INA STO45 Bearing

INA STO45 Yoke type track rollers

Also known as : STO45, NAST45R

  • Inside Diameter: 45 mm
  • Outside Diameter: 85 mm
  • Width: 20 mm
  • Basic dynamic load rating: 25 kN
  • Basic static load rating: 43.5 kN

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INA STO45 Bearing

INA STO45 Bearing details

d 45 mm   
D 85 mm   
B 20 mm   
C 19,8 mm   
E 63 mm   
F 55 mm  Raceway diameter of inner ring
R 500 mm  Crowning radius
rmin 1 mm   
m 576 g  Mass
Cr w 25000 N  Effective dynamic load rating as track roller (radial)
C0r w 43500 N  Effective static load rating as track roller (radial)
Cur w 5900 N  Fatigue limit load
nD G 750 1/min  Speed (with continuous operation and grease lubrication)

As INA bearing distributor, Nodes bearings have INA STO45 Yoke type track rollers in stock, without axial guidance, outer ring without ribs.

INA STO45 bearing cross reference

INA PWTR45-2RS-XL bearing
45mm x 85mm x 32mm
INA PWTR45100-2RS-XL bearing
45mm x 100mm x 32mm
INA NUTR45 bearing
45mm x 85mm x 32mm
INA NUTR45100 bearing
45mm x 100mm x 32mm