Bearing Bore Diameter (d): How to Measure and Choose
A bearing’s bore diameter — designated as d — is the inner diameter that mounts onto a shaft. This single dimension determines how securely the bearing fits, how accurately it...
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Blogs
Explore the latest bearing knowledge, technical articles, product guides and industry insights from Duhui Bearing.
Tapered Roller Bearing vs Spherical Roller Bearing: Key Differences and How to Choose
Are you designing a gearbox that needs to handle both radial shaft loads and axial thrust forces—or a mining conveyor where shaft misalignment is unavoidable? Selecting the right roller bearing...
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Common Materials Used in Electric Bicycle Bearings
Electric bicycle bearings are subject to higher loads and speeds than standard bicycle bearings due to motor assistance and the added weight of batteries. The choice of bearing material directly...
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6802 Bearings Complete Guide
The 6802 bearing is a compact deep-groove ball bearing with an inner diameter of 15 mm, an outer diameter of 24 mm, and a width of 5 mm. This metric...
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Ceramic Bearings vs. Chrome Steel Bearings
Engineers and procurement professionals often ask: which bearing material delivers better performance for a given application — ceramic or chrome steel? The answer depends on operating speed, load, environment, and...
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686 Bearings Complete Guide
The 686 bearing is a miniature deep groove ball bearing widely used in applications where space is limited but rotational precision is required. With an inner diameter of 6 mm,...
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