• 2 11/16" Mounted Spherical Roller Bearing, Cast Iron 2-Bolt Pillow Block, Double Setscrew Locking Collar, Spring Loaded Heavy Contact Seal

Dimensions

Overall Width (in)	4.75 in
Bore Diameter (in)	2.6875 in
Base to Center Height (in)	3.5 in
Slot Length (in)	1.63 in
Overall Length (in)	13 in
Bolt Size (in)	7/8 in
Base Width (in)	3.88 in
Overall Height (in)	6.72 in
Foot Height (in)	2.06 in
Locking Collar Outside Diameter (in)	4.06 in
Length Through Bore (in)	4.88 in
Inner Ring Outside Diameter (in)	3.37 in
Centerline to Outermost Bearing Face (in)	2.44 in
Bolt Spacing (in)	9.75 in
Housing Cast Face to Outermost Bearing Face (in)	0.91 in
Base Length (in)	13 in

Technical Specifications

Housing Color	Black
End Cap	B448DTC
Product	PB22500
Series	Solid-housed Pillow Blocks
Rolling Element	Spherical Roller
Fixed/Expansion	Fixed
Misalignment Type	Dynamic
Radial Clearance	C0 STANDARD
Housing Construction	Solid
Seal Type	Heavy Contact Seal
Radial Dynamic Load Capacity (lb)	51,100 lb
Shaft Locking Type	Double Set Collar
Housing Material	Cast Iron
Housing Style	Pillow Block
Static Load Rating (lb)	71,500 lb
Housing Type	Pillow Block, Two Bolt
Cage Material	Steel
Microlock Kit	B448MLK
Ability to Relubricate	Yes
Seal Kit	B448ES
Available Seal Type	E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Setscrew Torque (in-lbs)	680 in/lbs
Maximum Speed (RPM)	1500 rpm
Vibration Frequency Fundamental Train	0.0072 cps
Vibration Frequency Inner Ring Defect	0.1701 cps
Misalignment Capability	±2.0° Misalignment - Dynamic
Max Operating Temperature (F)	225 °F
Housing Coating	POWDER COATED
Vibration Frequency Outer Ring Defect	0.1299 cps
Lubricant	EXXON RONEX MP STD
Locking Device Kit	B448SC QTY 2
Primary Seal	BUNA SPRING LOADED LIP SEAL
Max Operating Temperature (C)	107 °C
Size Code	B548
Insert	B543L
Grease Fitting Thread Size	1/8 NPT
Vibration Frequency Roller Spin	0.0591 cps

General Specifications

UPC	662327728052
Weight	40.00 LB
Packaged Length	7.25 IN
Packaged Width	5.50 IN
Packaged Height	13.50 IN
Country of Origin	Mexico