Black Bearing - 36X45 13/8 - 48.9OD X 37ID X 6.5H - MR031 - C100

Black Bearing headset bearings are machined and assembled to precise tolerances.

Please check precise measurements against the below to determine the correct size.

SPECIFICATIONS

STEERER DIAMETER: 1-3/8"
OUTER DIAMETER: 48.9mm
INNER DIAMETER: 37mm
HEIGHT: 6.5mm
CHAMFER ANGLES: 36°/45°

• Chrome steel balls SAE52100
• Chrome steel races SAE52100
• Premium quality grease
• Also referred to using the following part code: MR031