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688 & 608 Bearings

Genuine swiss bearings

Bont partnered with Jesa for our high end bearings. Jesa is the largest specialty bearing manufacturer in Switzerland and was established in 1969. Jesa is renowned for providing solutions for some of the most difficult applications, with its ‘clean sheet’ approach to each project. Jesa don’t make any standard bearings, they make specialty bearings for each customer’s application.

  • 688 Ceramic

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Low Friction

Low Friction

For Bont’s inline racing application, Jesa has produced a bearing with the lowest friction on the market. They made the bearing with an exceptionally fine polished surface finish on the bearing tracks and incredibly precise balls. The better the finish is on the bearing, the less resulting drag. In addition, light weight plastic cages also create lower resistance. The less energy spent making the bearing roll, the more energy converted into speed.

Strength

Strength

Under load and at speed, bearings warp. Cheaper bearings tend to be made from soft steel which tend to warp a lot. This warping slows the bearings down. Bont Jesa bearings are made from high grade hardened steel which work to keep the bearing as round as possible. This means that the Bont Jesa bearing don't slow down as much from warping as most bearings do.

Ceramic

Ceramic

The inline market has been flooded with cheap ceramics bearings which have really given many skaters a bad opinion about ceramics in general. To be quite frank, many ceramics on the market are made with very poor tolerances and are slower than a typical ABEC 5 steel bearing. Bont ceramics are made in Switzerland. They have extremely precise balls. The ceramic balls not only generate less heat but offer considerable weight and friction benefits.

Polishing

Polishing

Most bearings are quickly polished in one direction to remove any metal fragments left behind in the manufacturing process. Bont Jesa bearings are finely polished in both directions to ensure the balls roll with the least amount of friction possible.

Tolerance

Tolerance

Jesa increased the radial clearance providing slightly less ‘total contract ball patches’, which reduces drag. The bearings are made with 'Swiss Precision'.

Quality

Quality

Each bearing is individually tested to make sure it performs at Jesa's high standards.

Electronic Bearing Cleaner

Electronic Bearing Cleaner

Cleaning bearings is a pain in the !#$ so we developed a machine to turn a chore into a quick and easy process.

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Jesa Bont 688 Ceramic

Jesa Bont 688 Ceramic
  • This bearing has an exceptionally fine polished surface finish on the bearing tracks and incredibly precise balls.
  • Light weight plastic cages create lower rolling resistance.
  • Ceramic balls not only generate less heat but offer considerable weight and friction benefits.
  • 688 bearings offer a significant weight advantage.
  • Made in Switzerland.

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Jesa Bont 608 Steel

Jesa Bont 608 Steel
  • This bearing has an exceptionally fine polished bearing track surface and incredibly precise balls.
  • Light weight plastic cages for lower rolling resistance.
  • The steel is extremely strong which helps the bearing keep its shape when under load.
  • Jesa increased the radial clearance providing slightly less 'total contact ball patches', which reduces drag.
  • Made in Switzerland.

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608 ABEC 5

ABEC5

Bont ABEC 5 bearings have been designed for the elite racer. They have double shields to keep the dust and dirt out and the shield can easily be removed for cleaning. We sell the bearings lubricated with a light racing oil. This means you don't have to clean our all the thick oil that you find in other bearings. The bearing has an exceptionally low rolling resistance for maximum speed!

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ABEC 7

ABEC7

Bont ABEC 7 bearings have been designed for the elite racer. They have double shields to keep the dust and dirt out and the shield can easily be removed for cleaning. We sell the bearings lubricated with a light racing oil. This means you don't have to clean our all the thick oil that you find in other bearings. The bearing has an exceptionally low rolling resistance for maximum speed!

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688 Mini bearings

688 Mini bearings
  • This bearing has an exceptionally fine polished bearing track surface and incredibly precise balls.
  • Light weight plastic cages for lower rolling resistance.
  • The steel is extremely strong which helps the bearing keep its shape when under load.

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Specification

Bearing Type 688
Dimension 8x16x5mm
Protection 1 Z-Shield
Cage T9H-Plastic Cage
Quality Swiss
Ball Complement 9 Pieces
Ball Material Steel
Bearing Type 608
Dimension 8X22X7mm
Protection 1 Z-Shield
Cage T9H-Plastic Cage
Quality Swiss
Ball Complement 7 Pieces
Ball Material Steel
Strength