Black Bearing - 45X45 1.5 - 46.9OD X 37ID X 7H - MR137 - C7

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: 1-1/2" (OD2)
OUTER DIAMETER: 46.9mm
INNER DIAMETER: 37mm
HEIGHT: 7mm
CHAMFER ANGLES: 45°/45°

• Chrome steel balls SAE52100
• Chrome steel races SAE52100
• Premium quality grease
• Also referred to using the following part code: MR137
• Lower bearing used in Giant OD2 headset assemblies