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y

Unauthorized reproduction or copying of all or part of this manual is prohibited.

 

y

Oriental Motor shall not be liable whatsoever for any problems relating to industrial 
property rights arising from use of any information, circuit, equipment or device 
provided or referenced in this manual.

 

y

Characteristics, specifications and dimensions are subject to change without notice.

 

y

While we make every effort to offer accurate information in the manual, we welcome 
your input. Should you find unclear descriptions, errors or omissions, please contact the 
nearest office.

 

y

 is a registered trademark or trademark of Oriental Motor Co., Ltd., 

in Japan and other countries.

© Copyright ORIENTAL MOTOR CO., LTD. 2016

Published in February 2018

 

Technical Support  Tel:(800)468-3982

8:30 

A.M.

 to 5:00 

P.M.

, P.S.T. (M-F)

7:30 

A.M.

 to 5:00 

P.M.

, C.S.T. (M-F)

www.orientalmotor.com

Schiessstraße 44, 40549 Düsseldorf, Germany

Technical Support  Tel:00 800/22 55 66 22

www.orientalmotor.de

Tel:01256-347090

www.oriental-motor.co.uk

Tel:01 47 86 97 50

www.orientalmotor.fr

Tel:02-93906346

www.orientalmotor.it

Tel:+55-11-3266-6018

www.orientalmotor.com.br

• Please contact your nearest Oriental Motor office for further information.

4-8-1Higashiueno,Taito-ku,Tokyo 110-8536 

Japan

Tel:03-6744-0361

www.orientalmotor.co.jp

Tel:0800-060708

www.orientalmotor.com.tw

Singapore

Tel:1800-8420280

www.orientalmotor.com.sg

Tel:1800-806161

www.orientalmotor.com.my

Korea

Tel:080-777-2042

www.inaom.co.kr

Tel:1800-888-881

www.orientalmotor.co.th

Tel:400-820-6516

www.orientalmotor.com.cn

Tel:+91-80-41125586

www.orientalmotor.co.in

Hong Kong Branch

Tel:+852-2427-9800

 

„

Installation method

Install the motor onto an appropriate flat 
metal plate having excellent vibration 
resistance and heat conductivity. 
When installing the motor, secure it with four 
screws (not supplied) through the four screw 
holes provided. Leave no gap between the 
motor and plate.

Metal plate

Screw holes

Pilot holder

Model

Nominal size

Tightening torque 

[N·m (oz-in)]

Effective depth of screw 

thread [mm (in.)]

PKP223

M2.5 P0.45

0.5 (71)

4 (0.157)

PKP243

M3 P0.5

1 (142)

7 (0.278)

PKP264

M4 P0.7

2 (280)

8 (0.315)

Do not loosen the gearhead-attaching screws (four pcs.).

 

„

Installing a load

When connecting a load to the motor, align the centers of the motor’s output shaft and 
load shaft. Be careful not to damage the output shaft or the bearings when installing a 
coupling or pulley to the motor’s output shaft.

 

„

Permissible radial load and permissible axial load

The radial load and axial load on the motor output shaft must be kept under the 
permissible values listed below.

 

z

Permissible radial load

Model

Permissible radial load [N (lb.)]

Distance from the tip of motor output shaft [mm (in.)]

0 (0)

5 (0.2)

10 (0.39)

15 (0.59)

20 (0.79)

PKP223

15 (3.3)

17 (3.8)

20 (4.5)

23 (5.1)

PKP243

10 (2.2)

15 (3.3)

20 (4.5)

30 (6.7)

PKP264

  

(gear ratio: 3.6 to 10)

30 (6.7)

40 (9)

50 (11.2)

60 (13.5)

70 (15.7)

PKP264

  

(gear ratio: 18 to 36)

80 (18)

100 (22)

120 (27)

140 (31)

160 (36)

 

z

Permissible axial load

Model

Permissible axial load 

[N (lb.)]

PKP223

10 (2.2)

PKP243

15 (3.3)

PKP264

30 (6.7)

Maintenance/inspection

 

„

Inspection

It is recommended that periodic inspections be conducted for the items listed below 
after each operation of the motor. If an abnormal condition is noted, discontinue any use 
and contact your nearest office.

During inspection

 

y

Are any of motor mounting screws loose?

 

y

Are there any abnormal noises in the motor bearings (ball bearings) or other moving 
parts?

 

y

Are there any scratches, signs of stress in the motor lead wires?

 

y

Are there any loose connections on the connector or driver?

 

y

Are the motor’s output shaft and load shaft out of alignment?

 

„

Warranty

Check on the Oriental Motor Website or General Catalog for the product warranty.

 

„

Disposal

Dispose the product correctly in accordance with laws and regulations, or instructions of 
local governments.

Specifications

Check on the Oriental Motor Website for the product specifications.

General specifications

Degree of protection

IP20

Operation 
environment

Ambient 
temperature

−10 to +50 °C (+14 to +122 °F) (non-freezing)

Humidity

85% or less (non-condensing)

Altitude

Up to 1,000 m (3,300 ft.) above sea level

Surrounding 
atmosphere

No corrosive gas, dust, water or oil

Storage 
environment, 
Shipping 
environment

Ambient 
temperature

−20 to +60 °C (−4 to +140 °F) (non-freezing)

Humidity

85% or less (non-condensing)

Altitude

Up to 3,000 m (10,000 ft.) above sea level

Surrounding 
atmosphere

No corrosive gas, dust, water or oil

Insulation 
resistance

100 MΩ or more when 500 VDC megger is applied between the 
case and motor windings.

Dielectric 
strength

Sufficient to withstand the following conditions applied between 
the winding and the case for 1 minute: 

• 

PKP23

PKP24

: 0.5 kVAC  50/60 Hz 

• 

PKP26

: 1.0 kVAC  50/60 Hz

Regulations and standards

 

„

RoHS Directive

The products do not contain the substances exceeding the restriction values of RoHS 
Directive (2011/65/EU).

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