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Technical Info
Mniature Radial Ball Bearing Overview
Miniature Radial Ball Bearing Component identification
Bearing types
Bearing nomenclature
Materials
Chrome steel
Stainless steel
Cages/Retainers
Shields and Seals
Ball Bearing Geometry
Raceway curvature
Radial and axial play
Standard Radial play ranges and Ball Bearing Applications
Contact angle
Graph of Initial Contact Angle vs Radial Play
Land and pitch diameter
Free angle of misalignment
Miniature Radial Ball Bearing Tolerances
ABEC and ISO tolerances
ABEC/ISO charts
Inner ring tolerances
Outer ring tolerances
Ball Bearing Lubrication
Purpose of ball bearing lubrication
Ball Bearing Lubricant types
Ball Bearing Grease components
Grease characteristics
Lubrication methods
Lubricant shelf life
Speed limitation (lubricant factor)
Lubricant charts
Oil Lubricants
Grease Lubricants
Load Rating and ball Bearing Life
Basic bearing fatigue life
Temperature correction factor
General correction factor
Maximum static load
Equivalent dynamic load
Equivalent load nomographs
Axial Load nomograph
Radial Load nomograph
Predicted bearing life
Ball Bearing Torque
Ball Bearing Torque factors
Average Ball Bearing torque
Ball Bearing Noise
Mounting and Fitting
Recommended fits
I
nterference fits
Shoulder design
Relative thermal expansion
Preload
Preload assembly methods
Preload calculation
Bearing Handling
Contamination
Excessive force
Moisture and humidity
Alignment
Magnetism
Adhesive Practices
Adhesive types
Adhesive grooves
Applying adhesive
Assembly Characteristics
Torque analysis
Stiffness
Resonance
Useful Conversions
 
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MINIATURE RADIAL BALL BEARINGS

Miniature Radial Ball Bearings - Dynaroll Corporation was founded in 1988 and has become one of the world's largest independent suppliers for miniature radial ball bearings to the automotive, medical, aerospace and other high-precision industries.  Miniature radial ball bearings Manufacturing facilities in San Fernando, California and Kuala Lumpur, Malaysia.

Ball Bearing Manufacturing - Ball Bearing Overview.

For miniature radial ball bearings, single-row deep groove radial ball bearings are the most common type of miniature radial ball bearings, having a wide range of suitable applications. The raceway grooves on both inner and outer rings have circular arcs of slightly larger radius than that of the balls. In addition to radial loads, axial loads can be applied in either direction. Because of their low torque, they offer high speed operation with low power loss. miniature radial ball bearings and instrument radial ball bearings are made with very high levels of precision, therefore these are generally used in applications where accurate rotational performance and low torque is necessary, and load capacity is a secondary issue
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Ball Bearing - Tables
The ball bearings listed in these ball bearing tables are available in a variety of different grades. As discussed, ABEC and ISO standards only cover part of the overall picture for ball bearings, particularly for more demanding applications. Beyond the basic dimensions and tolerances of ball bearings, characteristics such as raceway finish, cage quality, ball matching and consistency of internal geometry can affect the performance of an individual bearing in its application. These characteristics are generally determined by the level of sophistication of the equipment used to manufacture the ball bearings. This sophistication, in turn, affects the cost and availability of the bearing. All Dynaroll bearings are guaranteed to meet stated performance specifications, and bearing quality is monitored according to ISO 9000 quality standards. It is recommended that demanding applications for ball bearings are discussed with a bearing engineer at Dynaroll.
COMPONENT INDENTIFICATION



BEARING TYPES

Standard Open
Standard Shielded
Flanged Open
Flanged Shielded