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JT9 Bearings

​JT9 railway bearings
journal bearings JT 9 for railway rolling stock
d=110mm
JT9 Tapered roller bearings

Description

JT9 railway bearings

journal bearings JT 9 for railway rolling stock

d=110mm

JT9 Tapered roller bearings


Bearings used to support rolling stock axle journals are required to be very strong and, at the same time, to be small because of limited space. Double-row bearings that are larger in width than general bearings are popular in that they are compact and have load ratings.
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Specification of JT9 bearings


Unit No

boundary dimensions

mm

d

(bearing)

axle

D

B1

C

d1

E

F

G

H

Q

R

S

JB558

110

110.076

110.054

175

125

130

155

206

105

135

30

30

135

136.4


adapter No.

Dimensions of adapter

bolt size

Dimensions

mm

mm

J

K

L

M

N

p

JB558

134

70

175

135

110

M22

75



Bearing No.

Basic load ratings

Constant

axial load factors

Weight

KN

Mass(kg)

Cr

Cor

e

Y2

Y3

Y0

unit

adapter

JT9

481

972

0.26

2.55

3.8

2.5

22

5.6



Feathers of journal bearings JT 9
Increased service life
reduced maintenance
anti-fretting solutions
optimized cage design


Application of railway bearings JT9
Railway solutions, JT9 bearings are sealed tapered roller bearings used for axles of rolling stock. JT9 are available as a unitized type,pre-lubricated with grease. JT9 railway bearings provides with a hermetic seal, which permits a simplified axle box structure. JT9 railway bearing is designed and built to provide ease of use and long life.
In the metric system, standard bearings JT9,JT10,JT11 is used for freight cars while JT12,JT13,JT14,JT15 are used for passenger coaches.
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Extended railway bearings products list


Unit No

boundary dimensions

adapter No.

Bearing No.

Basic load ratings

Weight

mm

KN

Mass(kg)

d(bearing)

axle

D

B1

C

Cr

Cor

unit

adapter

JB1201

101.600

101.702
101.767

165.100

106.362

114.300

JB701

HM120848/
HM120717XD

402

769

17.3

3.8

JB1202

119.062

119.164
119.139

195.262

136.525

142.875

JB702

HM124646/
HM124618XD

626

1200

25.3

6.1

JB1203

131.750

131.864
131.839

207.962

146.050

152.400

JB703

HM127446/
HM127415XD

641

1270

28.3

7.4

JB1204

144.450

144.564
144.539

220.662

155.575

163.512

JB704

HM129848/
HM129814XD

667

1380

34.3

10.8

JB1204P

144.450

144.564
144.539

220.662

155.575

163.512

JB704

HM129848/
HM129814XD

667

1380

35.0

10.8

JB1205

157.150

157.264
157.239

252.412

177.800

184.150

JB705

HM133444/
HM133416XD

910

1890

51.6

16.3

JB1205P

157.150

157.264
157.239

252.412

177.800

184.150

JB705

HM133444/
HM133416XD

910

1890

52.4

16.3

JB1206P

177.787

177.902
177.876

276.225

180.975

185.738

JB706

HM136948/
HM136916XD

1080

2220

59.2

23.0

JB558

110

110.076
110.054

175

125

130

JB558

JT9

481

972

22

5.6

JB1486

110

110.059
110.037

205

130

140

-

JT13

743

1220

27.3

-

JB613

120

120.076
120.054

195

136

142

JB613

JT10

626

1200

27

6.2

JB1450

120

120.059
120.037

220

155

155

-

JT12

907

1670

36.6

-

JB633

130

130.076
130.054

208

146

152

JB633

JT11

641

1270

30

14.3

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