• 2 1/4" Mounted Ball Bearing, Heavy Duty Expansion Unit, Cast Iron 4-Bolt Square Flange Block, Setscrew Locking, Clearance Seal, Closed End Cap

Dimensions

Overall Length (in)	7.63 in
Foot Height (in)	0.75 in
Bore Diameter (in)	2.25 in
Overall Height to End Cap (in)	3.97 in
Bolt Size (in)	3/4 in
Length Through Bore (in)	3.32 in
Overall Height (in)	3.47 in
Overall Width (in)	7.63 in
Bolt Spacing (in)	6 in

Technical Specifications

Misalignment Type	Static Only
Housing Style	Flange Block
Housing Color	Black
Pilot Configuration	No Pilot
Seal Type	Labryinth Seal
Outer Ring Land Profile	Standard
Housing Type	Flange, Four Bolt
Cage Material	Molded fiber glass reinforced nylon
Rolling Element	Ball Bearing
Bore Shape	Straight
Locking Collar Outside Diameter (in)	4.17 in
Setscrew Torque (in-lbs)	430-460 in/lbs
Ability to Relubricate	Yes
Vibration Frequency Fundamental Train	0.0063 cps
Insert	UG336L
Grease Fitting Thread Size	1/4-28
Vibration Frequency Inner Ring Defect	0.0823 cps
Vibration Frequency Roller Spin	0.0337 cps
Max Operating Temperature (F)	225 °F
Expansion Lock Plug	3398B
Radial Clearance	C3 STANDARD
Vibration Frequency Outer Ring Defect	0.0510 cps
Housing Coating	Powder Coated
Inner Ring Outside Diameter (in)	3.216 in
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Bearing Insert Material	52100 Bearing Steel
Lubricant	EXXON RONEX MP STD
Bearing Type	Heavy Duty
Static Load Rating (lb)	11,700 lb
End Cap Available	Yes
Locking Device Kit	U3395S
Cage Type	Ball Riding Retainer
Max Operating Temperature (C)	107 °C
Shaft Locking Type	Set Screw
Expansion Capability (in)	9/32 in
Housing Material	Cast Iron
Fixed vs. Expansion	Expansion
Size Code	339
Misalignment Capability	±1.5° Misalignment - Static Only
Maximum Speed (RPM)	4450 rpm
Dynamic Load Rating (lb)	18,390 lb
End Cap	U3396C

General Specifications

UPC	662327818333
Weight	23.00 LB
Packaged Length	7.75 IN
Packaged Width	3.69 IN
Packaged Height	7.88 IN
HTC	8483204040
Country of Origin	Mexico