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DAC40740036/34 Wheel Bearing Dac32720038 Dac39720037 for Auto Parts [WARN] draft identifier mismatch
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Wheel Hub Bearing

DAC40740036/34 Wheel Bearing Dac32720038 Dac39720037 for Auto Parts [WARN] draft identifier mismatch

DAC255200206 Wheel Hub Bearing 25×52×20.6 mm — Double row unseparated hub unit with integrated ABS ring and C2 clearance for automotive wheel applications.

  • Chrome steel construction rated P0 through P2 precision
  • Vibration grades V1–V3 and noise levels Z1–Z3 available to match OEM requirements
  • Grease or oil lubrication for varied operating conditions

Every unit ships with manufacturer batch traceability and QR codes for direct factory record verification.

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Typical Applications
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Mining
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Product Details

Multi-Brand Authorized Coverage — Source the DAC255200206 wheel hub bearing alongside SKF, FAG, or NSK equivalents in a single consolidated shipment without juggling multiple vendors.

Technical Specifications

Parameter Value
Designation DAC255200206
Bearing Type Wheel Hub Bearing
Bore Diameter (d) 25 mm
Outside Diameter (D) 52 mm
Width (B) 20.6 mm
Number of Rows Double Row
Arrangement Unseparated
Material Chrome Steel
ABS Ring With ABS
Clearance Class C2
Precision Class P0, P6, P5, P4, P2
Lubrication Grease or Oil
Vibration Level V1, V2, V3
Noise Level Z1, Z2, Z3
Certification ISO9001, TS16949, CE
Origin Shandong, China

Application Suitability

Industry Typical Applications
Automotive Repair & MRO Passenger car front and rear wheel hub assemblies
Heavy Vehicle Repair Light commercial vehicle steering knuckle hubs
Fleet Maintenance High-mileage suspension and brake system overhauls

Why Base Numbers Fail the DAC255200206 Wheel Hub Bearing

Matching dimensions is only the first step; internal geometry dictates survival.

Sourcing auto parts based purely on outer dimensions often leads to catastrophic field failures. I have seen hub assemblies disintegrate on Dubai highways because the replacement unit lacked the correct internal clearance for high-ambient thermal expansion. When the base number matches but the ABS ring configuration or internal seal design differs, the braking system loses communication or the bearing ingests desert dust [NEED_CITE: rolling bearing failure mode classification per ISO 15243]. True reliability requires verifying every suffix and internal feature against the original equipment specifications.

DAC255200206 wheel hub bearing cross section showing ABS ring and double row arrangement

Aligning the DAC255200206 Wheel Hub Bearing with Hub Dynamics

Selecting the correct DAC255200206 wheel hub bearing involves more than checking the 25mm bore and 52mm outer diameter. Our technical team reviews the specific vehicle’s cornering loads and braking torque to ensure the unseparated double row arrangement provides adequate rigidity. By cross-referencing the exact ABS ring tooth count and signal type, we prevent dashboard warning lights and ensure seamless integration with the vehicle’s electronic stability control systems.

Thermal and Contamination Challenges in Wheel Hubs

Wheel hubs endure severe combined loading, absorbing heavy radial impacts from potholes while managing axial thrust during tight cornering. In high-temperature environments, inadequate clearance causes the internal components to bind, leading to rapid thermal degradation of the lubricant. Furthermore, exposure to road salt, brake dust, and high-pressure car washes demands robust sealing solutions. Selecting the appropriate seal friction profile and factory grease fill is critical to preventing moisture ingress and premature raceway spalling [NEED_CITE: bearing contamination impact on L10 life per ISO 281].

Decoding the DAC255200206 Dimensions and Features

The designation DAC255200206 directly translates to a 25mm bore, 52mm outside diameter, and a 20.6mm width, forming a compact yet rigid unseparated double row unit. The integrated ABS ring is engineered for direct compatibility with modern magnetic wheel speed sensors, eliminating the need for external tone rings. Available in precision grades up to P2 and vibration levels up to V3, this chrome steel construction ensures smooth rotation and minimal noise. The C2 clearance class is specifically chosen to accommodate the interference fits typical in hub knuckle assemblies without inducing excessive internal preload.

