Posted at 25 March 2019

Run Smoothly with NSK Bearings

Bearings are found in a wide variety of machinery, in fact, in most electric motors, pumps, fans and electrical appliances, and many of those will be designed and produced by NSK – one of the world’s leading and largest bearings manufacturers.

nsk bearing


NSK’s continual development and innovation has made a significant contribution to creating a lower friction, smoother operating, and more energy-efficient and sustainable society.

Research has shown that the world’s most widely used bearing is the ‘single row deep groove ball bearing,’ with both open and sealed standard variations.

‘Pre-greased for life’ bearings, with a seal at either side, contain enough grease to outlast the majority of general applications under normal operating conditions. This, in essence, saves on unnecessary maintenance, but reduces costs and the impact on OUR environment.

Fighting friction        

The dynamic co-efficient of friction of an open deep groove ball bearing is approximately 0.0013, resulting in a low torque operation, but by adding a contact seal to both sides, it increased torque and effectively the overall efficiency of the machine – in fact, by more than five times.

The innovative NSK solution combines the low running torque of a ZZ shielded bearing, with the contamination protection of DDU seals. The non-contact VV rubber seal is moulded so that the sealing lip sits tightly on the inner ring of all standard NSK deep groove ball bearings (10mm bore diameter upwards).

This provides a very fine clearance labyrinth with zero drag, low starting torque, maximum speeds, no excessive heat and, finally, increased grease retention and contaminant protection with the shielded design.

Choosing an NSK bearing goes a long way towards maintenance-free energy efficiency, and takes a step closer to a more sustainable society.

For more information, why not give one of our skilled and knowledgeable technicians a call on 0121 508 6000.

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