Guide wheel with tapered roller bearings. The sides of the race are convex with radius R = 400. • Viton seals for operating temperatures up to 120°C (suffix V) on request, not available for FKU 115. • On request the guide rollers can be supplied with external parts in stainless steel (suffix NX). Internal rolling elements in standard bearing steel • Pressure angle α for load calculation: 45° • Standard seals: material NBR, RS type