• 2 15/16" 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
Base Width (in)	3.19 in
Overall Width (in)	4 in
Overall Height (in)	6.44 in
Bolt Size (in)	3/4 in
Overall Length (in)	10.44 in
Bore Diameter (in)	2.9375 in
Slot Length (in)	1.06 in
Base to Center Height (in)	3.25 in
Locking Collar Outside Diameter (in)	4.06 in
Length Through Bore (in)	4 in
Centerline to Outermost Bearing Face (in)	2.44 in
Base Length (in)	10.44 in
Inner Ring Outside Diameter (in)	3.37 in
Housing Cast Face to Outermost Bearing Face (in)	0.84 in
Bolt Spacing (in)	8.13 in

Technical Specifications

Housing Type	Pillow Block, Two Bolt
Housing Construction	Solid
Rolling Element	Spherical Roller
Static Load Rating (lb)	71,500 lb
Cage Material	Steel
Product	PB22400
Housing Color	Black
Misalignment Type	Dynamic
Radial Clearance	C0 STANDARD
End Cap	B448DTC
Fixed/Expansion	Fixed
Radial Dynamic Load Capacity (lb)	51,100 lb
Series	Solid-housed Pillow Blocks
Shaft Locking Type	Single Set Collar
Housing Material	Cast Iron
Seal Type	Heavy Contact Seal
Housing Style	Pillow Block
Setscrew Torque (in-lbs)	680 in/lbs
Maximum Speed (RPM)	1500 rpm
Available Seal Type	E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Seal Kit	B448ES
Microlock Kit	B448MLK
Ability to Relubricate	Yes
Max Operating Temperature (F)	225 °F
Grease Fitting Thread Size	1/8 NPT
Max Operating Temperature (C)	107 °C
Insert	B447L
Lubricant	EXXON RONEX MP STD
Vibration Frequency Fundamental Train	0.0072 cps
Locking Device Kit	B448SC
Misalignment Capability	±2.0° Misalignment - Dynamic
Size Code	B448
Housing Coating	POWDER COATED
Vibration Frequency Inner Ring Defect	0.1701 cps
Vibration Frequency Roller Spin	0.0591 cps
Vibration Frequency Outer Ring Defect	0.1299 cps
Primary Seal	BUNA SPRING LOADED LIP SEAL

General Specifications

UPC	662327110208
Weight	27.00 LB
Packaged Length	6.56 IN
Packaged Width	4.25 IN
Packaged Height	10.56 IN
HTC	8483208080
Country of Origin	Mexico