• 2 3/4" Mounted Spherical Roller Bearing, Cast Iron 4-Bolt Pillow Block, Single Setscrew Locking Collar, Triple Lip Contact Seal

Dimensions

Bore Diameter (in)	2.7500 in
Overall Height (in)	6.44 in
Base Width (in)	3.75 in
Base to Center Height (in)	3.25 in
Bolt Size (in)	5/8 in
Overall Width (in)	4 in
Overall Length (in)	10.44 in
Slot Length (in)	0.94 in
Foot Height (in)	2.25 in
Locking Collar Outside Diameter (in)	4.06 in
Length Through Bore (in)	4 in
Inner Ring Outside Diameter (in)	3.37 in
Base Length (in)	10.44 in
Bolt Spacing (in)	8.13 in
Bolt Spacing Width (in)	1.88 in
Centerline to Outermost Bearing Face (in)	2.44 in
Housing Cast Face to Outermost Bearing Face (in)	0.84 in

Technical Specifications

Housing Color	Black
Shaft Locking Type	Single Set Collar
Housing Type	Pillow Block, Four Bolt
Seal Type	Multi-Lip Contact Seal
Housing Material	Cast Iron
End Cap	B448DTC
Series	Solid-housed Pillow Blocks
Static Load Rating (lb)	71,500 lb
Fixed/Expansion	Fixed
Radial Clearance	C0 STANDARD
Radial Dynamic Load Capacity (lb)	51,100 lb
Product	PB22400F
Rolling Element	Spherical Roller
Housing Style	Pillow Block
Cage Material	Steel
Misalignment Type	Dynamic
Housing Construction	Solid
Available Seal Type	E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Microlock Kit	B448MLK
Maximum Speed (RPM)	850 rpm
Setscrew Torque (in-lbs)	680 in/lbs
Seal Kit	B448E7S
Ability to Relubricate	Yes
Max Operating Temperature (C)	107 °C
Insert	B444L
Vibration Frequency Roller Spin	0.0591 cps
Vibration Frequency Outer Ring Defect	0.1299 cps
Lubricant	EXXON RONEX MP STD
Primary Seal	BUNA TRIPLE LIP SEAL
Grease Fitting Thread Size	1/8 NPT
Housing Coating	POWDER COATED
Vibration Frequency Inner Ring Defect	0.1701 cps
Vibration Frequency Fundamental Train	0.0072 cps
Misalignment Capability	±2.0° Misalignment - Dynamic
Max Operating Temperature (F)	225 °F
Locking Device Kit	B448SC
Size Code	B448

General Specifications

UPC	793699540857
Weight	29.50 LB
Packaged Length	6.56 IN
Packaged Width	4.25 IN
Packaged Height	10.56 IN
Country of Origin	Mexico