The inch system classes of B C D E F and G approved by the Association of American Railroads (A A R) are standard for freight cars locomotives and passenger cars In the metric system standard bearings JT9 JT10 and JT11 are used for freight cars while JT12 JT13 JT14 and JT15 are used for passenger coaches
All NTNBower tapered roller bearings and NTN tapered roller bearings with the prefixes “4T” “ET” or “E” are casecarburized ISOclass tapered roller bearings with a "U" suffix and NTN tapered roller bearings not having a previously mentioned prefix will be throughhardened although these tend to be larger sizes (8”
Browse All Categories in the NTN Bearing Corp of America catalog including Ball BearingsTapered Roller BearingsCylindrical Roller BearingsNeedle Roller BearingsSpherical Roller BearingsMounted UnitsParts & Accessories
Browse All Categories in the NTN Bearing Corp of America catalog including Ball BearingsTapered Roller BearingsCylindrical Roller BearingsNeedle Roller BearingsSpherical Roller BearingsMounted UnitsParts & Accessories
All NTNBower tapered roller bearings and NTN tapered roller bearings with the prefixes “4T” “ET” or “E” are casecarburized ISOclass tapered roller bearings with a "U" suffix and NTN tapered roller bearings not having a previously mentioned prefix will be throughhardened although these tend to be larger sizes (8”
The inch system classes of B C D E F and G approved by the Association of American Railroads (A A R) are standard for freight cars locomotives and passenger cars In the metric system standard bearings JT9 JT10 and JT11 are used for freight cars while JT12 JT13 JT14 and JT15 are used for passenger coaches