This is a 17x30x7mm ceramic ball bearing also known as a 61903 bearing.
6903 bearing ceramic.
2pcs 6903 ceramic bearing 17x30x7mm 6903 2rs si3n4 ceramic ball bearing abec 5 16 99 8 50 1 item in stock.
Product description this 6903 2rs 17x30x7 millimeter sealed ball bearing is a single row bearing for supporting typical radial loads.
6903 2rs hc lc hybrid ceramic low contact low contact seal and low viscosity grease both aimed to reduce friction and increase life span.
Mr6903c 2bs tp c3 5 udl nb2 smr6903c 2ys th9 c3 bk 5 nb2 mr6903c 2rs th9 c3 5 srl 6903 ll t9 c3 ld zro2 peekaboo5.
They have been made distinctive by there re yellow seals.
Our yellow seal line of ceramic bike bearings are specially designed for off road and excessively dirty riding environments.
6903 ceramic ball bearing from world champions acer racing.
Its stainless steel construction makes it resistant to corrosion and high temperatures and it conforms to abec 5 precision standard for performance within a narrow range of variation.
Ceramic 6903 found in.
This is also a direct performance upgrade for the fulcrum r4 004 bearing.
Sold by hmmbw and ships from amazon fulfillment.
Increased top speed with improved power transfer thanks to the unique ceramicspeed bearings.