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INA / Yoke type track roller

INA STO17

Yoke type track roller technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
17 mm
Outside diameterD
40 mm
WidthB
15.8 mm
Dynamic load ratingC
14.2 kN
Static load ratingC0
18.2 kN
Limiting speednG
2800 r/min

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications8 parameters
Core specifications
ParameterSymbolValue
Bore diameterd17 mm
Outside diameterD40 mm
WidthB15.8 mm
Basic dynamic load ratingC14.2 kN
Basic static load ratingC018.2 kN
Fatigue load limitPu2.55 kN
Limiting speednG2800 r/min
Mass≈m0.11225 kg
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code398666
BrandINA
Base TypeSTO17
Old Designation["STO 17"]
X Life Markingn.r.
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionYoke type track rollers STO.., single row needle roller bearings with particularly thick-walled outer ring, needle roller and cage assembly and an inner ring, without axial guidance of the outer ring, open, inner ring, outer ring and needle roller and cage assembly can be mounted separately
Short DescriptionYoke type track roller
Technical Data12 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)17 mm
Outside Diamater (D)40 mm
Width, Outer Ring (C)15.8 mm
Basic Dynamic Load Rating, Radial (Cr W)14,200 N
Basic Static Load Rating, Radial (C0R W)18,200 N
Raceway Diameter Inner Ring (F)22 mm
Speed On Permanent Grease Lubrication (Nd G)2,800 1/min
Width Inner Ring (B)16 mm
Radius Of Outer Ring Outside Profile (R)500 mm
Fatigue Load Limit, Radial (Cur W)2,550 N
Minimum Chamfer Dimension (Rmin)0.3 mm
Raceway Diameter Outer Ring (E)29 mm

Technical documents & data sheet

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Record identity
INA STO17
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