• 2 11/16" Mounted Ball Bearing, Heavy Duty Expansion Unit, Cast Iron 4-Bolt Round Piloted Flange Cartridge Block, Setscrew Locking, Clearance Seal

Dimensions

Pilot Diameter (in)	7.750 in
Length Through Bore (in)	3.813 in
Overall Width (in)	10.38 in
Bore Diameter (in)	2.6875 in
Overall Height (in)	3.81 in
Bolt Size (in)	5/8 in
Foot Height (in)	.750 in
Overall Length (in)	10.38 in
Housing Outside Diameter (in)	10.375 in
Bolt Circle (in)	9 in

Technical Specifications

Outer Ring Land Profile	Standard
Rolling Element	Ball Bearing
Housing Type	Flange Cartridge
Seal Type	Labryinth Seal
Pilot Configuration	Piloted
Misalignment Type	Static Only
Cage Material	Molded fiber glass reinforced nylon
Housing Style	Flange Block
Housing Construction	One Piece
Bore Shape	Straight
Housing Color	Black
Ability to Relubricate	Yes
Pilot Depth (in)	1.125 in
Locking Collar Outside Diameter (in)	4.75 in
Setscrew Torque (in-lbs)	620-680 in/lbs
End Cap Available	Yes
Maximum Speed (RPM)	3950 rpm
Bearing Insert Material	52100 Bearing Steel
Max Operating Temperature (C)	107 °C
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Max Operating Temperature (F)	225 °F
Mounting Surface to End of Housing (in)	1.938 in
Vibration Frequency Outer Ring Defect	0.0513 cps
Vibration Frequency Roller Spin	0.0342 cps
Vibration Frequency Fundamental Train	0.0063 cps
Housing Coating	Powder Coated
Cage Type	Ball Riding Retainer
Expansion Lock Plug	126X32280
Locking Device Kit	U3445S
Size Code	344
Radial Clearance	C3 STANDARD
Shaft Locking Type	Set Screw
Housing Material	Cast Iron
Bearing Type	Heavy Duty
Dynamic Load Rating (lb)	23,420 lb
End Cap	U3446C
Vibration Frequency Inner Ring Defect	0.0820 cps
Grease Fitting Thread Size	1/8 NPT
Expansion Capability (in)	0.41 in
Lubricant	EXXON RONEX MP STD
Fixed vs. Expansion	Expansion
Static Load Rating (lb)	15,300 lb
Misalignment Capability	±1.5° Misalignment - Static Only
Inner Ring Outside Diameter (in)	3.732 in
Insert	UG343L

General Specifications

UPC	662327735227
Weight	32.50 LB
Packaged Length	11.00 IN
Packaged Width	5.00 IN
Packaged Height	10.75 IN
HTC	8483204040
Country of Origin	Mexico