Railway Cars/Product Information/Koyo Bearings (JTEKT)

This page introduces bearings used in the field of railroad cars JTEKT offers bearings for various parts including the railway car axle drive unit and main motor Our bearings help to make railway cars comfortable and safe by contributing to stable operation and longterm use

Ball Screw Support Bearings

To help with orientation during installation JTEKT/Koyo will begin to add a new “V” mark on the outside surfaces of single row “G Type” Precision Ball Screw Support Bearings (SAC Series) See below for an illustration of the new marking It is very common for these type of bearings to be used in matched pairs or stacks to

Railway Cars/Product Information/Koyo Bearings (JTEKT)

This page introduces bearings used in the field of railroad cars JTEKT offers bearings for various parts including the railway car axle drive unit and main motor Our bearings help to make railway cars comfortable and safe by contributing to stable operation and longterm use

Koyo Torrington Needle Roller Bearings

location; cylindrical outer diameter DZTN cylindrical outer diameter; molded cage of reinforced engineered polymer 2RSDZ lip contact seal on each side of bearing; cylindrical outer diameter STO 25 DZ Bore diameter for STO NATR 25 = 25 mm 45 = 45 mm Full Complement Track Rollers Inch Nominal Dimensions

ball bearing units Julsa SA

25 3 Selection of unit 31 Outline of selection Koyo Ball Bearing Units are available in various types and series Therefore to select the bearing unit optimal for 2217 563 0843 214 1/2 M14 NAP20824 NAP20825 NAP208 P208 NA20824 NA20825 NA208 291 178 140 21 45 1 5/8 1 11/16 1 3/4 2 1/8

Koyo Torrington Needle Roller Bearings

location; cylindrical outer diameter DZTN cylindrical outer diameter; molded cage of reinforced engineered polymer 2RSDZ lip contact seal on each side of bearing; cylindrical outer diameter STO 25 DZ Bore diameter for STO NATR 25 = 25 mm 45 = 45 mm Full Complement Track Rollers Inch Nominal Dimensions

ball bearing units Julsa SA

25 3 Selection of unit 31 Outline of selection Koyo Ball Bearing Units are available in various types and series Therefore to select the bearing unit optimal for 2217 563 0843 214 1/2 M14 NAP20824 NAP20825 NAP208 P208 NA20824 NA20825 NA208 291 178 140 21 45 1 5/8 1 11/16 1 3/4 2 1/8

Ball Screw Support Bearings

To help with orientation during installation JTEKT/Koyo will begin to add a new “V” mark on the outside surfaces of single row “G Type” Precision Ball Screw Support Bearings (SAC Series) See below for an illustration of the new marking It is very common for these type of bearings to be used in matched pairs or stacks to