball return
ZYR - cylindrical single nut with tube type ball return
FGI - standard nut with mounting thread and single-thread
FGR - standard nut with mounting thread and tube type ball
FBI - flange type B single nut with single-thread ball return
FBR - flange type B single nut with tube type ball return
MSX - special design according to drawing
Right Hand / Left Hand ThreadRH - Right Hand Thread
LH - Left Hand Thread
Number of Ball Circulations (Nut Only)1 - 1 ball circulation
2 - 2 ball circulations
3 - 3 ball circulations
4 - 4 ball circulations
Wiper -Seal (Nut Only)S = with wiper (plastic or brush)
N = without wiper
Ball Screw Overall Length - mm (Screw Only)
Lead accuracy - Class (Screw Only)G9 ±0.1 mm/300 mm (standard)
G7 ±0.052 mm/300 mm (on special request)
G5 ±0.023 mm/300 mm (on special request)
Backlash (Nut Only)A - standard backlash (see dimensional charts)
R - reduced backlash upon specification
Screw & Machining (Screw Only)O - no end machining (cut by grinding, hardened ends; nut on mounting tube)
E - end machining according to drawing
AssemblyG - screw and nut separate
M - screw and nut assembled according to drawing/specified orientation
Example For Screw Only KGT 16x5 RH 350 G7 O G
Example For Nut Only KGT 16x5 FGI RH 3 S A G
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