• 2 11/16" Mounted Ball Bearing, Heavy Duty Expansion Unit, Cast Iron 2-Bolt Pillow Block, Setscrew Locking, Double Lip Contact Seal

Dimensions

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

Technical Specifications

Housing Base	Semi-Solid
Slot Length (in)	1.63 in
Bore Shape	Straight
Outer Ring Land Profile	Standard
Housing Color	Black
Misalignment Type	Static Only
Housing Type	Pillow Block, Two Bolt
Cage Material	Molded fiber glass reinforced nylon
Seal Type	Multi-Lip Contact Seal
Housing Construction	One Piece
Rolling Element	Ball Bearing
Housing Style	Pillow Block
Ability to Relubricate	Yes
Setscrew Torque (in-lbs)	620-680 in/lbs
Locking Collar Outside Diameter (in)	4.74 in
Size Code	344
Dynamic Load Rating (lb)	23,420 lb
Base Length (in)	14.63 in
Static Load Rating (lb)	15,300 lb
Locking Device Kit	U3445S
Max Operating Temperature (C)	107 °C
End Cap Available	Yes
End Cap	U3446C
Maximum Speed (RPM)	2800 rpm
Bearing Insert Material	52100 Bearing Steel
Fixed vs. Expansion	Expansion
Grease Fitting Thread Size	1/8 NPT
Expansion Capability (in)	0.22 in
Misalignment Capability	±2.0° Misalignment - Static Only
Vibration Frequency Fundamental Train	0.0063 cps
Housing Coating	Powder Coated
Insert	UG343NL
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Vibration Frequency Roller Spin	0.0342 cps
Bearing Type	Heavy Duty
Cage Type	Ball Riding Retainer
Shaft Locking Type	Set Screw
Housing Material	Cast Iron
Inner Ring Outside Diameter (in)	3.732 in
Vibration Frequency Outer Ring Defect	0.0513 cps
Radial Clearance	C3 STANDARD
Lubricant	EXXON RONEX MP STD
Expansion Lock Plug	B225728A
Vibration Frequency Inner Ring Defect	0.0820 cps
Max Operating Temperature (F)	225 °F

General Specifications

UPC	662864551908
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