A normal anti-friction bearing temperature operating range is: Power Engineering Chapter 77 A normal anti-friction bearing temperature operating range is: a. 150°C to 160°C b. 120°C to 250°C c. 20°C to 50°C d. 65°C to 70°C e. 80°C to 120°C Answer: D Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+