• 1 3/4" Mounted Spherical Roller Bearing, Fixed Cast Iron 4-Bolt Square Type E Flange Block, Single Setscrew Locking Collar, Spring Loaded Heavy contact lip Seal, 90 degree lube fitting

Dimensions

Bore Diameter (in)	1.7500 in
Overall Height (in)	3.28 in
Housing Width (in)	7.31 in
Overall Length (in)	7.31 in
Overall Width (in)	7.31 in
Housing Height (in)	3.28 in
Foot Height (in)	1.44 in
Bolt Size (in)	1/2 in
Locking Collar Outside Diameter (in)	2.88 in
Standoff Distance (in)	0.13 in
Bolt Spacing (in)	4.39 in
Inner Ring Outside Diameter (in)	2.027 in
Length Through Bore (in)	3.13 in
Bolt Circle (in)	6.188 in

Technical Specifications

Cage Material	Steel
Radial Dynamic Load Capacity (lb)	24,700 lb
Seal Type	Heavy Contact Seal
End Cap	B428DTC
Housing Type	Flange, Four Bolt
Series	Flange Blocks
Rolling Element	Spherical Roller
Product	EFRB22400
Static Load Rating (lb)	28,700 lb
Radial Clearance	C0 STANDARD
Fixed/Expansion	Fixed
Housing Material	Cast Iron
Shaft Locking Type	Single Set Collar
Misalignment Type	Dynamic
Housing Construction	Solid
Housing Style	Flange Block
Maximum Speed (RPM)	2350 rpm
Ability to Relubricate	Yes
Seal Kit	B432ES
Setscrew Torque (in-lbs)	325 in/lbs
Available Seal Type	E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Microlock Kit	B436MLK
Size Code	B428
Vibration Frequency Fundamental Train	0.0069 cps
Vibration Frequency Outer Ring Defect	0.0972 cps
Primary Seal	BUNA SPRING LOADED LIP SEAL
Insert	B428L
Vibration Frequency Inner Ring Defect	0.1361 cps
Locking Device Kit	B428SC
Misalignment Capability	±2.0° Misalignment - Dynamic
Lubricant	EXXON RONEX MP STD
Max Operating Temperature (C)	107 °C
Lube Fitting Type	90 DEG LUBE FITTING
Vibration Frequency Roller Spin	0.0466 cps
Grease Fitting Thread Size	1/8 NPT
Housing Coating	POWDER COATED
Max Operating Temperature (F)	225 °F

General Specifications

UPC	793699156461
Weight	11.21 LB
Packaged Length	6.63 IN
Packaged Width	3.75 IN
Packaged Height	6.63 IN
Country of Origin	Mexico