Ceramic angular-contact BB, 3.175 x 5.98/6.35 x 2.778, IS

Ceramic angular-contact precision ball bearing with integral shield
To be used for rotor/turbine KaVo 625/630/640/647/649/650/635(front)/637(front)/642/645 and Sirona T1 Control
Quality level: ISO P4P, ABEC 7/9
Made in Japan