Unit of Measure


Old MRC Bearing Number

N/A 203FSF1

Bore d

N/A 17.000 mm

Outside Diameter D1

N/A 40.0000 mm

Width - Outer Ring B0

N/A 14.3 mm

Width - Inner Ring B1

N/A 13.70 mm

Width - Overall B

N/A 14.3 mm

Fillet Radius ra

N/A 0.64 mm

Basic Radial Load Rating-Dynamic DC

N/A 9560 N

Basic Radial Load Rating-Static SCO

N/A 4800 N

Speed Rating-Single and Double Sealed Grease SDG

N/A 12000 rpm

Basic Interchange BCA

N/A WC87503

Basic Interchange FAF

N/A 203KTD8

Basic Interchange NDH

N/A WC87503


N/A WC87000 Shield & Seal