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

Dimensions

Base to Center Height (in)	4 in
Base Width (in)	3.75 in
Foot Height (in)	1.63 in
Overall Height (in)	7.94 in
Length Through Bore (in)	3.81 in
Overall Width (in)	3.81 in
Bolt Size (in)	7/8 in
Bore Diameter (in)	2.6875 in
Overall Length (in)	14.63 in
Centerline to Outermost Bearing Face (in)	2.25 in
Bolt Spacing (in)	11.81 in

Technical Specifications

Housing Type	Pillow Block, Two Bolt
Housing Color	Black
Slot Length (in)	1.63 in
Housing Construction	One Piece
Cage Material	Molded fiber glass reinforced nylon
Rolling Element	Ball Bearing
Outer Ring Land Profile	Standard
Seal Type	Labryinth Seal
Housing Base	Semi-Solid
Housing Style	Pillow Block
Misalignment Type	Static Only
Bore Shape	Straight
Setscrew Torque (in-lbs)	620-680 in/lbs
Locking Collar Outside Diameter (in)	4.74 in
Ability to Relubricate	Yes
Size Code	344
Housing Coating	Powder Coated
Misalignment Capability	±2.0° Misalignment - Static Only
Bearing Type	Heavy Duty
Bearing Insert Material	52100 Bearing Steel
Max Operating Temperature (C)	107 °C
Expansion Capability (in)	0.22 in
Bearing Brand	LINK-BELT 300 SERIES HD BALL
End Cap	U3446C
End Cap Available	Yes
Lubricant	PRESERVATIVE ONLY - NO GREASE
Vibration Frequency Roller Spin	0.0342 cps
Lube Fill Percent	0% FILL
Locking Device Kit	U3445S
Insert	UG343LK5
Radial Clearance	C3 STANDARD
Static Load Rating (lb)	15,300 lb
Max Operating Temperature (F)	225 °F
Vibration Frequency Inner Ring Defect	0.0820 cps
Inner Ring Outside Diameter (in)	3.732 in
Grease Fitting Thread Size	1/8 NPT
Cage Type	Ball Riding Retainer
Vibration Frequency Fundamental Train	0.0063 cps
Expansion Lock Plug	B225728A
Vibration Frequency Outer Ring Defect	0.0513 cps
Base Length (in)	14.63 in
Dynamic Load Rating (lb)	23,420 lb
Fixed vs. Expansion	Expansion
Maximum Speed (RPM)	3950 rpm
Shaft Locking Type	Set Screw
Housing Material	Cast Iron

General Specifications

UPC	698210161569
Weight	41.22 LB
Packaged Length	8.38 IN
Packaged Width	5.25 IN
Packaged Height	14.63 IN
HTC	8483208040
Country of Origin	Mexico