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K Series Universal Rod Style Linear Actuator

K60 Performance Specifications - NOTE: Updated Inertias as of 11-4-2011 -

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K 60 Model
 Frame Size
mm (inch)
 Screw Lead mm (inch) Force at 1 million inches (25 mm) of Travel1
kN (lbf)		 Speed @ Max Rated RPM mm/sec (in/sec) Dynamic Load Rating N (lbf) Max Allowable Input Torque4   Nm (lbf-in) Max Rated Input RPM
Roller Screw Models
KM60-xx05 60
(2.36)		 5
(0.1968)		 13.0
(2923)		 416
(16.4)		 7664
(1723)		 5.94
(52.6)		 5000
KM60-xx10 60
(2.36)		 10
(0.3937)		 
23.1
(7216)
 
833
(32.8)
 
6788
(1526)
 5.94
(52.6)		 5000

KX60-xx05

 60
(2.36)		 5
(0.1968)

17.9
(4024)

 416
(16.4)		 10500
(2360)		 5.94
(52.6)		 5000

KX60-xx10

 60
(2.36)		 10
(0.3937)

31.6
(7104)

 833
(32.8)		 9300
(2091)		 
5.94 
(52.6)
5000
KT60 Contact Exlar for K60 Specifications
Acme Screw Model2

KA60-01

 60
(2.36) 
2.54 
(0.1)
 
3.7
(832)
 
27
(1.1)
 N/A 
5.94 
(52.6)
 6503

KA60-02

 60
(2.36)		 
5.08
(0.2)
 
3.1
(697)
 
54
(2.2)
 N/A 
5.94 
(52.6)
 6503
1. The L10 expected life of a roller screw linear actuator is expressed as the linear travel distance that 90% of properly maintained roller screws manufactured are expected to meet or exceed.  For higher than 90% reliability, the result should be multiplied by the followinig factors: 95% x 0.62; 96% x 0.53; 97% x 0.44; 98% x 0.33; 99% x 0.21.  This is not a guarantee and these values should be used for estimation purposes only.  The formula that defines this value is: Travel Life in millions of mm, where: C = dynamic load rating (N); F = cubic mean applied load (N); S = Roller screw's lead.  L10 = (C/F)3 x S =
2. Acme screw life expectancy: As a result of the high friction inherent to acme screws, life expectancy is unpredictable.  Load, duty cycle, speed, temp, and lubrication all affect the amount of heat generated and thread wear by the acme nut which ultimately determines the life of the mechanism.  Acme screws typically have lower life expectancies than roller screws and should only be used in low duty cycle applications.
3. P x V for ACME screws should be kept below 0.1  P = Force/Max Force; V = Speed/max Speed
4. Input torque should be limited such that max force is not exceeded.  For a parallel belt ratio, the input torque ratings must be divided by the belt ratio for allowable motor torque.  The output force ratings remain the same.

KM60KX60KA60KT60
Nominal Backlash mm (inch)
 0.2 (0.008) 0.2 (0.008) 0.356 (0.014) Consult Exlar
Lead Accuracy µm/1000 mm (in/ft)
 G9: 200 (0.0024) G9: 200 (0.0024) N/A
Maximum Radial Load lb (N)
 See Chart
Environmental Rating: Standard
 IP65
Maximum Operating Temperature °C (°F)
 80°C (175° F)
Weights    
Base Unit  - Zero Stroke  1.7 (3.7)
Adder per mm of Stroke  0.008 (0.017)
Adder for Inline (excluding motor)  0.42 (0.93)
Adder for Parallel Drive (excluding motor) 0.73 (1.6)
Adder for Front Flange 0.42 (0.93)
Adder for Front Flange with 1:1 Reduction
 0.54 (1.19)
Adder for Front Flange with 2:1 Reduction 2.16 (4.79)
Adder for Rear Clevis

0.44 (0.98)
Adder for Rear Eye

0.30 (0.67)
Adder for Front/Rear Angle Mounts

0.24 (0.54)
Adder for 2 Trunnions

0.37 (0.82)
Adder for Foot Mounts 0.45 (1)

