KT…NNIPPON THOMPSON CO., LTD. (JAPAN)
Head Office : 19-13 Takanawa 2-chome Minato-ku
Tokyo 108-8586, JapanPhone: +81 (0)3-3448-5850
Fax: +81 (0)3-3447-7637
E-mail: ntt@ikonet.co.jp
URL: http://www.ikont.co.jp/eg
Plant: Gifu, Kamakura

IKO INTERNATIONAL, INC. (U.S.A.)
East Coast Operations (Sales Head Office)91 Walsh Drive
Parsippany, NJ 07054
U.S.A.
Phone: +1 973-402-0254
Toll Free: 1-800-922-0337
Fax: +1 973-402-0441
E-mail: eco@ikonet.co.jp
Midwest Operations
101 Mark Street Suite-G,
Wood Dale, IL 60191
U.S.A.
Phone: +1 630-766-6464
Toll Free: 1-800-323-6694
Fax: +1 630-766-6869
E-mail: mwo@ikonet.co.jp
Minnesota Sales Office1500 McAndrews Road West, Suite 210
Burnsville, MN 55337
U.S.A.
Phone: +1 952-892-8415
Toll Free: 1-800-323-6694
Fax: +1 952-892-1722
E-mail: mwo@ikonet.co.jp
West Coast Operations
9830 Norwalk Boulevard, Suite 198
Santa Fe Springs, CA 90670
U.S.A.
Phone: +1 562-941-1019
Toll Free: 1-800-252-3665
Fax: +1 562-941-4027
E-mail: wco@ikonet.co.jp
Silicon Valley Sales Office1500 Wyatt Drive, Suite 10
Santa Clara, CA 95054
U.S.A.
Phone: +1 408-492-0240
Toll Free: 1-800-252-3665
Fax: +1 408-492-0245
E-mail: wco@ikonet.co.jp
Southeast Operations
2150 Boggs Road, Suite 100
Duluth, GA 30096
U.S.A.
Phone: +1 770-418-1904
Toll Free: 1-800-874-6445
Fax: +1 770-418-9403
E-mail: seo@ikonet.co.jp
Southwest Operations
8105 N. Beltline Road, Suite 130
lrving, TX 75063
U.S.A.
Phone: +1 972-929-1515
Toll Free: 1-800-295-7886
Fax: +1 972-915-0060
E-mail: swo@ikonet.co.jp

IKO THOMPSON BEARINGS CANADA, INC.(CANADA)New Product
IKO THOMPSON BRAZIL SERVICE CO.,LTD. (BRAZIL)
Av.Paulista, 854 10th floor, Top Center,01310-100, Sao Paulo, SP, Brazil
Phone: +55 (0)11-2186-0221
Fax: +55 (0)11-2186-0299
E-mail: itb@ikonet.co.jp

NIPPON THOMPSON EUROPE B.V. (EUROPE)The Netherlands (Sales Head Office)Sheffieldstraat 35-39
3047 AN Rotterdam
The Netherlands
Phone: +31 (0)10-462 68 68
Fax: +31 (0)10-462 60 99
E-mail: nte@ikonet.co.jp
Germany Branch
Mündelheimer Weg 5440472 Düsseldorf
GermanyPhone: +49 (0)211-41 40 61
Fax: +49 (0)211-42 76 93
E-mail: ntd@ikonet.co.jp
Regensburg Sales OfficeIm Gewerbepark D 3093059 Regensburg
GermanyPhone: +49 (0)941-20 60 70
Fax: +49 (0)941-20 60 719
E-mail: ntdr@iko-nt.de
Neunkirchen Sales Office
Gruben Str. 95c66540 Neunkirchen
GermanyPhone: +49 (0)6821-99 98 60
Fax: +49 (0)6821-99 98 626
E-mail: ntdn@iko-nt.de
U.K. Branch
2 Vincent Avenue, Crownhill
Milton Keynes, Bucks, MK8 0AB
United Kingdom
Phone: +44 (0)1908-566144
Fax: +44 (0)1908-565458
E-mail: sales@iko.co.uk
Spain Branch
Autovia Madrid-Barcelona, Km. 43,700
Polig. Ind. AIDA - Nove A-8, Ofic. 2-1
19200 Azuqueca de Henares(Guadalajara) Spain
Phone: +34 949-26 33 90
Fax: +34 949-26 31 13
E-mail: nts@ikonet.co.jp
France Branch
Roissypole Le Dôme
2 rue de La Haye
BP 15950 Tremblay en France
95733 Roissy C. D. G. Cedex
FrancePhone: +33 (0)1-48 16 57 39
Fax: +33 (0)1-48 16 57 46
E-mail: contact@iko-france.com

