Wrench Type Cartridge For NSK Pana Air Standard NPA-S03

Model:

NK-R04(Economic)

RPASR(Standard)

Compatible With NSK NPA-S03, Pana Air Standard Wrench Type

Note: This is the economic type cartridge, we don’t offer any warranty for them. As the feedback from our clients, the cartridge works for more than 4 months without any problem. We estimate the cartridge to work for 9 months to 12 months. Its life depends on the working and maintaining condition.

About Spindle

Kavo Type (Carbide Bush):

Chuck grid power more than 3.50KG, durable life time with carbide bush, warranty 6 months.

NSK Clamp Pad Type:

Chuck grid power more than 2.20KG, durable working life time, warranty 6 months.

Kavo Type (Steel Bush): 

Chuck grid power more than 3.50KG, warranty 3 months.

Economic Type:

Available in Kavo and NSK type, no warranty.

About Bearing

Germany/Japan bearing: 

Apply Myonic/NSK/GRW angular contact bearings, quiet and durable, works 9-12 months or above.

NSK quick stop bearing:

Apply NSK quick stop bearing, turbine stop in a second, quiet and durable, works 9-12 months or above.

Angular contact bearing:

Apply the best Chinese angular contact bearing, quiet and durable, quiet and durable, works 6-12 months or above.

Radial (deep groove）Bearing: 

Apply good quality Chinese deep groove bearing, works around 6-12 months or above.

Economic type bearing:

Apply economic type deep groove bearing, works around 3-9 months or above.

The life time of the bearings are variously according to the use frequecy and maintenance. The best bearing may fail in very short time without maintenance or bad maintenance oil. First of all, the most important thing is to mount the rotor in the correct way.