• 2 11/16" Mounted Ball Bearing, Heavy Duty Expansion Unit, Cast Iron 4-Bolt Square Flange Block, Setscrew Locking, Clearance Seal, No Grease

Dimensions

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

Technical Specifications

Housing Type	Flange, Four Bolt
Pilot Configuration	No Pilot
Bore Shape	Straight
Rolling Element	Ball Bearing
Housing Style	Flange Block
Housing Color	Black
Outer Ring Land Profile	Standard
Cage Material	Molded fiber glass reinforced nylon
Misalignment Type	Static Only
Seal Type	Labryinth Seal
Ability to Relubricate	Yes
Locking Collar Outside Diameter (in)	4.74 in
Setscrew Torque (in-lbs)	620-680 in/lbs
Dynamic Load Rating (lb)	23,420 lb
Vibration Frequency Outer Ring Defect	0.0513 cps
Cage Type	Ball Riding Retainer
End Cap	U3446C
Max Operating Temperature (F)	225 °F
Grease Fitting Thread Size	1/8 NPT
Shaft Locking Type	Set Screw
Expansion Capability (in)	7/32 in
Vibration Frequency Roller Spin	0.0342 cps
Radial Clearance	C3 STANDARD
End Cap Available	Yes
Housing Material	Cast Iron
Expansion Lock Plug	B225808A
Static Load Rating (lb)	15,300 lb
Lube Fill Percent	0% FILL
Size Code	344
Lubricant	PRESERVATIVE ONLY - NO GREASE
Misalignment Capability	±1.5° Misalignment - Static Only
Maximum Speed (RPM)	3950 rpm
Locking Device Kit	U3445S
Inner Ring Outside Diameter (in)	3.732 in
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Bearing Type	Heavy Duty
Insert	UG343LK5
Vibration Frequency Fundamental Train	0.0063 cps
Max Operating Temperature (C)	107 °C
Bearing Insert Material	52100 Bearing Steel
Fixed vs. Expansion	Expansion
Vibration Frequency Inner Ring Defect	0.0820 cps
Housing Coating	Powder Coated

General Specifications

UPC	793699268997
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