Achievements in the Development of Environmentally Friendly Products with a Neco Score of 1.2 or Higher

Fiscal 2021: One product
Eco-friendly product	NSK technology	Customer benefits	Neco
Super-Long Life for High-Load Drive Ball Screws	Optimization of load distribution Long life span	Electrification of industrial machinery Improved productivity Resource conservation through downsizing of machinery	1.30

Fiscal 2020: Six products
Eco-friendly product	NSK technology	Customer benefits	Neco
Low Friction Hub Unit Bearings for EVs	Improved base oil and thickener Reduced friction	Improved fuel economy (energy efficiency) Extended travel range	1.24
Technology to Reduce Machine Tool Quadrant Glitches in Circular Interpolation Motion by Stabilizing Friction in Ball Screws	Reduced frictional variation when the ball screw reverses direction of motion	Energy savings Improved productivity	1.48
ROBUSTDYNA™ Ultra-High Speed High Load Capacity Angular Contact Ball Bearings	High load capacity High impact resistance Ultra-high speed performance	Long-term stable operation Improved productivity	1.52
New Machine Tool Spindle Bearing Technology	Significant reduction of grease run-in time Lower temperature rise under oil-air lubrication High reliability roller-guided cage	Improved productivity High-reliability	1.32
Long Life Series DH/DS NSK Linear Guides^™	Application of TF “Tough” Technology Long life span	Improved productivity Energy savings	1.23
World's Fastest Ball Bearing for EV Motors (Gen 3)	Designed resin cage with new shape by applying topology optimization technology and simulation technology Adopted proprietary NSK grease for superior seizure resistance Adopted high rigidity resin material for cage	Smaller and lighter Extended travel range Improved fuel economy (energy efficiency)	1.51

Fiscal 2019: Six products
Eco-friendly product	NSK technology	Customer benefits	Neco
For automobiles Anti-Fretting Grease for Wear-Resistant Deep Groove Ball Bearings (in Japanese only)	Wear suppression Maintained heat resistance	Energy and resource conservation due to improved durability Noise/vibration reduced by improving fretting resistance	2.45
For EV gearboxes Tapered Roller Bearings for Lean Lubrication Conditions	Improved seizure resistance Reduced churning loss Reduced the amount of lubrication oil required by more than 95% Space-saving	Improved fuel economy (energy efficiency) Smaller and lighter Significantly reduced amount of lubrication oil required	1.73
General machinery and conveyance equipment NSK K1-L Lubrication Unit for NSK Linear Guides^TM	Significantly boosted lubrication capability Reduced friction Measures against damage and entry of foreign matter	Improved reliability Longer maintenance-free operation Energy savings due to reduced dynamic friction force	1.29
For vertical equipment and machinery Lift-Rotation Z-θ Actuator	Compact in-line arrangement of coaxial rotation and linear motion drive parts with a waterproof upper structure and brake mechanism Waterproof design	Small footprint	1.69
For EV motors Ultra-High-Speed Ball Bearings	Used proprietary NSK grease Cage with new shape and material	Smaller and lighter Improved fuel economy (energy efficiency) Improved reliability	1.33
For train gearboxes Low-Maintenance High-Reliability Bearings	Developed clearance adjustment technology Significantly increased cage strength Enhanced suppression of bearing creep	Low maintenance Reduced life cycle costs	1.41

Fiscal 2018: Two products
Eco-friendly product	NSK technology	Customer benefits	Neco
High Efficiency Motor Bearings	Loss reduction Extended product life	Energy savings Resource conservation	2.51
High-Durability Precision Ball Screws for High-Accuracy Machine Tools	Extended accuracy lifespan Reduced frictional torque during low-speed running Applied surface processing technology	Improved reliability Maintenance cycle extension Energy savings	1.53