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Electrical Accessories NSK's engine and engine-driven accessory bearings have a successful record of operating under the harsh conditions and the severe environment of the engine bay, which includes high temperatures, freezing temperatures, vibrations, drastic load changes, and exposure to water, sand and dust. Technologies applied to bearing and component materials and lubrication have resulted in products that operate with low friction, are compact, and have a long service life. These technologies contribute to improve fuel economy, high performance, and low noise.
  • Compressor
  • Motor
  • Alternator


Thin Cross-section Double Row Angular Contact Ball Bearing (also known as Magnetic Clutch Bearing)

Magnetic Clutch bearing with high sealing performance, high moment rigidity, and long life, are used in a number of applications from A/C compressors to water pumps or belt pulleys.

Thrust Needle Roller Bearings with Integrated Races for Compressors

High durability under the alternative coolant (non-Freon type) and high rotating speed.

Drawn-Cup Needle Roller Bearings for Compressors

High durability under the alternative coolant (non-Freon type) and high rotating speed.


Bearings for Throttle Motor, Bearings for EGR Motor

Low torque for low temperatures, and long life under high temperatures have been achieved with our newly developed exclusive grease.

Bearings for Cooling Fan Motor

Long life for high temperature and brush wear particle conditions have been achieved with special grease.

Needle Roller Bearings for ABS Motor

Reduced weight and costs have been achieved with pressed outer ring.


Bearings for Alternator

Highly reliable alternator bearings that offer high performance under high temperature conditions, high speed, with sealing capability. Includes creep prevention function between the bearing and housing.

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