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INA / Yoke type track roller

INA RSTO12

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

Technical data available
Bore diameterd
16 mm
Outside diameterD
32 mm
WidthB
11.8 mm
Dynamic load ratingC
9 kN
Static load ratingC0
10.4 kN
Mass≈m
0.04771 kg

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 specifications7 parameters
Core specifications
ParameterSymbolValue
Bore diameterd16 mm
Outside diameterD32 mm
WidthB11.8 mm
Basic dynamic load ratingC9 kN
Basic static load ratingC010.4 kN
Fatigue load limitPu1.56 kN
Mass≈m0.04771 kg
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code398567
BrandINA
Base TypeRSTO12
Old Designation["RSTO 12"]
X Life Markingn.r.
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionYoke type track rollers RSTO.., single row needle roller bearings with particularly thick-walled outer ring, needle roller and cage assembly, without 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 Data10 parameters
Technical Data
ParameterSymbolValue
Under Roller Diameter (Fw)16 mm
Outside Diamater (D)32 mm
Width, Outer Ring (C)11.8 mm
Basic Dynamic Load Rating, Radial (Cr W)9,000 N
Basic Static Load Rating, Radial (C0R W)10,400 N
Speed On Permanent Grease Lubrication (Nd G)4,500 1/min
Radius Of Outer Ring Outside Profile (R)500 mm
Fatigue Load Limit, Radial (Cur W)1,560 N
Minimum Chamfer Dimension (Rmin)0.3 mm
Raceway Diameter Outer Ring (E)22 mm

Technical documents & data sheet

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Record identity
INA RSTO12
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