Chrome steel wheel hub bearing material options and ABS sensor ring configurations

The Hidden Costs of Incorrect Hub Selection

Installing a hub unit with the wrong clearance or an incompatible ABS ring leads to unplanned downtime and compromised vehicle safety. A bearing that binds due to incorrect internal geometry will overheat, potentially seizing the wheel and causing catastrophic damage to the steering knuckle and brake caliper. Furthermore, mismatched sensor rings trigger ABS fault codes, voiding vehicle warranties and forcing mechanics to repeat the entire labor-intensive replacement process [NEED_CITE: automotive warranty voidance due to non-OE parts].

Why Procure Your Hub Units Through Us

We eliminate the guesswork in cross-referencing by verifying not just the base DAC255200206 number, but also the exact width and ABS configuration against OEM databases. Our inventory includes traceable units that match the required C2 clearance, preventing the thermal binding issues common with standard CN replacements. Every shipment is backed by manufacturer documentation, ensuring you receive genuine chrome steel components rather than soft-ringed counterfeits. We consolidate mixed-brand orders, allowing you to source this hub bearing alongside other drivetrain components in a single shipment.

Documentation & Authenticity

  • Certificate of Conformity verifying ISO9001 and TS16949 manufacturing standards for this DAC255200206 batch.
  • Batch and lot traceability linking the specific wheel hub bearing to its original chrome steel heat treatment records.
  • QR verification via official brand apps to confirm authenticity and rule out cloned packaging.
  • Dimensional inspection report confirming the 25mm bore and 20.6mm width tolerances match P-grade requirements.
  • Running accuracy test data validating V-level vibration and Z-level noise limits before dispatch.

Storage, Handling & Mounting

  • Store the DAC255200206 in its original unopened packaging to protect the factory grease and ABS ring from moisture.
  • Avoid dropping the unseparated double row unit, as impact shocks can dent the chrome steel raceways and cause noise.
  • Press the bearing into the knuckle using a tool that applies force only to the outer ring to protect the internal geometry.
  • Do not wash the integrated ABS ring with harsh solvents that could degrade the magnetic encoder surface.
  • Verify the ABS sensor air gap immediately after mounting the 20.6mm wide hub unit to ensure proper signal transmission.

Technical Review and Inquiry Preparation

To ensure the DAC255200206 wheel hub bearing perfectly matches your application, please provide the specific vehicle make, model, and year. Sharing the original equipment manufacturer part number allows our engineering team to perform a precise cross-reference check, verifying the ABS ring configuration and exact width. This technical review guarantees the replacement unit meets all structural and electronic requirements for your fleet or repair shop.

Frequently Asked Questions

Q: How do I verify the ABS ring compatibility for this wheel hub bearing?
A: The integrated ABS ring must match the vehicle’s sensor type, whether magnetic or inductive. We verify the exact tooth count and magnetic pole pitch against the OEM specifications during our cross-reference review. This ensures the electronic stability control system receives accurate wheel speed data without triggering dashboard fault codes after installation.

Q: Why is C2 clearance specified for this double row hub unit?
A: Wheel hub bearings are typically installed with a heavy interference fit into the steering knuckle. This tight fit reduces the internal radial clearance of the bearing. The C2 clearance class is specifically designed to compensate for this reduction, ensuring the bearing maintains optimal internal geometry and does not bind or overheat during operation.

Q: What causes premature failure in cloned wheel hub bearings?
A: Counterfeit units often use soft inner rings that lack proper heat treatment, leading to rapid wear and structural collapse under cornering loads. Additionally, cloned bearings may feature incorrect seal designs that allow water and brake dust to contaminate the grease. Sourcing fully traceable, genuine units eliminates these hidden metallurgical and design flaws.

Q: Can I cross-reference DAC255200206 to other automotive brands?
A: Yes, we can cross-reference this designation to equivalent part numbers from major manufacturers. Our technical team checks beyond the base number to ensure the 20.6mm width, ABS ring type, and mounting flange geometry perfectly align with your specific vehicle application, preventing installation issues and ensuring reliable performance.

Product Summary
Product Name
DAC40740036/34 Wheel Bearing Dac32720038 Dac39720037 for Auto Parts [WARN] draft identifier mismatch
Category
Wheel Hub Bearing
Brand
SKF
Certification
ISO 9001 · TS 16949
Lead Time
7 Working Days
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