In modern mechanical design, thin-walled ball bearings are widely used in automated equipment, precision instruments, and high-end industrial machinery due to their lightweight, high strength, and space-saving characteristics. However, faced with numerous types of thin-walled ball bearings on the market, engineers and purchasing personnel often struggle to choose: which type is best suited for my equipment? What are their respective characteristics and advantages?
Thin-walled ball bearings are a special type of bearing characterized by their constant cross-sectional dimensions throughout the entire series, regardless of the bore diameter (unlike traditional bearing designs, where the cross-sectional dimensions increase with increasing bore diameter). This design can significantly save space and reduce weight.
This article will systematically analyze the main types, performance advantages, and typical application scenarios of thin-walled ball bearings, helping you to make a quick selection decision.
Main Types of Thin-walled Ball Bearings
1. Single-row thin-walled ball bearing with uniform cross-section
Features:
Single-row rolling element design, uniform wall thickness of inner and outer rings, lightweight overall.
Small axial dimension, suitable for compact mechanical structures.
Advantages:
Flexible installation, highly adaptable.
Low frictional resistance, smooth operation.
Typical applications:
Small motors and precision instruments
Household appliances
Low-load rotating parts in automated production lines.
2. Double-row thin-walled ball bearing with uniform cross-section
Features:
Two rows of rolling elements on the inner and outer rings, increasing load-bearing capacity.
Compact axial space, saving mechanical layout space.
Advantages:
Load-bearing capacity is 1.5~2 times higher than single-row bearings.
Good stability, suitable for bidirectional loads.
Typical applications:
Industrial robot joints
Precision transmission mechanisms
High-speed textile equipment.
3. Thrust Constant Cross-Section Thin-Wall Ball Bearing
Features:
Specifically designed for axial loads
Constant cross-section structure ensures lightweight construction
Advantages:
Clear load direction, reducing radial interference
Easy maintenance and replacement
…
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