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SRA / SRZ SELECTOR CHARTS

   

SRA SERIES SELECTOR CHART - SCREWRAIL® LINEAR ACTUATORS
 
ScrewRail Inch Lead
**
Thread Lead Code Nominal Rail Diameter Nominal Screw Diameter Max. Drag Torque Life @ 1/4 Design Load x 106
(Non-Anti
-Backlash)
Torque-to-Move Lead Design Load Screw Inertia per Unit Length Equivalent Diameter* CAD Model
        inch       (mm)  

 inch  (mm)

 inch  (mm) oz.-in. (Nm) in. (cm) oz. in./lbs. (NM/Kg) lbs. (Kg) oz-in.sec.2/in. (KgM2/M) in. (mm)
SRA 03 0.050  (1.27) 0050 3/8  (9.5)  3/16  (4.8) 1.5 (0.014) 100 to 150
(250 to 380)
0.5 (0.007) 10 (5) .1 x 10-5
(.4 x 10-6)
30 (7.6) Download
SRA 03 0.100  (2.54) 0100 3/8  (9.5)  3/16  (4.8) 2.0 (0.018) 100 to 150
(250 to 380)
1.0 (0.016) 10 (5) .1 x 10-5
(.4 x 10-6)
30 (7.6)
SRA 03 0.250  (6.35) 0250 3/8  (9.5)  3/16  (4.8) 2.5 (0.020) 100 to 150
(250 to 380)
1.25 (0.019) 10 (5) .1 x 10-5
(.4 x 10-6)
30 (7.6)
SRA 03 0.375  (9.53) 0375

3/8  (9.5)

 3/16  (4.8) 3.0 (0.025) 100 to 150
(250 to 380)
2.0 (0.030) 10 (5) .1 x 10-5
(.4 x 10-6)
30 (7.6)
SRA 04 0.050  (1.27) 0050  1/2 (12.7) 1/4 (6.4) 2.0 (0.015) 150 to 200
(380 to 500)
0.5 (0.007) 25 (10) .3 x 10-5
(1.3 x 10-6)
.39 (9.9) Download
SRA 04 0.250  (6.35) 0250  1/2 (12.7) 1/4 (6.4) 3.0 (0.020) 150 to 200
(380 to 500)
1.5 (0.023) 25 (10) .3 x 10-5
(1.3 x 10-6)
.39 (9.9)
SRA 04 0.500 (12.70) 0500 1/2 (12.7) 1/4 (6.4) 4.0 (0.030) 150 to 200
(380 to 500)
2.5 (0.039) 25 (10) .3 x 10-5
(1.3 x 10-6)
.39 (9.9)
SRA 04 1.000 (25.40) 1000  1/2  (12.7) 1/4 (6.4) 5.0 (0.040) 150 to 200
(380 to 500)
4.5 (0.070) 25 (10) .3 x 10-5
(1.3 x 10-6)
.39 (9.9)
SRA 06 0.100  (2.54) 0100  3/4  (19.1) 3/8 (9.5) 3.0 (0.020) 180 to 280
(450 to 710)
1.0 (0.016) 50 (20) 1.5 x 10-5
(6.5 x 10-6)
.60 (15.2) Download
SRA 06 0.200  (5.08) 0200  3/4  (19.1)  3/8 (9.5) 4.0 (0.030) 180 to 280
(450 to 710)
1.5 (0.023) 50 (20) 1.5 x 10-5
(6.5 x 10-6)
.60 (15.2)
SRA 06 0.500 (12.70) 0500  3/4  (19.1)  3/8 (9.5) 5.0 (0.040) 180 to 280
(450 to 710)
2.5 (0.039) 50 (20) 1.5 x 10-5
(6.5 x 10-6)
.60 (15.2)
SRA 06 1.000 (25.40) 1000  3/4  (19.1)  3/8 (9.5) 6.0 (0.045) 180 to 280
(450 to 710)
4.5 (0.070) 50 (20) 1.5 x 10-5
(6.5 x 10-6)
.60 (15.2)
SRA 08 0.100  (2.54) 0100   1  (25.4)  1/2  (12.7) 4.0 (0.030) 280 to 320
(710 to 810)
1.0 (0.016) 100 (45) 5.2 x 10-5
(20.0 x 10-6)
.81 (20.5) Download
SRA 08 0.200  (5.08) 0200   1  (25.4)  1/2  (12.7) 5.0 (0.040) 280 to 320
(710 to 810)
1.5 (0.023) 100 (45) 5.2 x 10-5
(20.0 x 10-6)
.81 (20.5)
SRA 08 0.500 (12.70) 0500   1  (25.4)  1/2  (12.7) 6.0 (0.45) 280 to 320
(710 to 810)
2.5 (0.039) 100 (45) 5.2 x 10-5
(20.0 x 10-6)
.81 (20.5)
SRA 08 1.000 (25.40) 1000   1  (25.4)  1/2  (12.7) 8.0 (0.060) 280 to 320
(710 to 810)
4.5 (0.070) 100 (45) 5.2 x 10-5
(20.0 x 10-6)
.81 (20.5)
 

* ScrewRail® stiffness may be modeled using Classical Beam Deflection Theory with equivalent stainless steel beam of diameter given.

