Unground Bearing Numbering System

Class/Type	Bore	X	OD	Seals
UG ~ Unground UGF ~ Unground, Flanged OD UGFH ~ Unground, Flanged, Hex Bore UGFS ~ Unground, Flanged, Extended Inner Race w/Set Screws UGT ~ Unground, Thrust Bearing SP ~ Semi-Precision SR ~ Snap Ring	Bore (Inches)	X	OD (Inches)	2RS—2 Rubber Seals ZZ—Two metal Shields

USDI Ungroung Bearings & Semi-Precision Bearings —ROUND BORE—FLANGED-SNAP RINGS (CON'T)

USDI P/N	Interchange	Interchange	Bore	X	OD	Seals
UGF.750x1.625	F-600-3		3/4	X	1-5/8
SPSR.750X1.625-2RS			3/4	X	1-5/8	2RS
UGF.750X1.6875	F-700		3/4	X	1-11/16
UGF.750X1.750	F-750	AF4856	3/4	X	1-3/4
UGF.750X1.750-2RS	56F48PP	TW18	3/4	X	1-3/4	2RS
SPSR.750X1.750-2RS			3/4	X	1-3/4	2RS
UGF.750X2.00-2RS		AF4864	3/4	X	2	2RS
UGF.750X2.00-2RS	64F48PP	TW23	3/4	X	2	2RS
UGF.750X2.125		AF4868	3/4	X	2-1/8
UGF.750X2.250		AF4872	3/4	X	2-1/4
UGF.750X2.3125		AF4874	3/4	X	2-5/16
UGF.875X2.00	F-1000		7/8	X	2
UGF.875X2.500		AF5680	7/8	X	2-1/2
UGF1.00X2.00	F-1000-4	AF6464	1	X	2
UGF1.00X2.00-2RS		TW25	1	X	2	2RS
UGF1.00X2.00-2RS	64F64PP		1	X	2	2RS
SPSR1.00X2.00-2RS			1	X	2	2RS
UGF1.00X2.125-2RS		AF6468	1	X	2-1/8	2RS
UGF1.250X2.125	F-1100		1-1/4	X	2-1/8
UGF1.250X2.500		AF8080	1-1/4	X	2-1/2
UGF1.25X2.50-2RS	80F80PP	TW30	1-1/4	X	2-1/2	2RS

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