Miniature Bearings

Miniature bearings refer to ball bearings with small sizes. The following list shows the data of ball bearings whose inner diameters are less than 10mm. If you need a product with its inner diameter over 10mm, please visit the page of deep groove ball bearings. This miniature bearing catalog provides detailed specifications for each type, including outer diameter, width, load capacity, and operational speed limits. Whether you're looking for bearings for precision instruments, miniature motors, or other compact applications, our selection ensures you find the perfect fit for your project.

Inch Standard

Inch Standard

Inch size miniature ball bearings are single row ball bearings available from .0400" through .375" bore sizes.

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Inch Flanged

Inch Flanged

Inch Size Flanged Ball Bearings have a solid steel flange on the outer ring. This allows the bearing to be more easily located in a housing.

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Inch Extended

Inch Extended

Miniature Bearings with Extended Inner Ring have an inner ring that is wider than the outer ring. These bearings are easier to mount with the wider inner ring eliminating the need for spacers or washers.

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Inch Flanged Extended

Inch Flanged Extended

Miniature Flanged Bearings with Extended Inner Ring have an inner ring that is wider than the outer ring. The wide inner ring eliminates the need for spacers or washers.

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Metric Standard

Metric Standard

Metric size miniature bearings are single row ball bearings available from 1mm through 9mm bore sizes.

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Metric Flanged

Metric Flanged

Metric Size Miniature Flanged Ball Bearings are single row ball bearings available from 1mm through 9mm bore sizes. Metric flanged ball bearings have a solid steel flange on the outer ring.

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Miniature Thrust Bearings

Miniature Thrust Bearings

Miniature Thrust Ball Bearings are single direction thrust ball bearings, available from 2mm through 10mm bore sizes.

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