This document from NSK provides technical specifications for various bearings used in railway applications. It includes specifications for axle bearings, bearings for traction motors, and spherical roller bearings. Dimensions, materials, surface finishes, and other details are provided for each bearing type. Standards from AAR, JIS, and AN/AW are referenced.

3. 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

5. 1 2 1 12 2
10,000
( )
10,000
( )
10
( )

6. (1) ( )
( ) ( ) ( ) ( )

7. (1) 40mm
( ) 2.7mm
( ) ( )
100
( )
100
( )

8. (1)
(2)
(3) IT9 IT 11(C22 )
(4) 10
( )
(1
)
(3)
( )
( ) ( ) ( ) ( ) ( )
(2) (1)

9. ( )
( )
100
( )
( )
100
(1)
(1) (1)

10. (1)
(2) h12
(3)
( ) ( ) ( )
(1
)
(3) (1) (2)

11. ( )
1000
( )
1000
( )
( )
(1)
1.
2.
(1) (1)

12. ( ) ( )
(1)
(1)
(1)
( ) ( ) ( )
h13 B349
2 0.5
3 0.8
5 1
(2)
(1)
(2)

13. 17~40 mm
( ) ( ) ( ) ( ) ( )
X
( )

14. ( ) ( ) ( ) ( ) ( ) ( )
X

15. 65~80 mm
( ) ( ) ( ) ( ) ( ) ( )
X

16. ( ) ( ) ( ) ( ) ( ) ( )
X

17. 125~170 mm
( ) ( ) ( ) ( ) ( ) ( )

18. ( ) ( ) ( ) ( ) ( ) ( )

19. 280~410 mm
( ) ( ) ( ) ( ) ( ) ( )

20. ( ) ( ) ( ) ( ) ( ) ( )

21. ( ) ( )
35~85 mm

22. ( ) ( )

23. ( ) ( )
145~180 mm

24. ( ) ( )

25. ( ) ( )
280~380 mm

26. ( ) ( )

27. ( ) ( )
(1)
( )
(1) A31 A2 A3 A23
JIS B 0205

28. ( ) ( )
(1)
( )
(1) AN A31 A23
ANL A30
JIS B 0205

29. (1)
( )( ) ( )(S)
(1) AN A31 A32 A23 ANL A30
1. JIS B 0216
2. JIS B 0205

30. 1. JIS B 0216
2.
( )
( ) ( )

32. ( )
100

33. mm
AW
( )
100
(1)
( )
(1) A31 A2 A3 A23

34. (1) AW A31 A23
AWL A30
AW
( )
100
(1)
( )