Description
Key Specifications & Advantages of 30BD40T12DDUCG21 Automotive Hub Bearing
| Description | Core Value |
|---|---|
| Model & Dimensions | 30BD40T12DDUCG21 | 30×55×23 mm (compact hub fit for front/rear axle) |
| Type & Application | Dedicated wheel/hub bearing for automotive AC compressors & chassis systems |
| Precision Rating | P0 to P2 grades — ultra-tight tolerances for high-speed stability & low NVH |
| Material & Build | High-carbon chromium steel (GCr15), heat-treated, precision-ground raceways |
| Lubrication | Pre-greased with long-life synthetic grease — zero maintenance at installation |
| Noise & Life | Optimized cage design + micro-finished surfaces → <28 dB noise, L10 life ≥ 120,000 km |
| Certification | ISO 9001 certified manufacturing; fully traceable batch control |
| ABS Compatibility | Integrated ABS sensor ring option — seamless OEM integration |
| Supply Reliability | In-stock inventory (1M+ units) + sea/air logistics — fast lead time for global buyers |
| SKF-Grade Alternative | Drop-in replacement for SKF VKBA 3642/VKBA 3657 — same fit, higher torque capacity (+7%) |
Engineered for OE-tier durability and aftermarket flexibility, this bearing delivers superior thermal stability under repeated stop-start cycles and resists corrosion in humid coastal environments. Unlike generic imports, it features double-lip seals with nitrile rubber (NBR) and optimized internal clearance (C3/C4 options available). Frequently asked: Q: Is preload adjustment required? A: No — pre-set axial play ensures immediate mounting. Q: Can it replace FAG or NTN equivalents? A: Yes — dimensional & functional interchangeability confirmed for 98% of 2015–2025 Asian/Euro light vehicles. Ready to request samples or bulk pricing? Contact us now for technical datasheets and OEM documentation.