IKO THOMPSON KOREA CO.,LTD. (KOREA)
2F, 111, Yeouigongwon-ro,
Yeongdeungpo-gu, Seoul, Korea
Phone: +82 (0)2-6337-5851
Fax: +82 (0)2-6337-5852
E-mail: itk@ikonet.co.jp

IKO THOMPSON ASIA CO., LTD. (THAILAND)
1-7 Zuellig House, 3rd Floor
Silom Road, Silom, Bangrak
Bangkok 10500, Thailand
Phone: +66 (0)2-637-5115
Fax: +66 (0)2-637-5116
E-mail: ita@ikonet.co.jp

IKO-THOMPSON (SHANGHAI) LTD. (CHINA)
Shanghai (Sales Head Office)1608-10 MetroPlaza No.555 LouShanGuan
Road
ChangNing District Shanghai
People's Republic of China 200051
Phone: +86 (0)21-3250-5525
Fax: +86 (0)21-3250-5526
E-mail: ntc@ikonet.co.jp
Beijing Branch
Room1506, Jingtai Tower,
NO.24,Jianguomenwai Avenue,
Chaoyang District, Beijing People's Republic ofChina 100022
Phone: +86 (0)10-6515-7681
Fax: +86 (0)10-6515-7681*106
E-mail
: ntc@ikonet.co.jp
Guangzhou Branch
Room 834, Garden Tower, Garden Hotel
368 Huanshi East Road, Yuexiu District,Guangzhou, Guangdong
People's Republic of China 510064
Phone: +86 (0)20-8384-0797
Fax: +86 (0)20-8381-2863
E-mail: ntc@ikonet.co.jp
Wuhan Branch
Room 2300, Truroll Plaza No.72 WushengRoad, Qiao kou District, Wuhan, Hubei
People's Republic of China 430033
Phone: +86 (0)27-8556-1610
Fax: +86 (0)27-8556-1630
E-mail: ntc@ikonet.co.jp
Shenzhen Office
Room 420, Oriental Plaza,
1072 Jianshe Road, Luohu District,
Shenzhen, Guangdong
People's Republic of China 518001
Phone: +86 (0)755-2265-0553
Fax: +86 (0)755-2298-0665
E-mail: ntc@ikonet.co.jp
Ningbo Office
Room 3406, Zhongnongxin Building, No.181
Zhongshan East Road, Haishu Ward, Ningbo,
Zhejiang
People's Republic of China 315000
Phone: +86 (0)574-8718-9535
Fax: +86 (0)574-8718-9533
E-mail: ntc@ikonet.co.jp
Qingdao Office2107 Block A, World Trade Center Building,No.230Changjiang Middle Road, Development Zone
Qingdao
People's Republic of China 266555
Phone: +86 (0)532-8670-2246
Fax: +86 (0)532-8670-2242
E-mail: ntc@ikonet.co.jp
Shenyang Office2-1203 Tower I.City Plaza Shenyang, No.206
Nanjing North Street Heping District,
Shenyang
People's Republic of China 110001
Phone: +86 (0)24-2334-2662
Fax: +86 (0)24-2334-2442
E-mail: ntc@ikonet.co.jp731-2425 Matheson Boulevard East 7th floor
Mississauga, Ontario L4W 5K4, Canada
Phone: +1 905-361-2872
Fax: +1 905-361-6401
E-mail: itc@ikonet.co.jp

