SET79 Heavy Duty Tapered Roller Bearing Assembly

Pre-Matched Assembly: Supplied as a ready-to-install SET, minimizing ordering confusion and speeding up axle repairs.
Massive Payload Capacity: Engineered to support colossal radial vehicle weight and heavy cornering thrust perfectly.
Shock Load Resistance: Advanced heat treatment creates a tough inner core that absorbs sudden mechanical impacts.
Optimized Raceway Geometry: Ensures a full line of contact between rollers and raceways, maximizing lifespan.

Technical Data

Technical Parameter	Metric Value
Inner Bore Diameter (d)	107.950 mm
Outer Diameter (D)	165.100 mm
Total Width (T)	36.513 mm
Precision Standard	ABEC-1 / P0

Product Specifications

Specification	Details
Item Type	Pre-Packaged Bearing Set
Model Number	SET79 (Includes Cone 56425 and Cup 56650)
Bearing Design	Single Row Tapered
Material	Vacuum-Degassed GCr15 Chrome Steel
Cage Material	Heavy-Duty Stamped Steel

Product Introduction

The SET79 is a pre-configured heavy-duty imperial tapered roller bearing assembly, globally recognized in the commercial vehicle aftermarket. Comprising the 56425 cone and 56650 cup, it features exact dimensions of 107.95 x 165.1 x 36.513 mm. Designed specifically to endure the colossal shock loads and severe heavy braking forces of commercial highway trucks and utility trailers, this bearing set delivers unyielding structural support. Forged from high-carbon chromium steel, the SET79 ensures prolonged fatigue life and exact wheel alignment for large-scale fleet operators and heavy machinery rebuilders.

Applications

Heavy commercial truck and semi-trailer wheel hubs.
Large-scale agricultural and construction equipment axles.
Heavy industrial gear reducers and rotary machinery.

FAQ

Q: Does SET79 always contain the 56425 and 56650 components?
A: Yes, in standard international nomenclature, SET79 specifically designates the pairing of the 56425 inner cone with the 56650 outer cup.
Q: Are material test certificates available for bulk orders?
A: Absolutely. We provide comprehensive Certificates of Analysis (COA) detailing material composition and dimensional accuracy.

OEM & Custom Service

We partner directly with heavy equipment suppliers to provide specialized anti-corrosion surface treatments, heavy-duty custom packaging, and guaranteed volume fulfillment.

Packing & Delivery

Bearings are heavily coated with industrial-grade rust inhibitors, sealed in heavy-gauge VCI polymer barrier bags, and packed into reinforced wooden export crates.