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30211 BKL Brand Tapered Roller Bearing 55x100x21mmTapered roller bearings consist of four interdependent components: the cone (inner ring), the cup (outer ring), the tapered rollers (rolling elements) and the cage (roller retainer). Tapered roller bearings are uniquely designed to manage both thrust and radial loads between a rotating and non rotating member. The steeper the cup angle, the greater the ability of the bearing to handle thrust loads. Industries: Aerospace, agriculture, automotive, heavy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 599 reviews
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Product Reviews
★★★★★ 5
Great book
Format: Paperback
This book is enjoyable if you're 4 or 40.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2023
★★★★★ 5
Funny book!
Format: Paperback
My daughter loves this book in kindergarten! It motivates her to start reading. She thought it was so funny!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 5, 2020
★★★★★ 5
Wonderful and short introduction to plate tectonics for those with little background in Earth science or mathematics
Format: Paperback
Molnar does an excellent job explaining key elements of plate tectonics. His book is understandable even for those with little background in geology or geophysics. Molnar, an expert on mountain building, nicely explains how collisions of plates with continents atop cause mountain belts to form. He also questions the limitations of plate tectonics in explaining formation of such mountains. Understanding Molnar's very short book requires little mathematics. An ideal text for college science courses for non-science majors, and for those who want to understand the evolution of Earth's geological features and phenomena.
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Reviewed in the United States on February 3, 2017
★★★★★ 5
Easy to read
Format: Paperback
The book was an easy to read discussion of plate tectonics. The technical terms were easily understood and presented in an interest manner. Technically sound and entertaining is a winning combination for a science book! I wold recommend this book to anyone interested in the topic but is not a scientist in the field.
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Reviewed in the United States on November 29, 2018
★★★★★ 4
Very short and very good
Format: eTextbook
I read this book or one similar to it my senior year in high school 1970. It absolutely caught my attention as a way to explain why the continents had separated from Gondwanaland.
I really liked revisiting the theory in light of the advances made since then
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Reviewed in the United States on May 8, 2018
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