• 1 15/16" Mounted Ball Bearing, Heavy Duty, Cast Iron 4-Bolt Round Flange Block, Setscrew Locking, Double Lip Contact Seal

Dimensions

Bolt Size (in)	1/2 in
Overall Height (in)	2.81 in
Length Through Bore (in)	2.813 in
Bore Diameter (in)	1.9375 in
Pilot Diameter (in)	6 in
Foot Height (in)	.563 in
Overall Width (in)	8.13 in
Overall Length (in)	8.13 in
Housing Outside Diameter (in)	8.125 in
Bolt Circle (in)	7 in

Technical Specifications

Cage Material	Molded fiber glass reinforced nylon
Pilot Configuration	Piloted
Outer Ring Land Profile	Standard
Seal Type	BUNA DBL LIP SEAL WITH FLGRS
Housing Color	Black
Rolling Element	Ball Bearing
Misalignment Type	Static Only
Housing Type	Flange Cartridge
Bore Shape	Straight
Housing Style	Flange Block
Housing Construction	One Piece
Ability to Relubricate	Yes
Locking Collar Outside Diameter (in)	3.44 in
Pilot Depth (in)	.875 in
Setscrew Torque (in-lbs)	290-325 in/lbs
Locking Device Kit	U3315S
Vibration Frequency Inner Ring Defect	0.0825 cps
Housing Material	Cast Iron
Bearing Type	Heavy Duty
Cage Type	Ball Riding Retainer
Bearing Insert Material	52100 Bearing Steel
Insert	UG331NL
Lubricant	EXXON RONEX MP STD
Dynamic Load Rating (lb)	13,900 lb
Misalignment Capability	±1.5° Misalignment - Static Only
Static Load Rating (lb)	8,500 lb
Maximum Speed (RPM)	3900 rpm
Vibration Frequency Roller Spin	0.0330 cps
Vibration Frequency Outer Ring Defect	0.0508 cps
Fixed vs. Expansion	Fixed
Mounting Surface to End of Housing (in)	1.391 in
Radial Clearance	C3 STANDARD
End Cap	U3316C
Bearing Brand	LINK-BELT 300 SERIES HD BALL
Grease Fitting Thread Size	1/8 NPT
Max Operating Temperature (F)	225 °F
Shaft Locking Type	Set Screw
End Cap Available	Yes
Housing Coating	Powder Coated
Size Code	331
Inner Ring Outside Diameter (in)	2.701 in
Max Operating Temperature (C)	107 °C
Vibration Frequency Fundamental Train	0.0063 cps

General Specifications

UPC	793699316353
Weight	14.33 LB
HTC	8483204040
Country of Origin	Mexico