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

Dimensions

Overall Width (in)	3.81 in
Bolt Size (in)	7/8 in
Base Width (in)	3.75 in
Length Through Bore (in)	3.81 in
Overall Height (in)	7.94 in
Foot Height (in)	1.63 in
Base to Center Height (in)	4 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

Seal Type	Labryinth Seal
Bore Shape	Straight
Housing Style	Pillow Block
Misalignment Type	Static Only
Outer Ring Land Profile	Standard
Housing Construction	One Piece
Housing Color	Black
Housing Base	Semi-Solid
Rolling Element	Ball Bearing
Housing Type	Pillow Block, Two Bolt
Cage Material	Steel
Slot Length (in)	1.63 in
Locking Collar Outside Diameter (in)	4.74 in
Setscrew Torque (in-lbs)	620-680 in/lbs
Ability to Relubricate	Yes
Vibration Frequency Roller Spin	0.0342 cps
End Cap Available	Yes
Size Code	344
Housing Coating	Powder Coated
Misalignment Capability	±2.0° Misalignment - Static Only
Bearing Type	Heavy Duty
Locking Device Kit	U3445S
Expansion Lock Plug	B225728A
Shaft Locking Type	Set Screw
Bearing Insert Material	52100 Bearing Steel
Max Operating Temperature (C)	107 °C
Expansion Capability (in)	0.22 in
Base Length (in)	14.63 in
End Cap	U3446C
Maximum Speed (RPM)	3950 rpm
Grease Fitting Thread Size	1/8 NPT
Static Load Rating (lb)	15,300 lb
Dynamic Load Rating (lb)	23,420 lb
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Radial Clearance	C3 STANDARD
Housing Material	Cast Iron
Vibration Frequency Fundamental Train	0.0063 cps
Fixed vs. Expansion	Expansion
Cage Type	Ball Riding Retainer
Inner Ring Outside Diameter (in)	3.732 in
Max Operating Temperature (F)	225 °F
Lubricant	EXXON RONEX MP STD
Insert	UG343JL
Vibration Frequency Outer Ring Defect	0.0513 cps
Vibration Frequency Inner Ring Defect	0.0820 cps

General Specifications

UPC	793699899290
Weight	41.20 LB
Packaged Length	8.38 IN
Packaged Width	5.25 IN
Packaged Height	14.63 IN
HTC	8483208040
Country of Origin	Mexico