• 2 15/16" Mounted Ball Bearing, Heavy Duty Expansion Unit, Cast Iron 2-Bolt Pillow Block, Setscrew Locking, Clearance Seal, Steel Retainers, Hi-Temp Grease, Increased Clearance

Dimensions

Bore Diameter (in)	2.9375 in
Base to Center Height (in)	4.25 in
Overall Width (in)	4.09 in
Overall Height (in)	8.38 in
Overall Length (in)	15.13 in
Base Width (in)	4 in
Bolt Size (in)	7/8 in
Length Through Bore (in)	4.09 in
Foot Height (in)	1.75 in
Centerline to Outermost Bearing Face (in)	2.38 in
Bolt Spacing (in)	12 in

Technical Specifications

Housing Type	Pillow Block, Two Bolt
Housing Style	Pillow Block
Seal Type	Labryinth Seal
Housing Color	Black
Cage Material	Steel
Outer Ring Land Profile	Standard
Housing Base	Semi-Solid
Bore Shape	Straight
Housing Construction	One Piece
Slot Length (in)	1.63 in
Rolling Element	Ball Bearing
Misalignment Type	Static Only
Ability to Relubricate	Yes
Setscrew Torque (in-lbs)	620-680 in/lbs
Locking Collar Outside Diameter (in)	4.94 in
Vibration Frequency Inner Ring Defect	0.0820 cps
Housing Material	Cast Iron
Max Operating Temperature (C)	150 °C
Expansion Lock Plug	B225728A
End Cap Available	Yes
Maximum Speed (RPM)	3700 rpm
Static Load Rating (lb)	17,300 lb
Shaft Locking Type	Set Screw
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Housing Coating	Powder Coated
Radial Clearance	C4 INCREASED
Max Operating Temperature (F)	300 °F
Cage Type	Ball Riding Retainer
Base Length (in)	15.13 in
Insert	UG347JL18AC4
Bearing Type	Heavy Duty
Vibration Frequency Roller Spin	0.0343 cps
Bearing Insert Material	52100 Bearing Steel
Dynamic Load Rating (lb)	26,140 lb
Expansion Capability (in)	0.22 in
Lubricant	MOBIL MOBILITH SHC100
Fixed vs. Expansion	Expansion
Inner Ring Outside Diameter (in)	3.99 in
Vibration Frequency Outer Ring Defect	0.0513 cps
Size Code	347
Misalignment Capability	±2.0° Misalignment - Static Only
Vibration Frequency Fundamental Train	0.0065 cps
End Cap	U3476C
Grease Fitting Thread Size	1/8 NPT
Locking Device Kit	U3475S

General Specifications

UPC	793699462531
Weight	47.25 LB
Packaged Length	9.13 IN
Packaged Width	5.25 IN
Packaged Height	15.75 IN
HTC	8483208040
Country of Origin	Mexico