Track rollers with needle rollers and cage - STO Series

Materials:

Outer rings: UNI 16CrNi4 case and core hardened steel with hardness 60±2 HRC
Inner rings: UNI 100Cr6 core hardened steel with hardness 60±2 HRC
Cages: glass-fibre-reinforced polyamide, pressed steel plate, M-shaped section structural steel (depending on the size).
Rolling system: UNI 100Cr6 core hardened steel with hardness 62±2 HRC

Tolerances: according to DIN 620 Regulation
Precision class: according to P6 class
Radial clearance: nearly C0 class, according to DIN 620 Regulation
Load coefficients: calculated according to ISO 76 and ISO 281 Regulations

Alternative designs:

- Track rollers for applications for high and low temperature
- Track rollers for applications for corrosive environments
- Track rollers produced on customer's drawing