• 4 1/2" Mounted Spherical Roller Bearing, Cast Steel 4-Bolt Pillow Block, Double Setscrew Locking Collar, Clearance Seal

Dimensions

Overall Width (in)	6.25 in
Foot Height (in)	2.75 in
Overall Length (in)	16.5 in
Base to Center Height (in)	4.75 in
Overall Height (in)	10 in
Bolt Size (in)	3/4 in
Bore Diameter (in)	4.5000 in
Slot Length (in)	1.45 in
Base Width (in)	4.75 in
Locking Collar Outside Diameter (in)	6.19 in
Length Through Bore (in)	6.25 in
Bolt Spacing Width (in)	2.5 in
Centerline to Outermost Bearing Face (in)	3.13 in
Bolt Spacing (in)	13.5 in
Inner Ring Outside Diameter (in)	5.032 in
Base Length (in)	16.5 in
Housing Cast Face to Outermost Bearing Face (in)	1 in

Technical Specifications

Radial Dynamic Load Capacity (lb)	109,400 lb
Housing Style	Pillow Block
Fixed/Expansion	Fixed
Housing Type	Pillow Block, Four Bolt
Product	PKB22500F
Misalignment Type	Dynamic
Housing Material	Cast Steel
Series	Solid-housed Pillow Blocks
Static Load Rating (lb)	159,300 lb
Housing Construction	Solid
Cage Material	Steel
Radial Clearance	C0 STANDARD
Rolling Element	Spherical Roller
Housing Color	Black
Shaft Locking Type	Double Set Collar
Seal Type	Clearance Seal
Available Seal Type	E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Seal Kit	B572YHS
Maximum Speed (RPM)	1300 rpm
Microlock Kit	B580MLK
Setscrew Torque (in-lbs)	1350 in/lbs
Ability to Relubricate	Yes
Grease Fitting Thread Size	1/8 NPT
Vibration Frequency Roller Spin	0.0568 cps
Size Code	B572
Primary Seal	STEEL CLEARANCE SEAL
Insert	B572YL
Vibration Frequency Outer Ring Defect	0.1283 cps
Vibration Frequency Fundamental Train	0.0072 cps
Vibration Frequency Inner Ring Defect	0.1717 cps
Lubricant	EXXON RONEX MP STD
Max Operating Temperature (C)	107 °C
Housing Coating	POWDER COATED
Max Operating Temperature (F)	225 °F
Locking Device Kit	B572YSC QTY 2
Misalignment Capability	±2.0° Misalignment - Dynamic

General Specifications

UPC	662864307437
Weight	95.00 LB
Packaged Length	10.50 IN
Packaged Width	6.63 IN
Packaged Height	16.00 IN