For New Technology Network

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corporation

Ball and Roller Bearings

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Technical Data

A-

5

Deep Groove Ball Bearings

B-

5

Miniature and Extra Small Bearings

B- 29

Angular Contact Ball Bearings

B- 41

Self-Aligning Ball Bearings

B- 77

Cylindrical Roller Bearings

B- 89

Tapered Roller Bearings

B-131

Spherical Roller Bearings

B-229

Thrust Bearings

B-265

Locknuts, Lockwashers & Lockplates

C-

1

Catalog List & Appendix Table

D-

1

Warranty
NTN warrants, to the original purchaser only, that the delivered product which is the subject of this sale (a) will conform to drawings and specifications mutually established in writing as applicable to the contract, and …ver más…

NTN
Ball and Roller Bearings

TECHNICAL DATA CONTENTS

1. Classification and Characteristics A-5 of Rolling Bearings
1.1 Rolling bearing construction 1.2 Classification of rolling bearings 1.3 Characteristics of rolling bearings A-5 A-5 A-9

4.6 Bearing rated life and load calculation examples

A-26

5. Boundary Dimensions and Bearing Number Codes
5.1 Boundary dimensions 5.2 Bearing numbers

A-28 A-28 A-29

2. Bearing Selection
2.1 Bearing selection flow chart 2.2 Type and character is tics 2.3 Selection of bearing arrangement

A-10 A-10 A-12 A-13

6. Bearing Tolerances
6.1 Dimensional accuracy and running accuracy 6.2 Chamfer measurements and tolerance or allowable values of tapered hole 6.3 Bearing tolerance measurement methods

A-33 A-33 A-44 A-46

3. Load Rating and Life
3.1 Bearing life 3.2 Basic rated life and basic dynamic load rating 3.3 Machine applications and requisite life 3.4 Adjusted life rating factor 3.5 Basic static load rating 3.6 Allowable static equivalent load

A-15 A-15 A-15 A-16 A-16 A-17 A-18

7. Bearing Fits
7.1 Interference 7.2 The necessity of a proper fit 7.3 Fit selection

A-47 A-47 A-47 A-47

4. Bearing Load Calculation
4.1 Loads acting on shafts 4.2 Bearing load distribution 4.3 Mean load 4.4 Equivalent load 4.5 Allowable axial load for cylindrical