diameter of axle

	3 1/2

Block assembly bearing model

	UCFL218-308D1

Size (mm, inch)

H	12 19/32
J	10 7/16
A2	1 37/64
A1	15/16
A	2 11/16
N	63/64
L	8.17
A0	3 51/64
B	3.78
S	1.563

Installation bolt specification (mm)

	7/8

Outside the model

	FL218D1

Bearing type with steel plate cover holder component

	-

With cast iron cover holder component bearing model

	C(CM)-UCFL218-308D1

Size (mm, inch)

t(max)	13/64
A4	-
A5	4 13/16
L1	8 1/16
L2	4 1/32

Weight of the seat bearing (kg)

UCFL	24
Z(ZM)	-
C(CM)	31