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

Dimensions

Foot Height (in)	0.88 in
Overall Width (in)	8.88 in
Overall Length (in)	8.88 in
Bolt Size (in)	7/8 in
Length Through Bore (in)	3.82 in
Overall Height (in)	3.97 in
Bore Diameter (in)	2.6875 in
Bolt Spacing (in)	7 in

Technical Specifications

Seal Type	Labryinth Seal
Housing Color	Black
Cage Material	Molded fiber glass reinforced nylon
Bore Shape	Straight
Rolling Element	Ball Bearing
Misalignment Type	Static Only
Housing Style	Flange Block
Housing Type	Flange, Four Bolt
Pilot Configuration	No Pilot
Outer Ring Land Profile	Standard
Ability to Relubricate	Yes
Locking Collar Outside Diameter (in)	4.74 in
Setscrew Torque (in-lbs)	620-680 in/lbs
Vibration Frequency Inner Ring Defect	0.0820 cps
Housing Coating	Powder Coated
Vibration Frequency Outer Ring Defect	0.0513 cps
Housing Material	Cast Iron
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Bearing Type	Heavy Duty
Shaft Locking Type	Set Screw
Size Code	344
Bearing Insert Material	52100 Bearing Steel
Lubricant	EXXON RONEX MP STD
Vibration Frequency Roller Spin	0.0342 cps
Insert	UG343L
Maximum Speed (RPM)	3950 rpm
Static Load Rating (lb)	15,300 lb
Fixed vs. Expansion	Expansion
Max Operating Temperature (F)	225 °F
End Cap	U3446C
Expansion Lock Plug	B225808A
Max Operating Temperature (C)	107 °C
Misalignment Capability	±1.5° Misalignment - Static Only
Expansion Capability (in)	7/32 in
Vibration Frequency Fundamental Train	0.0063 cps
Locking Device Kit	U3445S
Dynamic Load Rating (lb)	23,420 lb
End Cap Available	Yes
Cage Type	Ball Riding Retainer
Inner Ring Outside Diameter (in)	3.732 in
Grease Fitting Thread Size	1/8 NPT
Radial Clearance	C3 STANDARD

General Specifications

UPC	662327735142
Weight	33.30 LB
Packaged Length	9.50 IN
Packaged Width	4.50 IN
Packaged Height	9.25 IN
HTC	8483204040
Country of Origin	Mexico