NTN - Precision Rolling Bearings

NTN Main Spindle Bearings
Main Spindle Bearings
9. Angular Contact Ball Bearings for Radial Loads CONTENTS
9. Angular Contact Ball Bearings for Radial Loads 56201
q Features of various types 56
w Standard cage design 58
e Bearing designations 58
r Bearing accuracy 60
t Internal clearance and standard preload of duplex angular contact ball bearings 62
y Recommended fit for angular contact ball bearings 68
u Duplex angular contact ball bearings 68
i Duplex arrangement codes of duplex angular contact ball bearings69
o Flush grinding and universal matching 69
!0 Angular contact ball bearings with ceramic balls 70
!1 Operating life of bearings with ceramic balls 71
!2 Recommended lubrication specifications 72
!3 Standard angular contact ball bearings
79U and 70U types 73
!4 High-speed angular contact ball bearings
HSE type74
!5 Super high-speed angular contact ball bearings
HSF type75
!6 Eco-friendly air-oil lubricated angular contact ball bearings
HSL type HSFL type 76
!7 Grease-lubricated sealed standard angular contact ball bearings
79LLB/70LLB types, 5S-79LLB/70LLB types 78
!8 Grease-lubricated sealed angular contact ball bearings
BNS type 5S-BNS type 80
!9 Dimension table
Standard angular contact ball bearing 82
High-speed angular contact ball bearings 110
Super high-speed angular contact ball bearings 134
Eco-friendly high-speed angular contact ball bearings 136
Eco-friendly super high-speed angular contact ball bearings 148
Grease-lubricated sealed standard angular contact ball bearings 150
Grease-lubricated sealed high-speed angular contact ball bearings 166
Angular contact ball bearings for motors and lathes 190
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