Refine Collections

Product Type

Bearing Type




Abec/iso Rating

Bearing Material

Ball Material


Dimension Type


Product Group




Product Sub Group

Ball Diameter

Ball Grade

Enclosure Material

Enclosure No.

Extended Width

Flange Od D1

Flange Width Bf1

Groove And Snap Ring

Insert Type

Number Of Balls

Retainer Material

Rolling Element Mat.

Rpm Grease (x1000)

Rpm Oil (x1000)

Working Temp Deg. C


Price Range

In Stock

Number of Pieces

Ultra Seal

  • Page
  • of 299
  • Next »
Congrats to Patrik on taking home the Croation championship title! We're happy to see those Boca ceramic ultra seal bearings are doing the trick. #PoweredByBocaBearings
2017-08-18 15:00:58
Patrik tried out our Boca Ceramic Ultra Seal at the XRay Racing Series in Medeuzza, Italy, and finished 8th overall. Glad to hear the bearings worked well for you and we hope they…
2017-03-21 16:01:46
…bearing still runs so smooth after 1 1⁄2 year. These Ceramic Lightning Ultra Seal for RC Car Bearings are top-‐ notch and I am planning to buy a new …
2014-04-18 09:05:00
…tournament for the first semester of the year, and It was decided to use BOCA Ultra Sealed Bearings TC6.1 Kit, which are recommended to use in clean and smooth tracks. However,…
2015-04-02 19:00:03

Q: What is the performance difference between the following threetype of bearings: Ceramic Metal Shield, Ceramic Yellow Seal andCeramic Ultra Seal?

…they are contact rubber seals there is a certain amount of friction, which will lessen the more they are used and Ceramic Ultra Seal have a PTFE seal that sits under a metal shield…

Q: How much maintenance do bearings require?

…depends on the type of enclosures and lubricants your bearings have. Rubber sealed or Ultra sealed bearings require no maintenance and the lube is good for the life of the bearing.…