This model is basically the same as model NAST, but does not have an inner ring. Model No. Main dimensions Basic load rating Detail specifications CAD Dimensional drawing Inner  diameter di Inscribed bore  diameter dr Outer  diameter D B C Dynamic rating C Static rating C0 2D (DXF) 3D mm mm mm mm mm kN kN RNAST 5 — 7 16 — 7.8 2.74 2.39 RNAST 6 — 10 19 — 9.8 4.12 4.55 RNAST 8 — 12 24 — 9.8 5.68 5.89 RNAST 10 — 14 30 — 11.8 9.7 9.67 RNAST...

This model is basically the same as model NAST-R, but does not have an inner ring. Since the circumference of the outer ring is spherically ground, it helps lighten a biased...