Four TPI Core Technologies in Bicycle Application
TPI bearings are well-known and widely used in bicycle industry. For example, the hubs and wheelsets of Rio 2016 Olympic championship bicycle was supplied by a Swiss high-end bicycle component manufacturer who has long term cooperation with TPI. 
T1, T2, T3 Cage Testing and Analysis

Characteristics of three types of cages as shown in Table 1. below...

SUJ2, 2A, UL Bearing Material Testing and Analysis

SUJ2 is the standard bearing steel while 2A and UL represent SUJ2 treated with carbonitriding and ultra-clean process separately.

Bearing failure causes statistics
Based on years of bearing design and manufacturing experience, TPI is able to analyze the causes of bearing damage and failure. In previous technical paragraphs, effective solutions for different types of bearing failure were provided.
Ball Bearings for Bike Wheel Hubs
All ceramic ball bearing (S series) was an entirely successful solution for bike wheel hubs when TPI first issued in 2020. It, all ceramic ball bearing (S series), has both extraordinary material properties and bearing performance in our factory examination and on the field.
Deformation by Misassembling Causes and Countermeasures
  • How:

    1. Incorrect mounting method and mounting tool defect may lead to an overload force between bearing rings and rolling elements.
Relation Among Bearing Preload, Rigidity and Bearing Life

1.      Background

Most customers would like to know the expected rigidity and bearing life before finally choosing TPI bearings. For such circumstances, TPI provides a unique application to evaluate customer' s needs.

Endurance Running-in Test (Duration, Condition, Performance)

1.      Temperature Rise Test

Bearing TypeHS014CE1

Bearing ArrangementDTBT (<< >>)

Rotating Speed10000 RPM

ResultTPI bearings had lower temperature rise rather than the other competitors.

Precision Bearings Application Case Study (2)

1.      Background

Bearing Type7017AD/7015C

Bearing ArrangementDBT/DB (<>> / <>)

Rotating Speed5000 RPM

PhenomenonNoise was found at 4000RPM during running-in test.


Precision Bearings Application Case Study (1)

1.      Background

        Bearing Type7008C/7006C

        Spindle TypeSpindle of honing machine

        Bearing ArrangementDB/DB (<> / <>)

        Rotating Speed6000 RPM

        PhenomenonTemp. rise became over high during running-in test in factory.

Indentations from Particles Causes and Countermeasures
  • How:

    1. Solid contaminants can be introduced into a bearing via the seals or lubricant.
Bearings for spindles with P2 running accuracy
To achieve better manufacturing precision and lower spindle vibration, bearing running accuracy is the key point.

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