Supernuts & Lead Screws
 
Ball Screws
3/8" to 3/4" - Spec's
3/8" to 3/4" - Nut Dim's
3/8" to 3/4" - Preloaded Dim's
1" to 1 1/2" - Spec's
1" to 1 1/2" - Nut Dim's
1" to 1 1/2" - Preloaded Dim's
2" to 4" - Spec's
2" to 4" - Nut Dim's
2" to 4" - Preloaded Dim's
4mm to 14mm Miniature
16mm to 38mm Ground
25mm to 50mm Ground
 
Drive Assemblies
NEMA 17 Motor Mount
NEMA 23 Motor Mount
NEMA 34 Motor Mount
NEMA 42 Motor Mount
Flange Mount Bearing
Base Mount Bearing
 
Stock Stages
T23 Stock Stage
T34 Stock Stage
T42 Stock Stage
 
Round Rail Guides
Full Support - Std Block
Full Support - Twin Block
End Support - Std Block
End Support - Twin Block
 
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Beam Style Couplers
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Mounting Flanges
Grease
 








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Assembly
No.
Axial
Load*
F S A C1 C2 D ± 0.000
0.001
H K1 K2 M1 M2 N1 N2 P1 P2 B1 B2
B6BF 230 lbs 0.40 — 0.63 — 1.00 0.187 0.512 0.216 thru
.37 cbore
.43 deep
— — 1.66 — 0.98 — 1.18 — 0.78
B6BS 0.19 0.37 0.22 thru 1.66 0.95 1.26 0.39
B6BE — — — — — — —
B8BF 326 lbs 0.45 — 0.63 — 1.18 0.250 0.669 0.260 thru
.43 cbore
.47 deep
— — 2.05 — 1.26 — 1.50 — 1.02
B8BS 0.25 0.50 0.26 thru 2.01 1.18 1.50 0.51
B8BE — — — — — — —
B12BF 680 lbs 0.47 — 0.75 — 1.40 0.375 0.984 0.354 thru
.55 cbore
.43 deep
— — 2.76 — 1.70 — 2.05 — 1.38
B12BS 0.31 0.62  0.35 thru 2.76 1.69 2.13 0.60
B12BE — — — — — — —
B15BF 760 lbs 0.49 — 0.75 — 1.67 0.500 1.181 0.433 thru
.67 cbore
.59 deep
— — 3.15 — 1.97 — 2.36 — 1.58
B15BS 0.31 0.62 0.35 thru  3.15 2.00 2.44 0.71
B15BE — — — — — — —
B20BF 1,852 lbs 0.39 — 1.00 — 2.44 0.625 1.181 0.433 thru
.67 cbore
.59 deep
— — 3.74 — 2.28 — 2.95 — 1.77
B20BS 0.50 1.00  0.43 thru 3.74 2.44 3.07 0.79
B20BE — — — — — — —
†Note flange radius. Some flanges may interfere with the mounting surface.
*Maximum assembly load. Do not exceed the dynamic load rating of the lead nut.
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