K 60 Inertias
K60 Model5 mm Lead kg-m2 (lbf-in-sec2)Add per 25 mm, 5 mm Lead kg-m2 (lbf-in-sec2)
Base Unit - Input Drive Shaft Only 1.480 x 10-5 (1.31 x 10-4) 1.022 x 10-6 (9.045 x 10-6)
Inline Unit - w/Motor Coupling 2.702 x 10-5 (2.39 x 10-4)
1.022 x 10-6 (9.045 x 10-6)
1:1 Reduction Belt Drive (66 mm)
4.339 x 10-5 (3.84 x 10-4) 1.022 x 10-6 (9.045 x 10-6)
1:1 Reduction Belt Drive (86 mm) 7.378 x 10-5 (6.53 x 10-4) 1.022 x 10-6 (9.045 x 10-6)
1:1 Reduction Belt Drive (96 mm)
8.564 x 10-5 (7.58 x 10-4) 1.022 x 10-6 (9.045 x 10-6)
1.5:1 Reduction Belt Drive (86 mm)
5.014 x 10-5 (4.44 x 10-4)
4.542 x 10-7 (4.020 x 10-6)
2:1 Reduction Belt Drive 96 mm)
7.095 x 10-5 (6.28 x 10-4)
2.555 x 10-7 (2.261 x 10-6)
 10 mm Lead kg-m2 (lbf-in-sec2)Add per 25mm, 10 mm Lead kg-m2 (lbf-in-sec2)
Base Unit - Input Drive Shaft Only 1.616 x 10-5 (1.43 x 10-4)
1.173x 10-6 (1.038 x 10-5)
Inline Unit - w/Motor Coupling
2.837 x 10-5 (2.51 x 10-4) 1.173x 10-6 (1.038 x 10-5)
1:1 Reduction Belt Drive (66 mm) 4.474 x 10-5 (3.96 x 10-4) 1.173x 10-6 (1.038 x 10-5)
1:1 Reduction Belt Drive 86 mm) 7.514 x 10-5 (6.65 x 10-4) 1.173x 10-6 (1.038 x 10-5)
1:1 Reduction Belt Drive (96 mm) 8.704 x 10-5 (7.70 x 10-4) 1.173x 10-6 (1.038 x 10-5)
1.5:1 Reduction Belt Drive (86 mm) 5.075 x 10-5 (4.49 x 10-4) 5.211 x 10-7 (4.613 x 10-6)
2:1 Reduction Belt Drive (96 mm) 1.966 x 10-5 (1.74 x 10-4) 2.931 x 10-7 (2.595 x 10-6)

K90 Performance Specs -

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K 90 Model
 Frame Size
mm (inch)
 Screw Lead mm (inch) Force at 1 Million inches (25 million mm) of Travel1
kN (lbf)		 Speed @ Max Rated RPM mm/sec (in/sec) Dynamic Load Rating N (lbf) Max Allowable Input Torque4   Nm (lbf-in) Max Rated Input RPM
Roller Screw Models
KM90-xx05 90
(3.54)		 5
(0.1968)		 59.0
(13264)		 250
(9.84)		 34696
(7800)		 15.48
(137.07)		 3000
KM90-xx10 90
(3.54)		 10
(0.3937)		 
105.9
(23807)
 
500
(19.68)
 
31137
(7000)
 15.48
(137.07)		 3000

KX90-xx05

 90
(3.54)		 5
(0.1968)		 83.2
(18704)		 250
(9.84)		 48930
(11000)		 15.48
(137.07)		 3000

KX90-xx10

 90
(3.54)		 10
(0.3937)		 
166.5
(37431)
 500
(19.68)		 48930
(11000)		 15.48
(137.07)		 3000
KT90 Contact Exlar for K60 Specifications
Acme Screw Model2

KA90-01

 90
(3.54)		 
2.54 
(0.1)
 
6.9
(1551)
 
27
(1.06)
 N/A 15.48
(137.07)		 6503

KA90-02

 90
(3.54)		 
5.08
(0.2)
 
5.7
(1281)
 
