Description
Maximize load-bearing capacity and ensure total driveline power retention across your commercial fleet with the genuine ZF Heavy Duty Commercial Vehicle Tapered Roller Bearing. Engineered specifically for heavy-duty commercial truck gearboxes, axle drive differentials, and heavy transit hub assemblies, this OE-grade tapered bearing supports heavy combined radial loads and high axial thrust forces in a single direction. Pitted raceways, spalled steel rollers, improper preload setting, or thermal oil breakdown cause excessive shaft play, loud gear roaring, high operating temperatures, and sudden axle or transmission lockup. This original ZF tapered roller bearing solves those critical driveline failures directly. It features premium case-hardened alloy steel, optimized logarithmic roller contact geometry, a rigid steel cage, and micro-finished raceway surfaces to deliver uniform stress distribution, ultra-low friction torque, and uncompromised transport reliability in demanding fleet operations.
Technical Parameters
| Category | Specifications & Technical Details |
| Logarithmic Profile Roller Geometry | We precision-profile the tapered roller generatrix to a logarithmic curve. This completely eliminates edge stress under heavy-load bending, alternating impact, and high-torque load. As a result, it greatly improves spalling resistance life. |
| High-Purity Case-Hardened Alloy Steel | We manufacture the inner and outer rings and rollers from high-purity vacuum-degassed alloy steel. The surface achieves extremely high hardness and wear resistance, while the core retains high toughness to withstand severe impact. |
| Separable Adjustable Clearance Architecture | We use a separable tapered inner ring assembly (cone) and outer ring (cup) design. This makes precise press-fitting onto gearbox shaft journals and axle housings easier. Additionally, it efficiently sets the optimal working preload. |
| High-Strength Rigid Steel Roller Cage | We equip a reinforced heavy-duty steel cage. It evenly separates each tapered roller and keeps them perfectly parallel even at high speed and high oil temperature. |
| Optimized Contact Angle & Thrust-Load Ratio | We design a precisely matched contact angle. It evenly transfers radial load and high axial thrust along the inclined contact line. Therefore, it perfectly handles the lateral stress of heavy truck hill climbing, towing, and sharp cornering. |
Applicable Car Brands & Models
Common warning symptoms include:
Deep Transmission or Axle Roaring Noise: A low-pitched rumbling noise originating from the gearbox or differential housing that increases in pitch with vehicle speed.
Excessive Driveline Shaft Play: Radial or axial end-play detected on gearbox output shafts or differential pinion shafts during maintenance.
High Operating Oil Temperatures: Rapid temperature spikes on transmission housings caused by severe friction inside worn raceways.
Metal Shavings on Magnetic Plugs: Fine metallic flakes or roller surface fragments recovered during gear oil changes.
Premature failure is typically caused by incorrect bearing preload adjustment (too tight causing overheating or too loose causing shock chatter), contaminated gear oil, or thermal breakdown from low fluid levels.
Tapered roller bearings require exact axial end-play or preload setting according to OEM workshop manuals using dial indicators or torque wrenches. Incorrect preload drastically reduces bearing service life and risks thermal lockup.
Our 1-year warranty covers all raceway spalling, roller fatigue fracture, cage deformation, manufacturing dimensional flaws, and non-artificial mechanical failures under normal operating and lubrication conditions. If a bearing fails within 12 months, we provide prompt replacement or warranty processing upon inspection.
