• 2 3/4" Mounted Spherical Roller Bearing, Cast Iron 4-Bolt Square Flange Block, Single Setscrew Locking Collar, Clearance Seal

Dimensions

Overall Height (in)	4.22 in
Overall Width (in)	7.75 in
Bolt Size (in)	3/4 in
Overall Length (in)	7.75 in
Foot Height (in)	1.78 in
Bore Diameter (in)	2.7500 in
Housing Height (in)	4.22 in
Housing Width (in)	7.75 in
Locking Collar Outside Diameter (in)	4.06 in
Standoff Distance (in)	0.19 in
Bolt Spacing (in)	6 in
Length Through Bore (in)	4 in
Inner Ring Outside Diameter (in)	3.37 in
Bolt Circle (in)	8.5 in

Technical Specifications

Housing Style	Flange Block
Misalignment Type	Dynamic
Housing Material	Cast Iron
Series	Flange Blocks
Product	EFRB22400
Fixed/Expansion	Fixed
Radial Dynamic Load Capacity (lb)	51,100 lb
Radial Clearance	C0 STANDARD
Cage Material	Steel
Housing Type	Flange, Four Bolt
End Cap	B448DTC
Seal Type	Clearance Seal
Housing Construction	Solid
Static Load Rating (lb)	71,500 lb
Rolling Element	Spherical Roller
Shaft Locking Type	Single Set Collar
Setscrew Torque (in-lbs)	680 in/lbs
Available Seal Type	E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Microlock Kit	B448MLK
Maximum Speed (RPM)	1950 rpm
Ability to Relubricate	Yes
Seal Kit	B448HS
Vibration Frequency Roller Spin	0.0591 cps
Vibration Frequency Fundamental Train	0.0072 cps
Primary Seal	STEEL CLEARANCE SEAL
Vibration Frequency Outer Ring Defect	0.1299 cps
Housing Coating	POWDER COATED
Misalignment Capability	±2.0° Misalignment - Dynamic
Insert	B444L
Grease Fitting Thread Size	1/8 NPT
Vibration Frequency Inner Ring Defect	0.1701 cps
Max Operating Temperature (F)	225 °F
Max Operating Temperature (C)	107 °C
Locking Device Kit	B448SC
Size Code	B448
Lubricant	EXXON RONEX MP STD

General Specifications

UPC	662327024734
Weight	28.46 LB
Packaged Length	9.50 IN
Packaged Width	4.50 IN
Packaged Height	9.25 IN
HTC	8483204080
Country of Origin	Mexico