• 2 15/16" Mounted Spherical Roller Bearing, Cast Iron 4-Bolt Square Flange Block, Single Setscrew Locking Collar, Triple Lip Contact Seal

Dimensions

Overall Height (in)	4.22 in
Housing Height (in)	4.22 in
Bore Diameter (in)	2.9375 in
Overall Width (in)	7.75 in
Foot Height (in)	1.78 in
Overall Length (in)	7.75 in
Housing Width (in)	7.75 in
Bolt Size (in)	3/4 in
Standoff Distance (in)	0.19 in
Locking Collar Outside Diameter (in)	4.06 in
Bolt Spacing (in)	6 in
Bolt Circle (in)	8.5 in
Length Through Bore (in)	4 in
Inner Ring Outside Diameter (in)	3.37 in

Technical Specifications

Series	Flange Blocks
End Cap	B448DTC
Static Load Rating (lb)	71,500 lb
Cage Material	Steel
Housing Type	Flange, Four Bolt
Housing Material	Cast Iron
Housing Style	Flange Block
Seal Type	Multi-Lip Contact Seal
Radial Clearance	C0 STANDARD
Misalignment Type	Dynamic
Product	EFRB22400
Housing Construction	Solid
Rolling Element	Spherical Roller
Shaft Locking Type	Single Set Collar
Fixed/Expansion	Fixed
Radial Dynamic Load Capacity (lb)	51,100 lb
Available Seal Type	E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Ability to Relubricate	Yes
Setscrew Torque (in-lbs)	680 in/lbs
Microlock Kit	B448MLK
Seal Kit	B448E7S
Maximum Speed (RPM)	850 rpm
Vibration Frequency Inner Ring Defect	0.1701 cps
Max Operating Temperature (F)	225 °F
Locking Device Kit	B448SC
Max Operating Temperature (C)	107 °C
Insert	B447L
Misalignment Capability	±2.0° Misalignment - Dynamic
Primary Seal	BUNA TRIPLE LIP SEAL
Vibration Frequency Outer Ring Defect	0.1299 cps
Vibration Frequency Fundamental Train	0.0072 cps
Vibration Frequency Roller Spin	0.0591 cps
Housing Coating	POWDER COATED
Size Code	B448
Grease Fitting Thread Size	1/8 NPT
Lubricant	EXXON RONEX MP STD

General Specifications

UPC	662327707682
Weight	27.00 LB
Packaged Length	9.50 IN
Packaged Width	4.50 IN
Packaged Height	9.25 IN