Wheels Manufacturing CERAMIC Bearing #6902

New!!!

Wheels Manufacturing CERAMIC SEALED BEARING #6902 15x28x7

This sale is for (1) bearing. Buy (2) if you need 2.

ABEC1 - Grade 5 ceramic sealed bearing.

Ceramic bearings are lighter, harder, more spherical, longer lasting, and have less rolling resistance than steel bearings. Wondering what bearings you need to replace your existing cartridges? You have a couple of choices: a) disassemble your system and note the bearing # on the existing cartridge seals. b) give your product manufacturer a call or email asking them for bearing #’s.

All dimensions are in millimeters.

*Ball Bearing Grade Guide*

• Grade is a measurement of a ball bearing's deviation from true spherical form.
• Grade 25 is .00025 inches out of round and A Grade 300 is .003 inches out of round.
• The average human hair is .003 inches thick.
• The lower the grade number, the more spherical a bearing is.
• These are Grade 5.
• Should be installed by a professional technician.