Precision miniature ball bearings — Small bearings for highest demands

Precision miniature ball bearings are optimized for extremely accurate, low-vibration, and silent operation. They withstand radial and axial forces and are manufactured to higher tolerance classes than regular miniature ball bearings.

Special feature of this series
Main dimensions according to DIN 625-1. Precision miniature deep groove ball bearings of this series are comparatively small and have an inner diameter of 2 to 9 millimeters. Therefore, they are suitable for relatively thin shafts and axis as well as for small space requirements. In the ratio to its small size, they can take up relatively high loads. They are suitable for high up to extremely high rotational speeds and are built to other tolerance classes than regular miniature deep groove ball bearings.
Tolerance classes
Precision ball bearings are manufactured to other tolerance classes than regular ball bearings. This means that deviations in the dimensional and shape accuracy are lower than in bearings that are manufactured according to normal tolerances. They are therefore suitable for applications in which the highest precision in terms of dimensions and dimensional accuracy is required. The more precise production also has a positive effect on the running accuracy, the resulting friction and the noise development. The tolerance class P6 is more accurate than the normal tolerance. P5 is even more accurate than P6. The smaller the number behind the P, the higher the tolerance class.
Internal clearance
A standard internal clearance (CN) is suitable for the operation of the bearing in case of ordinary temperatures and for customary fits. An increased internal clearance (C3) is recommendable in case of high temperature gradients between the rings or in case of fixing the bearing through a press fit. | more
Seals
Rubber seals (RS/2RS) have the optimum sealing action with increased friction. Metal seals (Z/ZZ) are suitable for higher speeds, but they have a limited sealing action as they seal contactless. Open, seal-less bearings are suitable for extremely high speeds and - furthermore - they can be regreased more easily. However, they are more susceptible to soiling. | more

Versions of precision miniature ball bearings

Single row

Main dimensions according to DIN 625-1. Inside diameter below 10 mm. "All-round bearing". Versatile.

Precision miniature ball bearings with a flanged outer ring

For simplified locating bores in which the bearing is supposed to be axially fixed. Inside diameter below 10 mm.

Material description of precision miniature ball bearings

Precision miniature ball bearings made of rolling bearing steel

are extremely economical, withstand extremely high load-ratings and are suitable for temperatures from circa -10°C up to +120°C, in case of rubber seals up to circa +100°C in the long run. The rolling bearing steel is wear-resistant, shock-resistant, conductive and magnetic.

Precision miniature ball bearings made of stainless steel

are hygienic, corrosion-resistant, lubricated with grease for the food industry, offer high load-ratings and are admissible for a temperature range from circa -20°C up to +120°C, in case of rubber seals up to circa +100°C in the long run.

Hybrid bearings with ceramic balls and rings made of stainless steel or rolling bearing steel

are subject to a lesser wear and tear compared to bearings of similar size with steel balls. The ceramic balls are current insulating - optimally for use in engines and generators. Hybrid bearings are lighter than bearings with steel balls of the same size, withstand higher speeds and operate in a temperature range from circa -20°C up to +130°C, in case of rubber seals up to circa +100°C in the long run.

High Precision Miniature Ball Bearing SS-682-ZZ-CN-V2-P6-SRL 2x5x2.3 mm

  • Price list:
  • from 4 pcs. per 4,18 €
  • from 10 pcs. per 3,95 €
  • from 50 pcs. per 3,71 €
  • from 200 pcs. per 3,49 €
  • from 1000 pcs. per 3,25 €

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4,64 €

including 19% VAT., plus shipping charge

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High Precision Miniature Ball Bearing SS-MR-63-ZZ-CN-V2-P6-SRL 3x6x2.5 mm

  • Price list:
  • from 4 pcs. per 2,48 €
  • from 10 pcs. per 2,28 €
  • from 50 pcs. per 2,13 €
  • from 200 pcs. per 1,99 €
  • from 1000 pcs. per 1,86 €

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2,98 €

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High Precision Miniature Ball Bearing C-683-ZZ-CN-V2-P6-AF-12 3x7x3 mm

  • Price list:
  • from 4 pcs. per 6,09 €
  • from 10 pcs. per 5,71 €
  • from 50 pcs. per 5,33 €
  • from 200 pcs. per 5,11 €
  • from 1000 pcs. per 4,95 €

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7,61 €

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High Precision Miniature Ball Bearing SS-683-ZZ-CN-V2-P6-SRL 3x7x3 mm

