INA STO50 Bearing

INA STO50 Yoke type track rollers

Also known as : STO50, NAST50R

  • Inside Diameter: 50 mm
  • Outside Diameter: 90 mm
  • Width: 20 mm
  • Basic dynamic load rating: 25.5 kN
  • Basic static load rating: 46 kN

Inquire Now


INA STO50 Bearing

INA STO50 Bearing details

d 50 mm   
D 90 mm   
B 20 mm   
C 19,8 mm   
E 68 mm   
F 60 mm  Raceway diameter of inner ring
R 500 mm  Crowning radius
rmin 1 mm   
m 617 g  Mass
Cr w 25500 N  Effective dynamic load rating as track roller (radial)
C0r w 46000 N  Effective static load rating as track roller (radial)
Cur w 6300 N  Fatigue limit load
nD G 650 1/min  Speed (with continuous operation and grease lubrication)

As INA bearing distributor, Nodes bearings have INA STO50 Yoke type track rollers in stock, without axial guidance, outer ring without ribs.

INA STO50 bearing cross reference

INA NA2210-2RSR bearing
50mm x 90mm x 23mm
INA NATR50-PP bearing
50mm x 90mm x 32mm
INA NATV50-PP bearing
50mm x 90mm x 32mm
INA PWTR50-2RS-XL bearing
50mm x 90mm x 32mm
INA PWTR50110-2RS-XL bearing
50mm x 110mm x 32mm
INA NUTR50 bearing
50mm x 90mm x 32mm
INA NUTR50110 bearing
50mm x 110mm x 32mm
INA RSTO40 bearing
50mm x 80mm x 19.8mm