Bicycle Headset Bearing

T808 bearings, categorized as thin-section, double sealed, radial, deep groove ball bearings.
T808 bearings are made of chrome steel / stainless teel, and Nylon / stainless steel cage.
T808 bearings are closed with rubber seals to protect the bearing from dust or any possible contamination.
T808 bearings are lubricated with grease.

Name: Bicyle Headset Sealed Bearings
Item: T808
Type: Single sealed (RS)
Size: 40 mm x 52 mm x 12 mm
Inner Diameter (ID): 40 mm
Outer Diameter (OD): 52 mm
Width / Height / Bridth (W / H / B): 12 mm
Bearing Chamfer: Inner Ring 45° / Outer Ring 45°
Radial Play / Clearance: C0
Rings / Races Material: Chrome Steel 100Cr6 / Stainless Steel SUS 440C
Balls Material: Chrome Steel 100Cr6 / Stainless Steel SUS 440C / Ceramic Si3N4
Cage Material: Nylon PA66 / Stainless Steel SUS 304
Seal Materil: NBR+SPCC
Seal Type: Non-contacted / Light Contacted / Heavy Contacted
Seal Color: Black / Red / Blue / Green / Yellow / Gray
Lubrication / Grease: SHELL / MOBIL / KYODO / KLUBER / EXXON / HTHS
Bearing Brand: Neutral / OEM

This T808 application for 1-1/2" internal threadless headset.