Unit of Measure

Specifications

X-L-O Part Number

N/A 55-57

Bore d

N/A 20.640 mm

Outside Diameter D1

N/A 50.8000 mm

Width B

N/A 25.40 mm

Fillet Radius ra

N/A 1.00 mm

Keyway e

N/A 21.4 mm

Keyway f

N/A 1.6 mm

Preload

N/A 30 lb

Grease Speed Rating Max. n1

N/A 20000 rpm

Oil Speed Rating Max. n2

N/A 22000 rpm

Oil Mist Speed Rating Max. n3

N/A 24000 rpm