Tapered hole (with fastener)
UK2 (X, 3) Ordinary products
UK2 (3) R3 triple seal
A grease-sealed deep groove ball bearing composed of an outer ring with a spherical outer diameter surface equipped with an oil supply structure and an inner ring with a conical hole. According to the sealing device, it is divided into two types: ordinary products (with oil seal and oil throw ring) and triple seal ring products (accessory symbol R3).
The fixing to the shaft is performed by fasteners. UK type bearings (with fasteners) are most suitable for long shaft applications.
For UK type bearings, the nominal model number of applicable fasteners is appended to the nominal model number of the bearing.

Tapered hole (with fastener)
UK2 (X, 3) Ordinary products
UK2 (3) R3 triple seal
A grease-sealed deep groove ball bearing composed of an outer ring with a spherical outer diameter surface equipped with an oil supply structure and an inner ring with a conical hole. According to the sealing device, it is divided into two types: ordinary products (with oil seal and oil throw ring) and triple seal ring products (accessory symbol R3).
The fixing to the shaft is performed by fasteners. UK type bearings (with fasteners) are most suitable for long shaft applications.
For UK type bearings, the nominal model number of applicable fasteners is appended to the nominal model number of the bearing.