Tapered Roller Bearing 30312 J2/Q (SKF Brand)

The SKF 30312 J2/Q is a premium-grade single-row Tapered Roller Bearing manufactured by SKF (Sweden), engineered for high-performance commercial vehicle and industrial machinery applications.

Featuring a separable inner ring assembly with precisely matched tapered rollers (Cone) and an outer ring (Cup), this bearing is designed to withstand severe combined radial loads and heavy unidirectional axial forces. Built using SKF's ultra-clean alloy steels and advanced heat treatment processes, it ensures minimal friction, optimal load distribution, and exceptional operational reliability under heavy-duty cycles.

Technical Specifications:

Manufacturer: SKF (Sweden)

Part Reference: 30312 J2/Q / 30312

Fitting Position: Wheel Hub Assemblies, Transmissions, Differentials, and Heavy Axles

Dimensions:

Bore / Inside Diameter (d): 60 mm

Outside Diameter (D): 130 mm

Assembly Width (T): 33.5 mm

Cone Width (B): 31 mm

Cup Width (C): 27 mm

Weight: Approx. 1.85 kg

Primary Applications: Commercial truck gearboxes, axles, and industrial machinery.

OE / Cross Reference Numbers:

Mercedes-Benz: A0029801402, 0029801402

MAN: 06.32489.0019

FAG: 30312-A