SKF FYK35 TF Flanged Housing Unit - 35 mm ID Hoses They are needed for adjusting

They are needed for adjusting the pullers

up to 1-1/4" and up to 2-1/2"

These high-performance drills are an essential addition for professionals and DIY enthusiasts working with materials that require precision and strength

they can wear out after some time

8 mm Housing Material Cast Iron Locking Device Concentric Expansion Type Non-Expansion Bearing (Fixed) Overall Length/Diameter 4

SKF FYK35 TF Flanged Housing Unit - 35 mm ID Hoses They are needed for adjustingFlanged Housing Unit sealed design Flanged Housing Units from SKF are designed for reliable performance in demanding industrial applications. The sealed design provides protection against contamination. Suitable for use in a wide range of industrial applications where reliability and performance are essential.