cemabearing.com

Bearings

SPEED RACING CERAMIC BEARING

If you are a cyclist looking to make your bike lighter and help you boost your cycling performance, easily make it possible by upgrading to CEMA SRC bearings.
CEMA SRC Bearing series are specially designed for bicycle related applications such as wheel hubs, bottom brackets, and chain tensioner pulleys.
Ceramic Bearing have been proved to reduce riders pedalling watts.
CEMA SRC ceramic bearing series used G5 grade super high roundness silicon nitride ceramic balls,
to meet up to highest cycling requirement and bearing clearance. New seal design and excellent lubrication to meet up to a smooth and durable longer life time.

Wheel Hub Bearing Series

Ceramic Bearing

JC Series/ 5S Series/ SC Series

Bearing No. ID (mm) OD (mm) B (mm) N/W (g)
608 8 22 7 10.8
699 9 20 6 6.8
609 9 24 7 12.8
09227 9 22 7 10.4
R6 9.525 22.225 7.142 9.8
6000 10 26 8 17.1
6800 10 19 5 5.1
6900 10 22 6 8.8
6001 12 28 8 18.8
6801 12 21 5 5.8
6901 12 24 6 10.0
6802 15 24 5 6.7
6902 15 28 7 15.0
15267 15 26 7 11.8
15268 15 26 8 13.5
6803 17 26 5 7.3
6903 17 30 7 15.3
17287 17 28 7 12.9
6804 20 32 7 16.7

Steel Bearing

JS Series/ SS Series

Bearing No. ID (mm) OD (mm) B (mm) N/W (g)
608 8 22 7 11.8
699 9 20 6 7.3
R6 9.525 22.225 7.142 10.5
6000 10 26 8 18.8
6800 10 19 5 5.4
6900 10 22 6 9.4
6001 12 28 8 20.8
6801 12 21 5 6.1
6901 12 24 6 10.6
6802 15 24 5 7.2
6902 15 28 7 15.5
15267 15 26 7 12.5
15268 15 26 8 14.2
6803 17 26 5 7.8
6903 17 30 7 16.9
17287 17 28 7 13.8
6804 20 32 7 17.6