L120 series performance

L120-10, -20 and -40

Drive options L120-10 L120-20 L120-40
inch mm inch mm inch mm
Type B4 bore and key 1.000-1/4X3/16(rect key) 25-8×6 1.875-1/2X3/8(rect key) 48-14×9 2.125-1/2X3/8(rect key) 53-16×10
.938-1/4X1/4(sq key) 1.813-1/4X1/4(sq key) 2.063-1/4X1/4(sq key)
Type B4 stem nut length 3.25 83 3.50 89 3.75 95
Type A1 threaded stem 1.25 32.8 2.25 57.2 2.63 66.8
Type A1 stem length 2.38 60 3.87 98 3.84 N/A
Type BL splined 1.25 – 6 and 38
splines
N/A 1.5 – 6 and 1.9 – 36splines N/A 2 – 6 and 1.5 – 8splines N/A
Type BL spline length 4.50 114 4.50 114 4.50 114
Mounting base MSS FA-10 ISO F-10 MSS FA-14 ISO F-14 MSS FA-14 ISO F-14
Pilot diameter 2.312 70 3.750 100 3.750 100
Mounting holes (Note 1) (4)38-16X.88 (4) M10x1.5×22.4 (4)58-11×1.25 (4) M16x2x32 (4)58-11×1.25 (4) M16x2x32
Bolt circle 4.016 102 5.500 140 5.500 140
Mounting base diameter 4.92 125 7.000 178 7.000 178
Handwheel ratios
Standard 1:1 Top Mount 1:1 Top Mount 1:1 Top Mount
Optional gear reduction 4.2:1 Side Mount 5.7:1 Side Mount 12:1 Side Mount

L120-85, -190 and -420

Drive options L120-85 L120-190 L120-420
inch mm inch mm inch mm
Type B4 bore and key 2.750-5/8X7/16(rect key) 70-20×12 2.875-3/4X1/2(rect key) 73-20×12 4.250-1X3/4(rect key) 108-28×16
2.625-5/8X5/8(sq key) 2.705-3/4X3/4(sq key) 4.125-1X1(sq key)
Type B4 stem nut length 6.00 152 3.50 210 9.38 238
Type A1 threaded stem 3.00 76 2.25 89 5.00 127
Type A1 stem length 4.88 124 8.25 210 9.38 238
Mounting base MSS FA-16 ISO F-16 MSS FA-30 ISO F-30 MSS ISO F-35
Pilot diameter 5.00 130 7 230 8.5 215.9
Mounting holes (Note 1) (4)38-10X1.0 (4) M20x2.5×24.5 (8)34-10×1.13 (8) M20x2.5×32 (8)78-9×1.75 (8) M30x3.5×1.75
Bolt circle 6.50 165 11.75 298 14.00 355.6
Mounting base diameter 8.25 222 13.50 343 16.00 406.4
Handwheel ratios
Standard 18:1 – 71:1 (Same as overall ratio) Side Mount 9:1, 22.3:1 11.07:1, 28.37:1
Optional gear reduction N/A 4:1 6:1

Note 1: Mounting holes straddle centerline.

Note 2: L120-85, -190, -420 and -800 are suitable for both torque and thrust applications.
L120-2000 is suitable for torque as standard; thrust units are optional.

 

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