• 2 3/4" 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 Length (in)	8.88 in
Length Through Bore (in)	3.82 in
Overall Height (in)	3.97 in
Bolt Size (in)	7/8 in
Bore Diameter (in)	2.75 in
Overall Width (in)	8.88 in
Bolt Spacing (in)	7 in

Technical Specifications

Cage Material	Molded fiber glass reinforced nylon
Seal Type	Labryinth Seal
Pilot Configuration	No Pilot
Housing Color	Black
Rolling Element	Ball Bearing
Bore Shape	Straight
Housing Style	Flange Block
Misalignment Type	Static Only
Outer Ring Land Profile	Standard
Housing Type	Flange, Four Bolt
Ability to Relubricate	Yes
Setscrew Torque (in-lbs)	620-680 in/lbs
Locking Collar Outside Diameter (in)	4.74 in
Max Operating Temperature (C)	107 °C
Vibration Frequency Fundamental Train	0.0063 cps
Misalignment Capability	±1.5° Misalignment - Static Only
Insert	UG344L
Grease Fitting Thread Size	1/8 NPT
Inner Ring Outside Diameter (in)	3.732 in
Vibration Frequency Outer Ring Defect	0.0513 cps
Expansion Capability (in)	7/32 in
Expansion Lock Plug	B225808A
Size Code	344
Housing Material	Cast Iron
Max Operating Temperature (F)	225 °F
Bearing Type	Heavy Duty
Housing Coating	Powder Coated
Maximum Speed (RPM)	3950 rpm
Dynamic Load Rating (lb)	23,420 lb
Shaft Locking Type	Set Screw
Locking Device Kit	U3445S
End Cap	U3446C
Lubricant	EXXON RONEX MP STD
Vibration Frequency Roller Spin	0.0342 cps
Bearing Insert Material	52100 Bearing Steel
Radial Clearance	C3 STANDARD
Static Load Rating (lb)	15,300 lb
End Cap Available	Yes
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Vibration Frequency Inner Ring Defect	0.0820 cps
Fixed vs. Expansion	Expansion
Cage Type	Ball Riding Retainer

General Specifications

UPC	662327735159
Weight	33.00 LB
Packaged Length	9.50 IN
Packaged Width	4.50 IN
Packaged Height	9.25 IN
HTC	8483204040
Country of Origin	Mexico