  • Price list:
  • from 4 pcs. per 2,62 €
  • from 10 pcs. per 2,42 €
  • from 50 pcs. per 2,25 €
  • from 200 pcs. per 2,09 €
  • from 1000 pcs. per 1,96 €

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3,15 €

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High Precision Miniature Ball Bearing 623-ZZ-CN-V2-P6-SRL 3x10x4 mm

  • Price list:
  • from 4 pcs. per 1,49 €
  • from 10 pcs. per 1,39 €
  • from 50 pcs. per 1,30 €
  • from 200 pcs. per 1,25 €
  • from 1000 pcs. per 1,20 €

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1,86 €

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High Precision Miniature Ball Bearing SS-623-ZZ-CN-V2-P6-AF-12 3x10x4 mm

  • Price list:
  • from 4 pcs. per 2,48 €
  • from 10 pcs. per 2,28 €
  • from 50 pcs. per 2,13 €
  • from 200 pcs. per 1,99 €
  • from 1000 pcs. per 1,86 €

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2,98 €

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High Precision Miniature Ball Bearing SS-MR-74-ZZ-CN-V2-P6-SRL 4x7x2.5 mm

  • Price list:
  • from 4 pcs. per 2,48 €
  • from 10 pcs. per 2,28 €
  • from 50 pcs. per 2,13 €
  • from 200 pcs. per 1,99 €
  • from 1000 pcs. per 1,86 €

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2,98 €

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High Precision Miniature Ball Bearing SS-MR-84-ZZ-CN-V2-P6-SRL 4x8x3 mm

  • Price list:
  • from 4 pcs. per 2,55 €
  • from 10 pcs. per 2,36 €
  • from 50 pcs. per 2,19 €
  • from 200 pcs. per 2,03 €
  • from 1000 pcs. per 1,92 €

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3,06 €

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High Precision Miniature Ball Bearing SS-684-ZZ-CN-V2-P6-SRL 4x9x4 mm

  • Price list:
  • from 4 pcs. per 2,62 €
  • from 10 pcs. per 2,42 €
  • from 50 pcs. per 2,25 €
  • from 200 pcs. per 2,09 €
  • from 1000 pcs. per 1,96 €

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3,15 €

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High Precision Miniature Ball Bearing SS-F-684-ZZ-CN-V2-P6-SRL 4x9x4 mm

  • Price list:
  • from 4 pcs. per 6,88 €
  • from 10 pcs. per 6,52 €
  • from 50 pcs. per 6,37 €
  • from 200 pcs. per 6,08 €
  • from 1000 pcs. per 5,94 €

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7,24 €

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High Precision Miniature Ball Bearing SS-MR-85-ZZ-CN-V2-P6-SRL 5x8x2.5 mm

  • Price list:
  • from 4 pcs. per 2,55 €
  • from 10 pcs. per 2,36 €
  • from 50 pcs. per 2,19 €
  • from 200 pcs. per 2,03 €
  • from 1000 pcs. per 1,92 €

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3,06 €

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High Precision Miniature Ball Bearing SS-MR-95-ZZ-CN-V2-P6-SRL 5x9x3 mm

  • Price list:
  • from 4 pcs. per 2,55 €
  • from 10 pcs. per 2,36 €
  • from 50 pcs. per 2,19 €
  • from 200 pcs. per 2,03 €
  • from 1000 pcs. per 1,92 €

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3,06 €

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High Precision Miniature Ball Bearing MF-105-ZZ-CN-V2-P6-SRL 5x10x4 mm

  • Price list:
  • from 4 pcs. per 2,55 €
  • from 10 pcs. per 2,36 €
  • from 50 pcs. per 2,19 €
  • from 200 pcs. per 2,03 €
  • from 1000 pcs. per 1,92 €

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3,06 €

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High Precision Miniature Ball Bearing MR-115-ZZ-CN-V2-P6-SRL 5x11x4 mm

  • Price list:
  • from 4 pcs. per 1,70 €
  • from 10 pcs. per 1,57 €
  • from 50 pcs. per 1,45 €
  • from 200 pcs. per 1,36 €
  • from 1000 pcs. per 1,27 €

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2,04 €

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High Precision Miniature Ball Bearing 685-2RS-CN-V2-P6-SRL 5x11x5 mm

  • Price list:
  • from 4 pcs. per 1,70 €
  • from 10 pcs. per 1,57 €
  • from 50 pcs. per 1,45 €
  • from 200 pcs. per 1,36 €
  • from 1000 pcs. per 1,27 €

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2,04 €

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