6321AV Nilos Ring for 6321 Bearings Shields the 6307-2Z/C3 is protected from

the 6307-2Z/C3 is protected from larger particles and contaminants while maintaining low-friction operation

Dia Over Chain A: 25

RHP designation: SL1/2

The NK21/16-XL is designed for use where the shaft can serve as the raceway surface

the 51-57 Simplex Taper Lock Sprocket delivers dependable operation

6321AV Nilos Ring for 6321 Bearings Shields the 6307-2Z/C3 is protected fromDesigned to keep dirt, dust, debris and other abrasive contaminants out of ball and roller bearings, all metal NILOS Rings help extend bearing uptime in the harshest operating environments and industries. Precision manufactured for robust durability, standard NILOS Rings are produced from galvanized steel. These all metal seals are ideal for grease lubricated anti friction bearings in industrial environments that routinely generate excessive