** Other leads available as custom orders.

 

SRZ SERIES SELECTOR CHART - SCREWRAIL® LINEAR ACTUATORS
 
ScrewRail Inch Lead
**
Thread Lead Code Nominal Rail Diameter Nominal Screw Diameter Max. Drag Torque Life @ 1/4 Design Load x 106
(Non-Anti
-Backlash)
Torque-to-Move Lead Design Load Screw Inertia per Unit Length Equivalent Diameter* CAD Model
  in. (mm)   inch (mm) inch (mm) oz.-in. (Nm) in. (cm) oz. in./lbs. (NM/Kg) lbs. (Kg) oz. in.sec.2/in. (KgM2/M) in. (mm)
SRZ 03 0.050 (1.27) 0050 3/8 (9.5) 3/16 (4.8) 2.0 (0.014) 50 to 80
(130 to 200)
0.5 (0.007) 10 (5) .1 x 10-5
(.4 x 10-6)
30 (7.6) Download
SRZ 03 0.100 (2.54) 0100 3/8 (9.5) 3/16 (4.8) 2.5 (0.018) 50 to 80
(130 to 200)
1.0 (0.016) 10 (5) .1 x 10-5
(.4 x 10-6)
30 (7.6)
SRZ 03 0.250 (6.35) 0250 3/8 (9.5) 3/16 (4.8) 3.0 (0.020) 50 to 80
(130 to 200)
1.25 (0.019) 10 (5) .1 x 10-5
(.4 x 10-6)
30 (7.6)
SRZ 03 0.375 (9.53) 0375 3/8 (9.5) 3/16 (4.8) 3.5 (0.025) 50 to 80
(130 to 200)
2.0 (0.030) 10 (5) .1 x 10-5
(.4 x 10-6)
30 (7.6)
SRZ 04 0.050 (1.27) 0050 1/2 (12.7) 1/4 (6.4) 3.0 (0.020) 75 TO 100
(190 TO 250)
0.5 (0.007) 25 (10) .3 x 10-5
(1.3 x 10-6)
.39 (9.9) Download
SRZ 04 0.250 (6.35) 0250 1/2 (12.7) 1/4 (6.4) 4.0 (0.030) 75 TO 100
(190 TO 250)
1.5 (0.023) 25 (10) .3 x 10-5
(1.3 x 10-6)
.39 (9.9)
SRZ 04 0.500 (12.70) 0500 1/2 (12.7) 1/4 (6.4) 5.0 (0.040) 75 TO 100
(190 TO 250)
2.5 (0.039) 25 (10) .3 x 10-5
(1.3 x 10-6)
.39 (9.9)
SRZ 04 1.000 (25.4) 1000 1/2 (12.7) 1/4 (6.4) 6.0 (0.045) 75 TO 100
(190 TO 250)
4.5 (.070) 25 (10) .3 x 10-5
(1.3 x 10-6)
.39 (9.9)
SRZ 06 0.100 (2.54) 0100 3/4 (19.1) 3/8 (9.5) 6.0 (0.045) 90 TO 140
(230 TO 350)
1.0 (0.016) 50 (20) 1.5 x 10-5
(6.5 x 10-6)
.60 (15.2) Download
SRZ 06 0.200 (5.08 0200 3/4 (19.1) 3/8 (9.5) 6.5 (0.047) 90 TO 140
(230 TO 350)
1.5 (0.023) 50 (20) 1.5 x 10-5
(6.5 x 10-6)
.60 (15.2)
SRZ 06 0.500 (12.70) 0500 3/4 (19.1) 3/8 (9.5) 7.0 (0.050) 90 TO 140
(230 TO 350)
2.5 (0.039) 50 (20) 1.5 x 10-5
(6.5 x 10-6)
.60 (15.2)
SRZ 06 1.000 (25.40) 1000 3/4 (19.1) 3/8 (9.5) 7.5 (0.053) 90 TO 140
(230 TO 350)
4.5 (0.070) 50 (20) 1.5 x 10-5
(6.5 x 10-6)
.60 (15.2)
SRZ 08 0.100 (2.54) 0100 1 (25.4) 1/2 (12.7) 8.0 (0.057) 120 to 160
(350 to 410)
1.0 (0.016) 100 (45) 5.2 x 10-5
(20.0 x 10-6)
.81 (20.5) Download
SRZ 08 0.200 (5.08) 0200 1 (25.4) 1/2 (12.7) 8.5 (0.060) 120 to 160
(350 to 410)
1.5 (0.023) 100 (45) 5.2 x 10-5
(20.0 x 10-6)
.81 (20.5)
SRZ 08 0.500 (12.70) 0500 1 (25.4) 1/2 (12.7) 9.0 (0.64) 120 to 160
(350 to 410)
2.5 (0.039) 100 (45) 5.2 x 10-5
(20.0 x 10-6)
.81 (20.5)
SRZ 08 1.000 (25.40)  1000 1 (25.4) 1/2 (12.7) 9.5 (0.067) 120 to 160
(350 to 410)
4.5 (0.070) 100 (45) 5.2 x 10-5
(20.0 x 10-6)
.81 (20.5)

* ScrewRail® stiffness may be modeled using Classical Beam Deflection Theory with equivalent stainless steel beam of diameter given.

** Other leads available as custom orders.