I. Core Specifications (Dimensions identical to 43550‑F4030) Model: 43550‑F4031 (Front Right); 43550‑F4030 (Front Left) Structure: Double-row angular contact, sealed and maintenance-free, integrated ABS tone ring Inner Diameter: 30 mm Outer Diameter: Approx. 136 mm (Flange) Overall Width: Approx. 78 mm Spline: Internal Spline (Drive Wheel) Studs: 4 × M12 Weight: Approx. 2.8–3.0 kg Material: GCr15 Bearing Steel Equivalent Models: VKBA7811, 62BWKH32, BR931111
II. Compatible Vehicles (Toyota / Lexus) Toyota Corolla E210 (2019– ) Toyota C-HR / IZOA AX10 (2016– ) Toyota Levin GT / Allion A20 (Asian Market) Toyota Corolla Cross Lexus UX Series
III. Application & Features Application: Front drive wheel hub assembly; designed to simultaneously withstand both radial and axial loads, with integrated ABS signal output capability.
Features: Maintenance-Free: Double-sealed and pre-greased; offers a service life of approximately 100,000 kilometers. Highly Integrated: Combines the bearing, flange, studs, and ABS sensor into a single unit for direct replacement. Side-Specific: F4031 = Front Right; F4030 = Front Left. These parts are side-specific and cannot be interchanged.