Introduction to ball bearings

Introduction to ball bearings - © 1994 NTN NTN Bearing...

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Unformatted text preview: © 1994 NTN NTN Bearing Corporation 1 An Introduction to Ball Bearings Introduction . ......................................................................... 2 Principles of Friction . ............................................................ 2 Rolling Element Bearings. ...................................................... 2 Rolling Element Bearing Classifications . ................................ 3 Rolling Element Bearings and Tolerances . ............................. 3 Bearing Loads . ...................................................................... 3 Bearing Life . .......................................................................... 4 Applications . ......................................................................... 4 Standard Ball Bearing Components . ...................................... 4 Optional Bearing Components . ............................................. 5 Outer Ring Modifications . ..................................................... 7 Inner Ring Modifications . ...................................................... 7 NTN Designations for Machined Cages. ................................ 8 Basic Boundary Dimensions. ................................................. 8 Load Carrying Surfaces. ......................................................... 9 The Load Zone and Contact Points. ....................................... 9 Ball Bearings Types . .............................................................. 9 Radial Ball Bearings . ....................................................... 10 SRDG Cartridge Bearings . ............................................... 10 Maximum Capacity SRDG Ball Bearings . ........................ 10 TMB SRDG Ball Bearings . ................................................ 11 The 8000 Series Ball Bearing. .......................................... 12 Angular Contact Ball Bearings. ........................................ 12 Double Row Angular Contact Ball Bearings . ................... 14 Double Row Self Aligning Ball Bearings . ......................... 14 Thrust Ball Bearings . ....................................................... 14 Single Direction Thrust Ball Bearings . ............................. 14 Double Direction Thrust Ball Bearings . ........................... 15 Double Direction Angular Contact Thrust Ball Bearings . . 15 Ball Bearing Materials . ........................................................ 15 Repeatability in the Manufacturing Process . ........................ 17 The Internal Clearance of the Bearing . ................................ 17 The Basic Bearing Number System . ..................................... 18 The NTN Bearing Numbering System. ................................. 19 Glossary . ............................................................................. 20 NTN Bearing Corporation © 1994 NTN 2 Introduction Whether you’ve worked with bearings for many years or are new to your position, you most likely already know that bearings have been in use for...
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Introduction to ball bearings - © 1994 NTN NTN Bearing...

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