NSK

( ) ( )

RCC ( ) RCT ( )

NSK AAR( . . . Association of American Railroads)

Bearings for Railway Rolling Stock CAT No.E1156

Axle Bearings for Railway Rolling Stock(Cylindrical Roller Bearings) CATNO.E1239

Axle Bearings for Railway Rolling Stock(Spherical Roller Bearings) CATNO.E1240

Bearings for Traction Motors CAT No.E1241

1 2 1 1 2 2 10,000

( )

10,000

( )

10

( )

(1) ( )

( ) ( ) ( ) ( )

(1) 40mm ( ) 2.7mm

( ) ( )100

( )

100

( )

(1) (2) (3) IT9 IT 11(C22 )(4) 10

( )

(1) (3)

( )

( ) ( ) ( ) ( ) ( )

(2) (1)

( ) ( )

100( )

( )

100

(1)

(1) (1)

(1) (2) h12(3)

( ) ( ) ( )

(1)(3) (1) (2)

( )1000

( )1000

( )( )

(1) 1.

2.

(1) (1)

( ) ( )

(1)

(1)

(1)

( ) ( ) ( )

h13 B349

2 0.5

3 0.8

5 1

(2)

(1)

(2)

17~40 mm

( ) ( ) ( ) ( ) ( )

X

( )

( ) ( ) ( ) ( ) ( ) ( )

X

65~80 mm

( ) ( ) ( ) ( ) ( ) ( )

X

( ) ( ) ( ) ( ) ( ) ( )

X

125~170 mm

( ) ( ) ( ) ( ) ( ) ( )

( ) ( ) ( ) ( ) ( ) ( )

280~410 mm

( ) ( ) ( ) ( ) ( ) ( )

( ) ( ) ( ) ( ) ( ) ( )

( ) ( )

35~85 mm

( ) ( )

( ) ( )

145~180 mm

( ) ( )

( ) ( )

280~380 mm

( ) ( )

( ) ( )

(1)

( )

(1) A31 A2 A3 A23JIS B 0205

( ) ( )

(1)

( )

(1) AN A31 A23 ANL A30

JIS B 0205

(1)

( )( ) ( )(S)

(1) AN A31 A32 A23 ANL A301. JIS B 0216

2. JIS B 0205

1. JIS B 02162.

( )

( ) ( )

( )100

mm

AW

( )100

(1)

( )

(1) A31 A2 A3 A23

(1) AW A31 A23 AWL A30

AW

( )100

(1)

( )