The 3306-2RS is a double-row angular contact ball bearing with a core size of 30×72×30.2 mm. It has rubber seals on both sides and a typical dynamic load of approximately 41–42.5 kN and a static load of approximately 27.5–30 kN. Core Parameters Dimensions (mm): Inner diameter d = 30, Outer diameter D = 72, Width B = 30.2 Chamfer radius: r_min ≈ 1.1 Weight: Approx. 0.51 kg Basic rated load: Dynamic load Cr ≈ 41.0–42.5 kN, Static load Cor ≈ 27.5–30.0 kN Limiting speed: Grease lubrication ≈ 5300–5800 rpm, Oil lubrication ≈ 6300–7700 rpm Structural features: No ball-filling notch, inner and outer rings are generally inseparable, capable of withstanding combined axial and radial loads in both directions Installation Reference Dimensions (mm) Shaft shoulder diameter da: min 37 / max 39.5 Bow shoulder diameter Da: max 65