Gentle to The Eartht5IFTQFDJGJDBUJPOTBOEEJNFOTJPOTPGQSPEVDUTJOUIJTDBUBMPHBSFTVCKFDUUPDIBOHFXJUIPVUQSJPSOPUJDFt8IFOUIFTFQSPEVDUTBSFFYQPSUFE UIFexporter should confirm a forwarding country and a use, and, in case of falling under the customer's requirements, take necessary procedures suchBTFYQPSUQFSNJTTJPOBQQMJDBUJPOt"MUIPVHIBMMEBUBJOUIJTDBUBMPHIBTCFFODBSFGVMMZDPNQJMFEUPNBLFUIFJOGPSNBUJPOBTDPNQMFUFBTQPTTJCMF NIPPON THOMPSON CO., LTD. shall not be liable for any damages whatsoever, direct or indirect, based upon any information in this catalog.
NIPPON THOMPSON CO., LTD. makes no warranty, either express or impiled, including the impiled warranty of merchantability or fitness for a
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http://www.ikont.co.jp/eg/

ISO 9001 & 14001 Quality system registration certificate

CAT-2930E

Printed in Japan © 2016.06 (AK)

KT…N

Needle Rollers with Synthetic resin cage for General Use

Needle Rollers with Synthetic resin
cage for General Use

Strong, lightweight, and low-cost.
New sizes are now available for Needle Roller Cages with thesuperior characteristics of synthetic resin.

KT … N

Synthetic resin cage

●Features of synthetic resin cages

Needle roller

Structure and features

Ultra-small sizes (bore diameter 3 to 5 mm), arebearings that provide excellent rotational

allows for an increase in the number of needle

available unlike those having high carbon steel

performance. Specially designed cagerollers. Thus raising the load capacity by almost

cages.

high-precision rolling guides when combinedwith accurately ground heat treated shafts
and housing bores.

offers both highcarbon style cage types and synthetic resin

20% when compared against same sized withhigh carbon steel cage. (In case of KT505825N)

3weight and costs.

sizes or materials depending on situation to fit yourcage types. New sizes have been recently

applications. Please feel free to contact us for more

added to the synthetic resin cage type.

details.

Dimensions

Examples of the identification number of Needle
Roller Cages for General Usage are shown below.

Bc
Shaft
diameterSynthetic resin
cage type

Model of bearing

KTKT ... NKTWRoller set boremm
diameter−Operating Temperature Range
The operating temperature range for synthetic
resin cages is -20 to 110°C. For continuous use,
keep the temperature at 100°C or below.

1Roller set outsidemm
diameterCage widthmm

Tolerance of mean value of needle roller diameter

Identification
numberFw

mm

Ew

KT 50 58 25 N C3Single row needle roller Double row needle rollerHigh carbon
steel cage typeSpecial models for your applications

We offer special versions such as non-standard

Table 1 Model of bearing
Item4

Lightweight/Low-cost

Synthetic resin cages help reduce equipment

Identification number

Model of bearing

Ultra-small sizes are available

The narrow formed cage stays between the rollers

create extremely low-sectional height

Needle Roller Cages for General Usage are available
in the types shown in Table 1.

2

High load capacity

Needle Roller Cages for General Usage are

precisely guides the needle rollers. TheyModel1

Mass(Ref.)g

Basic dynamic Basic static
Boundarymm
load ratingload rating
dimensions

FwEwBCCC0Allowable (1)rotationalspeedNN

min-1

3

KT367N

0.393671 480

990

140 000

4KT477N

0.474771 800

1 300

100 000

5KTKT

587N
588N

0.53
0.66

5588782 070
2 420

1 600
1 950

85 00085 000

6KT
KT

697N
698N

0.63
0.75

6699782 310
2 700

1 900
2 320

75 00075 000

7KT

7108N

0.86

71082 960

2 690

65 000

8KTKT

8118N
81110N

0.96
1.2

8811118103 190
3 630

3 060
3 600

60 00060 00029KT 293825N

40.7

29382535 800

47 80017 50050KT 505825N

66.3

50

5825

51 40097 80010 000

Note (1) Allowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 50% of this value is allowable.

For details of accuracy, fit, or mounting, please contact.

For dimensions not listed, please contact

1N≈0.102kgf.

2