<div class="full-description"> <p><strong>Material</strong> <ul> <li><strong>Bellows</strong>: Stainless Steel.</li> <li><strong>Hub</strong>: OKB4/18 to OKB4/60 = Aluminium (Stainless available on request). OKB4/80 to OKB4/500 = Steel (Aluminium & Stainless available on request).</li> </ul> <strong>Performance</strong> <ul> <li><strong>Bore Tolerance</strong>: H7. Keyway acc. DIN 6885 optional.</li> <li><strong>Operating Temperature Range</strong>: -30°C to +120°C.</li> </ul> </div>