UC321D1 Series-

Designations

UC321D1

Included products

Bearing

UC321D1

Bearing

Nominal Dimensions

d	105	mm	Bore diameter
D	225	mm	Outside diameter
B,B4	112	mm	Width of inner ring
C	57	mm	Outer ring width
r(min.)	3	mm	Chamfer dimension
S1	68	mm	Distance from locking device side face to raceway centre
G	18	mm	Distance face to thread centre
ds	M18×1.5		Set screw
Ca	14.6	mm	Distance from oil hole centre to raceway centre
d4	142.1	mm	Outside diameter of inner ring

Basic Load Ratings

Cr	184	kN	Basic dynamic load rating
C0r	153	kN	Basic static load rating

Mass

Mass approx.

12.2

kg

Mass approx.