Import 52710-22400 Wheel Hub Bearing — Buy in wholesale FOB from Supplier in China

The 52710-22400 wheel hub bearing is a precision-engineered double-row angular contact ball bearing designed for front wheel hub assemblies in passenger vehicles. Manufactured from chrome steel GCr15, an AISI 52100 equivalent with 1.3 to 1.6% chromium content and 1% carbon for through-hardened raceway durability, this unit supports combined radial and axial loads during cornering and braking. The bearing carries OEM cross-reference numbers across FAG, NSK, TIMKEN, KOYO, and NTN catalogues, indicating broad vehicle model coverage and established aftermarket demand. Its internal geometry features a 42 mm bore, 76 mm outer diameter, and 40 mm width (typical for this Hyundai/Kia application code), with a contact angle optimised for hub unit stiffness.

The GCr15 material specification delivers a hardness of 60 to 64 HRC after heat treatment, with standard spheroidised annealing prior to final machining to achieve stable dimensional behaviour under cyclic stress. The raceways are ground and lapped to ISO 492 Class P6 or ABEC-3 equivalent tolerances, with surface roughness Ra 0.15 micrometres typical for automotive hub bearings. Seal configuration varies by variant: most 52710-22400 units incorporate nitrile rubber contact seals (NBR, -40 to 120 degrees Celsius) on both sides, with a grease fill of lithium soap base NLGI Grade 2 containing molybdenum disulphide and extreme-pressure additives. The cage is stamped steel or glass-fibre reinforced polyamide, with riveted construction for high-speed stability above 6,000 rpm.

Fleet operators, independent garages, and OEM parts distributors source this bearing for vehicles including Hyundai Accent, Verna, and compatible Kia platforms. The 12-month or 50,000 km warranty reflects typical automotive aftermarket coverage rather than heavy-commercial duty cycles. Buyers should confirm whether the supplier stocks the sealed maintenance-free variant or the serviceable open version requiring periodic regreasing. Single-box packaging with VCI paper and desiccant is standard for ocean freight; wooden crate consolidation applies to palletised orders. The Liaocheng, Shandong manufacturing base sits within China's bearing industry cluster, with Linqing City itself hosting over 2,000 bearing enterprises and supporting steel supply from Shandong Iron and Steel.

Linqing Huaxu Bearing Manufacturing Co., Ltd. is located in Liaocheng City, Shandong Province, 252600, China, placing it within the Linqing bearing industrial cluster that accounts for a significant share of global tapered roller and hub bearing production. The supplier's profile indicates a harbour trust tier with a 0.00% response rate and zero average response hours recorded, which suggests either a newly registered account, dormant listing, or data capture issue rather than active trading history. No verified factory audit, ISO certification, or export licence details are stated in the source material. Buyers should request current business licence documentation and recent export reference contacts before committing to volume orders.

The listing positions the company as an OEM and aftermarket supplier with brand flexibility (DHXB house brand plus licensed FAG, NSK, TIMKEN, KOYO, and NTN references), though the exact nature of these brand relationships (authorised distributor, licensed manufacturer, or aftermarket compatible) is unspecified. The stated packing options, plastic bag plus single box or wooden box, and palletised wooden crate consolidation indicate familiarity with export logistics. Lead times of 3 to 45 days after order confirmation show broad variability typical of make-to-order bearing production. Prospective buyers should clarify current production capacity, existing client markets, and whether the GCr15 steel is sourced from Shandong-based mills or imported bar stock.