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Bearings • Miniature Bearings

Miniature ball bearings are machined components constructed from an outer race, inner race, balls, retainers, shields, and snap rings. Because rolling balls have a lower coefficient of friction than do two flat surfaces that rotate on each other, these bearings reduce rotational friction while still supporting radial and axial loads. Due to limited contact area between the balls and races, however, miniature ball bearings have a proportionally lower load capacity compared to other rolling-element bearings.Miniature bearings are produced in a variety of configurations, including open, shielded, or sealed, with or without lubrication, and bore diameter sizes as small as 0.6 mm. They can be used in fractional horsepower motors, domestic appliances, precision instruments, tape recorders, and other similar devices.Leading manufacturers: VXB, Boca Bearings, Dynaroll, NMB Tech, Shanhai Lily, SMB, TOK Bearing Co., Ltd.

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  • Dynaroll Corp.

    Dynaroll is a manufacturer of metric precision miniature ball bearings with bore sizes ranging from 1mm to 9mm / OD from 3mm to 7mm are available.  Types of miniature bearings include standard and flanged open, and standard and flanged shielded.

  • Impact Bearing

    Impact is a manufacturer of a metric series of miniature bearings.  These are are single row ball designs and are available from 1 mm to 10-mm bore sizes. The construction of these products enables them to carry moderate radial and thrust loads at low operating torque and provide high performance. Their metric series miniature ball bearings are available in stainless steel and chrome steel, and come in open sealed and shielded configurations.

  • PIB Bearing, Inc.

    Pacific is a manufacturer of a complete line of miniature bearings with a variety of seal, retainer and material options.  Products are available in stainless steel, chrome and Chromex 40, which is a highly-alloyed steel with increased resistance to fatigue and corrosion.

  • VXB Ball Bearings

    VXB is a manufacturer of metric and inch miniature ball bearings.  Bore sizes range from 1mm to over 32mm inner diameter. These products are typically used in fishing reel, miniature RC, and miniature slot car applications among others, and are offered in chrome, carbon or stainless steel.

  • NMB Technologies

    NMB is a manufacturer of miniature precision ball bearings. These machined components include an outer and inner ring, balls, retainers, shields and snap rings.  Products are available in inch and metric sizes, open or shielded, and flanged or unflanged.