• 4 15/16" Mounted Spherical Roller Bearing, Cast Steel 4-Bolt Pillow Block, Double Setscrew Locking Collar, Clearance Seal

Dimensions

Base Width (in)	6.38 in
Foot Height (in)	3 in
Bore Diameter (in)	4.9375 in
Overall Width (in)	7.88 in
Base to Center Height (in)	5.5 in
Overall Height (in)	11.13 in
Overall Length (in)	18.5 in
Bolt Size (in)	7/8 in
Slot Length (in)	1.56 in
Locking Collar Outside Diameter (in)	7.06 in
Base Length (in)	18.5 in
Length Through Bore (in)	7.88 in
Bolt Spacing (in)	15.5 in
Centerline to Outermost Bearing Face (in)	3.94 in
Housing Cast Face to Outermost Bearing Face (in)	1.16 in
Bolt Spacing Width (in)	2.75 in
Inner Ring Outside Diameter (in)	5.75 in

Technical Specifications

Housing Construction	Solid
Fixed/Expansion	Fixed
Housing Style	Pillow Block
Housing Type	Pillow Block, Four Bolt
Series	Solid-housed Pillow Blocks
Rolling Element	Spherical Roller
Radial Clearance	C0 STANDARD
Cage Material	Steel
Shaft Locking Type	Double Set Collar
Product	PKB22500F
Radial Dynamic Load Capacity (lb)	166,200 lb
Misalignment Type	Dynamic
Housing Material	Cast Steel
Housing Color	Black
Static Load Rating (lb)	241,900 lb
Seal Type	Clearance Seal
Available Seal Type	E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Microlock Kit	B580MLK
Maximum Speed (RPM)	1200 rpm
Seal Kit	B580YHS
Ability to Relubricate	Yes
Setscrew Torque (in-lbs)	1350 in/lbs
Grease Fitting Thread Size	1/4 NPT
Lubricant	EXXON RONEX MP STD
Misalignment Capability	±2.0° Misalignment - Dynamic
Max Operating Temperature (F)	225 °F
Vibration Frequency Outer Ring Defect	0.127 cps
Primary Seal	STEEL CLEARANCE SEAL
Size Code	B580
Vibration Frequency Fundamental Train	0.0071 cps
Locking Device Kit	B580YSC QTY 2
Housing Coating	POWDER COATED
Vibration Frequency Inner Ring Defect	0.173 cps
Vibration Frequency Roller Spin	0.0515 cps
Max Operating Temperature (C)	107 °C
Insert	B579YL

General Specifications

UPC	662864307512
Weight	137.00 LB
Packaged Length	11.88 IN
Packaged Width	7.25 IN
Packaged Height	18.50 IN