54
(2.20)
 N/A 15.48
(137.07)		 6503
1. The L10 expected life of a roller screw linear actuator is expressed as the linear travel distance that 90% of properly maintained roller screws manufactured are expected to meet or exceed.  For higher than 90% reliability, the result should be multiplied by the followinig factors: 95% x 0.62; 96% x 0.53; 97% x 0.44; 98% x 0.33; 99% x 0.21.  This is not a guarantee and these values should be used for estimation purposes only.  The formula that defines this value is: Travel Life in millions of mm, where: C = dynamic load rating (N); F = cubic mean applied load (N); S = Roller screw's lead.  L10 = (C/F)3 x S =
2. Acme screw life expectancy: As a result of the high friction inherent to acme screws, life expectancy is unpredictable.  Load, duty cycle, speed, temp, and lubrication all affect the amount of heat generated and thread wear by the acme nut which ultimately determines the life of the mechanism.  Acme screws typically have lower life expectancies than roller screws and should only be used in low duty cycle applications.
3. P x V for ACME screws should be kept below 0.1  P = Force/Max Force; V = Speed/max Speed
4. Input torque should be limited such that max force is not exceeded.  For a parallel belt ratio, the input torque ratings must be divided by the belt ratio for allowable motor torque.  The output force ratings remain the same.

KM90KX90KA90KT90
Nominal Backlash mm (inch)
 0.2 (0.008) 0.2 (0.008) 0.356 (0.014) Consult Exlar
Lead Accuracy µm/1000 mm (in/ft)
 G9: 200 (0.0024) G9: 200 (0.0024) N/A
Maximum Radial Load lb (N)
 See Chart
Environmental Rating: Standard
 IP65
Maximum Operating Temperature °C (°F)
 80°C (175° F)
Weights    
Base Unit  - Zero Stroke  5.42 (11.96)
Adder per mm of Stroke  0.016 (0.0366)
Adder for Inline (excluding motor)  0.51 (3.35)
Adder for Parallel Drive (excluding motor) 2.62 (5.80)
Adder for Front Flange 1.54 (3.40)
Adder for Front Flange with 1:1 Reduction
 2.16 (4.79)
Adder for Front Flange with 2:1 Reduction 2.86 (6.31)
Adder for Rear Clevis

1.45 (3.21)
Adder for Rear Eye

1.13 (2.494)
Adder for Front/Rear Angle Mounts

0.90 (1.97)
Adder for 2 Trunnions

0.80 (1.768)
Adder for Foot Mounts 1.71 (3.78)
K 90 Inertias
K90 Model5 mm Lead kg-m2 (lbf-in-sec2)Add per 25 mm, 5 mm Lead kg-m2 (lbf-in-sec2)
Base Unit - Input Drive Shaft Only 2.97 x 10-4 (2.63 x 10-3) 1.11 x 10-5 (9.80 x 10-5)
Inline Unit - w/Motor Coupling 3.84 x 10-4 (3.40 x 10-3)
1.11 x 10-5 (9.80 x 10-5)
1:1 Reduction Belt Drive (96 mm)
5.12 x 10-4 (4.53 x 10-3) 1.11 x 10-5 (9.80 x 10-5)
1:1 Reduction Belt Drive (130 mm) 1.52 x 10-3 (1.35 x 10-2) 1.11 x 10-5 (9.80 x 10-5)
2:1 Reduction Belt Drive 130 mm)
7.29 x 10-4 (6.45 x 10-3)
2.77 x 10-6 (2.45 x 10-5)
 10 mm Lead kg-m2 (lbf-in-sec2)Add per 25mm, 10 mm Lead kg-m2 (lbf-in-sec2)
Base Unit - Input Drive Shaft Only 3.00 x 10-4 (2.66 x 10-3)
1.13x 10-5 (1.00 x 10-4)
Inline Unit - w/Motor Coupling
3.87 x 10-4 (3.43 x 10-3) 1.13x 10-5 (1.00 x 10-4)
1:1 Reduction Belt Drive (96 mm) 5.15 x 10-4 (4.56 x 10-3) 1.13x 10-5 (1.00 x 10-4)
1:1 Reduction Belt Drive 130 mm) 1.53 x 10-3 (1.35 x 10-2) 1.13x 10-5 (1.00 x 10-4)
2:1 Reduction Belt Drive (130 mm) 7.30 x 10-4 (6.46 x 10-3) 2.82 x 10-6 (2.50 x 10-5)

Other Products

K Series Universal Rod Style Linear Actuator

Ordering Guide

K AA-BBBB-CC-DE-FFF-GGG - (XX..XX - #####)

