Product Overview

Wheel Hub Units / Assemblies (Gen 1, Gen 2, and Gen 3 Hub Bearings) are pre-assembled, factory-lubricated wheel support modules designed for modern automotive chassis and drivetrain systems. Integrating precision rolling bearings, mounting flanges, wheel studs, and ABS/ESP speed sensors into a single unit, these assemblies simplify vehicle manufacturing and aftermarket replacement. Manufactured from high-purity GCr15 Chrome Steel or case-hardened alloy steel, Wheel Hub Units accommodate heavy radial vehicle loads and severe axial cornering forces while maintaining precise wheel rotation. They are widely utilized across front and rear wheel hubs in passenger cars, SUVs, crossovers, light commercial trucks, and electric vehicles (EVs).

Key Features & Advantages

Pre-Adjusted & Factory-Sealed Design: Factory-set preload and internal clearance eliminate complex manual setup, reducing installation errors and labor time.

Integrated Flange & Sensor Systems: Features pre-installed mounting flanges, high-strength wheel studs, and active/passive ABS sensor encoders for accurate vehicle stability control signals.

Compact & Lightweight Structural Generations:

Gen 1: Double-row angular contact bearing unit requiring external housing mounting.

Gen 2: Features an outer ring flange for direct mounting to the brake disc/wheel hub.

Gen 3: Fully integrated dual-flange unit (inner & outer ring flanges) for maximum structural rigidity and fast bolt-on replacement.

Exceptional Sealing & Contaminant Protection: Advanced multi-lip cassette seals prevent road slurry, water, dirt, and de-icing chemicals from entering raceways while retaining long-life synthetic grease.

Enhanced Dynamic Safety & Ride Comfort: Precision-ground raceways ensure low operational noise, minimal vibration, and smooth cornering stability under high dynamic stress.

Model No.	Unit Generation	Hub Flange Dia [mm]	Bolt Circle Dia (PCD) [mm]	Wheel Studs / Holes	Sensor Type
VKBA 3596	Gen 1 / Gen 2	136	100	4 Holes	ABS Encoder Integrated
VKBA 3643	Gen 3	148	114.3	5 Studs	Active Magnetic Sensor
513121	Gen 3	139	115	5 Studs	ABS Sensor Harness
513206	Gen 3	152	120	5 Studs	Active ABS Encoder Ring
515036	Gen 3 (4WD Heavy Duty)	180	139.7	6 Studs	Integrated ABS Cable
HUB 081-11	Gen 2	120	108	4 Holes	Passive ABS Tone Ring
HUB 182-12	Gen 3	140	112	5 Studs	Active Magnetic Sensor
512150	Gen 3	135	100	4 Studs	Magnetic ABS Seal
512333	Gen 3	142	114.3	5 Studs	Active Sensor

FACTORY WORKSHOP

We continually invest in research and development to enhance our product offerings and manufacturing processes. Our goal is to maintain our position as a leader in the industry while embracing new technologies and trends that shape the future of metal production.

Factory workshop

CUSTOMER FEEDBACK

CUSTOMER VISITS

With a strong export network, Shandong Lu Tisco Stainless Steel Co., Ltd. serves clients across the globe. Our dedicated customer service team ensures that every client receives personalized attention, timely deliveries, and support throughout the product lifecycle.

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French customer factory order

Wheel Hub Units Assemblies