The NSK 30206 (often designated as HR30206J) is a premium single-row Tapered Roller Bearing manufactured by NSK (Japan), a world leader in bearing technology.
Comprising an inner ring with rollers (Cone) and an outer ring (Cup), it is specifically engineered to handle combination loads—simultaneous high radial and heavy unidirectional axial forces. Its high-grade steel construction ensures minimal friction, high operational reliability, and long service life under heavy loads.
Technical Specifications:
Manufacturer: NSK (Japan)
Part Number: 30206 / HR30206J
Bore / Inside Diameter (d): 30 mm
Outside Diameter (D): 62 mm
Total Assembly Width (T): 17.25 mm
Cone Width (B): 16 mm
Cup Width (C): 14 mm
Weight: Approx. 0.23 kg
Primary Applications: Vehicle wheel hubs, transmissions, differentials, drive axles, and heavy-duty industrial machinery.