Technical resources
Bearing guides
Practical references for confirming a replacement before requesting a quotation.
Written for buyers sourcing factory-direct from China — apply these checks, then confirm the model, suffix, and quotation with KIHOI.
Bearing Clearance GuideC0, C3, C4 explained. How to choose the right internal clearance for temperature, speed, and fit.Bearing Failure AnalysisBearing failure causes explained: fatigue spalling, lubrication failure, contamination, misalignment, and corrosion — identify the mode and fix the root cause.Bearing Installation Best PracticesStep-by-step bearing installation: mounting, fitting, alignment, lubrication. Maximize service life.Bearing Lubrication GuideGrease vs oil, relubrication intervals, grease compatibility, quantity calculation.Bearing Selection GuideHow to select the right bearing: load, speed, temperature, lubrication. Step-by-step guide for MRO engineers. Factory-direct from China.Bearing Size Chart: 6000, 6200, 6300 SeriesBearing size chart for 6000, 6200, and 6300 series — bore, OD, and width for 63 standard models, with open, ZZ, and 2RS availability. ISO 15:2011 dimensions.Deep Groove vs Angular ContactCompare deep groove and angular contact bearings: load capacity, speed, contact angle, and when to use each.SKF FAG NSK Bearing InterchangeComplete guide to cross-referencing SKF, FAG, NSK, NTN, Timken bearings. Read interchange charts.