Actuator Series 
KT = Highest Capacity Roller Screw
KX = High Capacity Roller Screw
KM = Standard Capacity Roller Screw
KA = Acme Screw
AA = Actuator Frame Size

60 = 60mm (2.375 inch)

90 = 90mm (3.54 inch)
BBBB = Stroke Length (mm)
0020 - 0750 mm (30 inch nominal)1
CC = Lead (linear motion per screw revolution) 
05 = 5 mm (0.2 inch) roller screw only
10 = 10 mm (0.4 inch) roller screw only
 
01 = 2.54 mm (0.1 inch) acme screw only
02 = 5.08 mm (0.2 inch) acme screw only
 
D = Mounting Options
N = None, Base Unit
E = Rod End Options
M = Male US standard thread
A = Male metric
F = Female US standard thread
B = Female Metric thread
W = Male US standard thread
R = Male Metric thread, 304 SS
V = Female US standard thread, 304 SS
L = Female Metric thread, 304 SS
X = Special (please specify)
FFF = Input Drive Provisions
NMT = Drive Shaft Only, No Motor Mount
ISC = Inline, includes shaft coupling
P10 = Parallel, 1:1 ratio
P15 = Parallel, 1.5:1 ratio
P20 = Parallel, 2:1 ratio
P## = Custom ratio - (ex. P13 = 1.3:1 ratio)
GGG = Motor Mount Provisions 4
A## = Alpha numeric motor call out - contact Exlar Applications Engineering Dept. Motor not inlcuded.
NMT = No motor mount - keyed shaft on base unit only
N23 = Nema 23 standard dimension
N34 = Nea 34 standard dimension
M60 = Exlar 60 mm SLM, motor not included
M90 = Exlar 90 mm SLM, motor not included
M11 = Exlar 115 mm SLM, motor not included
G60 = Exlar 60 mm SLG, motor not included
G90 = Exlar 90 mm SLG, motor not included
AB2,3 = Rockwell 2 & 3 inch (60 & 80 mm) motors
BD2,3 = Baldor 2 & 3 inch (60 & 80 mm) motors
EM2,3 = Emerson CT Metric 2 & 3 inch (60 & 80 mm) motors
FA2,3 = Fanuc 2 & 3 inch (60 & 80 mm) motors
IN2,3 = Bosch-Rexroth (Indramat) 2 & 3 inch (60 & 80 mm) motors
KM2,3 = Danaher 2 & 3 inch (60 & 80 mm) motors
MT2,3 = Mitsubishi 2 & 3 inch (60 & 80 mm) motors
PC2,3 = Parker 2 & 3 inch (60 & 80 mm) motors
SM2,3 = Siemens 2 & 3 inch (60 & 80 mm) motors
YS2,3 = Yaskawa 2 & 3 inch (60 & 80 mm) motors
The above list is a small representation of the motor options available. Please contact Exlar for additional motor mounting provisions.
X..XX = Travel and Housing Options (Multiple Possible)
SE = Smooth extrusion (no mounting or switch grooves)
EN = electroless nickel plating of housing parts3
HC = Hard coat anodized, acceptable for food grade3
WE = White epoxy coating2
PB = Protective bellows for extending rod
L1 = One external limit switch, channel mount magnetic sensing prox, N.O.
L2 = Two external limit switches, channel mount magnetic sensing prox, 2 N.C.
L3 = Three external limit switches, channel mount magnetic sensing prox, 1 N.C., 2 N.O.
L# = External limit switches, channel mount magnetic sensing prox
XH = Special housing option
XL = Special lubrication (food grade, Mobilgrease 28 or other, please specify)
XT = Special travel option
##### = 5 digit part number assigned to designate special model numbers.
Optional 5 digit assigned part number to designate unique model numbers.
Notes:
1. Minimum stroke length is 20 mm.  For longer strokes than 750 mm contact Exlar.
2. Recommended only with SE option.
3. If special coatings are selected for use in applications where collection of contaminants is better if avoided, consider use of the SE option for smooth extrusion.  This option eliminates the attachment-only mounting grooves, and end mounted accessories will be usable with the unit.
4. Keyed shaft motors required for parallel mount and recommended for inline mount.