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

Dimensions

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

Technical Specifications

Seal Type	Labryinth Seal
Housing Style	Pillow Block
Slot Length (in)	1.63 in
Bore Shape	Straight
Housing Color	Black
Misalignment Type	Static Only
Housing Construction	One Piece
Outer Ring Land Profile	Standard
Rolling Element	Ball Bearing
Housing Base	Semi-Solid
Housing Type	Pillow Block, Two Bolt
Cage Material	Molded fiber glass reinforced nylon
Ability to Relubricate	Yes
Setscrew Torque (in-lbs)	620-680 in/lbs
Locking Collar Outside Diameter (in)	4.74 in
Vibration Frequency Outer Ring Defect	0.0513 cps
Vibration Frequency Fundamental Train	0.0063 cps
Grease Fitting Thread Size	1/8 NPT
End Cap	U3446C
Vibration Frequency Inner Ring Defect	0.0820 cps
Radial Clearance	C3 STANDARD
Inner Ring Outside Diameter (in)	3.732 in
Size Code	344
Vibration Frequency Roller Spin	0.0342 cps
Base Length (in)	14.63 in
Insert	UG343L
Locking Device Kit	U3445S
Shaft Locking Type	Set Screw
Housing Coating	Powder Coated
Bearing Type	Heavy Duty
Static Load Rating (lb)	15,300 lb
Misalignment Capability	±2.0° Misalignment - Static Only
Housing Material	Cast Iron
Fixed vs. Expansion	Expansion
Maximum Speed (RPM)	3950 rpm
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Lubricant	EXXON RONEX MP STD
Expansion Lock Plug	B225728A
Max Operating Temperature (F)	225 °F
End Cap Available	Yes
Dynamic Load Rating (lb)	23,420 lb
Max Operating Temperature (C)	107 °C
Expansion Capability (in)	0.22 in
Bearing Insert Material	52100 Bearing Steel
Cage Type	Ball Riding Retainer

General Specifications

UPC	662327735104
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