• Metric Series
  • Inch Series
  • Extra Thin Metric
    Series Bearings
  • Large Size Stainless
    Series Bearings
  • Extra Thin Series
    Inch Bearings
  • Thrust Series
  • Inch Series Extended
    Inner Ring Bearings

helping the world move quietly

Since 1969, SPB has been the recognized as a world leader in the manufacture of precision miniature and medium-sized bearings in inch and metric dimensions, as well as chrome steel and stainless steel.


Essential Bearing Tolerance Insights
Come see us at: Essential Bearing Tolerance Insights

Precision tolerance is essential in machinery and mechanical systems, particularly for the operation and performance of ball bearings. These small yet indispensable components ensure the smooth functioning of various industrial machinery. Therefore, engineers, designers, and manufacturers must understand the significance of bearing tolerance, as it directly affects system efficiency, durability, and performance. This article will […]

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ISO 9001

ISO 9000, ISO 9001, and ISO 14001 Certified