Manufacturer: Schaeffler INA
Type:  Yoke type track rollers STO
Model: RSTO-STO 12
Replaces: STO 12

Dimensions:
Bore Diameter d: 12 mm
Outer diameter D: 32 mm
Width, inner ring B: 12 mm
Width outer ring C: 11.8 mm
Basic load ratings:
Dynamic: 9000 N
Static: 10400 N
Fatigue load limit: 1560 N
Speed on permanent grease lubrication: 4500 RPM