Axis diameter (mm, inch)

	3 1/2

Block assembly bearing model

	UCF218-308D1

Size (mm, inch)

L	9 1/4
J	7 23/64
A2	1 37/64
A1	15/16
A	2 11/16
N	29/32
A0	3 51/64
B	3.78
S	1.563

Installation bolt specification (mm)

	3/4

bearing symbol

	UC218-308D1

Outside the model

	F218D1

Bearing type with steel plate cover holder component

	-

With cast iron cover holder component bearing model

	C(CM)-UCF218-308D1

Size (mm, inch)

t(max)	13/64
A4	-
A5	4 13/16

Weight of the seat bearing (kg)

UCF	24
Z(ZM)	-
C(CM)	33