--- title: "Power Steering Systems | NN, Inc." canonical: "https://www.nninc.com/products/mechanical-power-transmission/steering-systems/" last_updated: "2024-08-02T21:35:09+00:00" --- # Beyond Reliable Power Steering Systems ## Valued Engineered Steering Components Power steering systems are used in nearly all vehicle types. From small cars to large trucks, gas, Deisel, and electric powered vehicles all have unique requirements for their steering systems. NN Inc precision manufacturing is capable of meeting the requirements for all types of steering systems including Column Drive, Rack Assist, Single and Dual Pinion, Servo/Hydraulic, and Rear Steering. NN Inc precision gear manufacturing of obtaining class 7 gear quality standards. Our precision OD grinding is capable of production tolerances of +/- 0.001mm (0.00004”). Our engineering staff can work with our customers to create the be value solution for their precision components requirements. ## Steering Systems What We Build NN Inc valued engineered precision components for power steering systems included Pinions, Worm Gears, input and output shafts, torsion pars and steering and ball nut. We will work with your team to create a manufacturing process to reach the best balance between cost and precision tolerancing. Helical Pinion Gears Helical Pinion Gears Straight Pinion Gears 01/03 ## Steering Pinions Straight and helical Pinion gears produced to a gear quality classification of 7/8. NN Inc. manufacturing capabilities in precision turning, hard hobbing, skiving, and grinding to OD tolerances of +/-0.001mm (0.00004”) [Get Started](https://www.nninc.com/contact/) Worm Gear Worm Gear Worm Gear 01/03 ## Worm Gears Worm gears or endless screws are manufactured to a gear quality classification of 7/8. NN Inc. manufacturing capabilities includes precision turning, gear cutting and rolling , and secondary finishing process [Get Started](https://www.nninc.com/contact/) Steering Input Shafts EPS Output Shafts Output Shafts 01/03 ## Input & Output Shafts NN Inc. process capabilities includes precision centerless or between centers grinding, induction and standard heat treating, spline, hobbing and rolled gears. Grinding tolerance range +/- 0.004mm (0.00016”) [Get Started](https://www.nninc.com/contact/) Torsion Bars Torsion Bars Torsion Bars 01/03 ## Torsion Bars NN Inc. process capabilities includes precision machining and grinding, induction and standard heat treating, Thread cutting and rolling. [Get Started](https://www.nninc.com/contact/) Rear Steering Actuator Ball Nut 01/03 ## Steering And Ball Nuts NN Inc. process capabilities include… [Get Started](https://www.nninc.com/contact/) ## NN Components How we build NN Inc. has extensive engineering experience with precision machining, grinding, gear manufacturing that is well suited to the manufacture of pinion and worm gears, input output shafts, torsion bars and steering and ball nuts. ### Precision Machining Capabilities - CNC Sliding Stock - CNC Fixed Stock - Cam Automatic Multi-Spindle - CNC Multi-Spindle - Rotary Transfer Machining - OD Toler. +/- 0.010 mm - ID Toler. +/- 0.010 mm - Concentricity: 0.020mm - Angular Position 0.050mm - OD Size Range 8 – 50mm - Length Range: 60 – 170mm ### Precision Grinding Capabilities - Thru-Feed OD - In Feed OD - Between Center OD - Centerless - ID Grinding - OD Toler. +/- 0.001 mm - Roundness 0.001 mm - Surface Finish: Rz 1.0 - OD Size Range 8 – 50mm - Length Range: 60 – 170mm ### Precision Gear Capabilities - Hobbing - Skiving - Shaping - Thread Milling - Rolling - Broaching ### Secondary Operation Capabilities - Hard Turning - CNC Chucker - CNC Milling - ID Honing - Diamond Bore Sizing - System Assembly - Ultrasonic Cleaning - Particle Counting - Gravimetric Analysis - Heat treating - Induction Heat Treating ### Quality Capabilities - Metrology Equipment - Optical Scanners - Precision Runout - Surface Finish Profilometer - Custom Hard Gaging - Gear Measurement - Quality Certifications - IATF-16949:2016 - ISO 9001:2015 - ISO 14001:2015 ## Contact Us and See What We Can Create Together [Contact Us](https://www.nninc.com/contact/) [![NN, Inc.](https://www.nninc.com/wp-content/themes/nninc/images/logo.svg)](https://www.nninc.com/) ## NN, Inc. 6210 Ardrey Kell Rd. 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