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Parker Hannifin Corporation
Automation Actuator Division
Wadsworth, Ohio
6
Automation
PM-ER01/USA
ER Series Rodless Actuator
Maintenance Instructions and Parts List
Drive Ratio Availability
Step Motors and DC Brush Motors
Drive Ratio
Size 1:1 1:1.5 1.5:1 2:1
ERS/D32 2 2 — —
ERS/D50 2 & 3 — 2 & 3 2
ERS/D80 3 & 4 — 3 & 4 3
Model Code
Frame Size
2 NEMA 23 (ER32, ER50)
3 NEMA 34 (ER50, ER80)
4 NEMA 42 (ER80)
9 Special
Profile Size
32 32 mm
50 50 mm
80 80 mm
Series/Motor Type
ERS Stepper
ERB Servo
ERD DC Brush
Drive Type Available Sizes
A04 Acme Screw, 0.250 in lead ER32, 80
A05 Acme Screw, 0.200 in lead ER50
A08 Acme Screw, 0.125 in lead ER32
B01 Ball Screw, 1.000 in lead ER50, 80
B02 Ball Screw, 0.500 in lead ER50, 80
B04 Ball Screw, 0.250 in lead ER80
B05 Ball Screw, 0.200 in lead ER50
B08 Ball Screw, 0.125 in lead ER32
BLT Belt Drive All
ERS 50 – B05 R A 21 –
Motor Mounting Style – Screw Drive
L Inline Motor Mounting
M Parallel with Timing Belt, Motor Position 2
N Parallel with Timing Belt, Motor Position 3
Q Parallel with Timing Belt, Motor Position 4
R Reverse Parallel with Timing Belt, Motor Position 1
S Reverse Parallel with Timing Belt, Motor Position 2
T Reverse Parallel with Timing Belt, Motor Position 3
V Reverse Parallel with Timing Belt, Motor Position 4
Motor Mounting Style – Belt Drive
R Direct Drive, Drive Right
L Direct Drive, Drive Left
M* Parallel with Timing Belt, Over Right
N Parallel with Timing Belt, Under Right
S* Parallel with Timing Belt, Over Left
T Parallel with Timing Belt, Under Left
V Reverse Parallel with Timing Belt, Over Right
W Reverse Parallel with Timing Belt, Under Right
Y Reverse Parallel with Timing Belt, Over Left
Z Reverse Parallel with Timing Belt, Under Left
J Reverse Parallel with Timing Belt, Rear Right
K Reverse Parallel with Timing Belt, Rear Left
Drive Ratio
(See Tables Below for Availability)
A 1:1 (Inline or Parallel)
B 1.5:1 (Parallel)
D 2:1 (Parallel)
Z 1:1.5 (Parallel, ER32 only)
Option
0 No Motor, Flange and Coupler/Pulley Only
1 Std. Motor, Cable Grommet w/o Damper
2 Std. Motor, Conduit Connector w/o Damper
3 Std. Motor, Brad Harrison Connector, w/o Damper
4* Std. Motor, Cable Grommet w/ Damper
5* Std. Motor, Conduit Connector w/ Damper
6* Std. Motor, Brad Harrison Connector w/ Damper
9 Used w/Frame Size 9, Special Motor to be Mounted
X Used with Frame Sizes 2, 3, 4, Other Parker Motor
Step Motor and DC Brush Motor
* Not available with motor
codes 2n for ERB32 and
motor codes 6n and Jn
for ERB50
* Step motors only.