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

Dimensions

Foot Height (in)	2 in
Slot Length (in)	1.06 in
Base Width (in)	3.19 in
Base to Center Height (in)	3.25 in
Bore Diameter (in)	2.7500 in
Bolt Size (in)	3/4 in
Overall Length (in)	10.44 in
Overall Width (in)	4 in
Overall Height (in)	6.44 in
Locking Collar Outside Diameter (in)	4.06 in
Housing Cast Face to Outermost Bearing Face (in)	0.84 in
Inner Ring Outside Diameter (in)	3.37 in
Base Length (in)	10.44 in
Length Through Bore (in)	4 in
Centerline to Outermost Bearing Face (in)	2.44 in
Bolt Spacing (in)	8.13 in

Technical Specifications

End Cap	B448DTC
Seal Type	Heavy Contact Seal
Housing Material	Cast Iron
Housing Style	Pillow Block
Misalignment Type	Dynamic
Housing Type	Pillow Block, Two Bolt
Shaft Locking Type	Single Set Collar
Rolling Element	Spherical Roller
Product	PB22400
Fixed/Expansion	Fixed
Series	Solid-housed Pillow Blocks
Cage Material	Steel
Static Load Rating (lb)	71,500 lb
Housing Construction	Solid
Radial Clearance	C0 STANDARD
Housing Color	Black
Radial Dynamic Load Capacity (lb)	51,100 lb
Microlock Kit	B448MLK
Maximum Speed (RPM)	1500 rpm
Setscrew Torque (in-lbs)	680 in/lbs
Seal Kit	B448ES
Ability to Relubricate	Yes
Available Seal Type	E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Primary Seal	BUNA SPRING LOADED LIP SEAL
Misalignment Capability	±2.0° Misalignment - Dynamic
Vibration Frequency Outer Ring Defect	0.1299 cps
Size Code	B448
Max Operating Temperature (C)	107 °C
Max Operating Temperature (F)	225 °F
Vibration Frequency Fundamental Train	0.0072 cps
Vibration Frequency Roller Spin	0.0591 cps
Insert	B444L
Lubricant	EXXON RONEX MP STD
Housing Coating	POWDER COATED
Vibration Frequency Inner Ring Defect	0.1701 cps
Locking Device Kit	B448SC
Grease Fitting Thread Size	1/8 NPT

General Specifications

UPC	662327110178
Weight	29.00 LB
Packaged Length	6.56 IN
Packaged Width	4.25 IN
Packaged Height	10.56 IN
Country of Origin	Mexico