• 3 3/16" Mounted Spherical Roller Bearing, Cast Iron 4-Bolt Split Pillow Block, Adapter Mounted, Triple-Ring Metal Labyrinth Seal

Dimensions

Base Width (in)	3.88 in
Overall Width (in)	5.88 in
Foot Height (in)	1.31 in
Overall Length (in)	13.75 in
Bolt Size (in)	5/8 in
Bore Diameter (in)	3.1875 in
Base to Center Height (in)	4 in
Overall Height (in)	7.94 in
Required Distance for Cap Removal (in)	10.5 in
Base Length (in)	13.75 in
Bolt Spacing Max (in)	11.63 in
Centerline to Shaft Face for Closed End Unit (in)	1.75 in
Bolt Spacing Width (in)	2.13 in
Bolt Spacing Min (in)	10.38 in
Expansion Capability (in)	0.38 in

Technical Specifications

Radial Clearance	C3 STANDARD
End Cap	LB68526R
Housing Style	Pillow Block
Housing Construction	Split
Series	Split-housed Pillow Blocks
Radial Dynamic Load Capacity (lb)	64,000 lb
Misalignment Type	Dynamic
Housing Type	Pillow Block, Four Bolt, SAF Style
Static Load Rating (lb)	81,500 lb
Product	PLB6800F
Housing Material	Cast Iron
Rolling Element	Spherical Roller
Housing Color	Black
Fixed/Expansion	Fixed/Expansion
Seal Type	Labyrinth Seal
Cage Material	Bronze
Shaft Locking Type	Adapter Mount
Available Seal Type	D8 Taconite Seal; D5 PenTac Seal; R Labyrinth Seal
C-Spacer	68524
Ability to Relubricate	Yes
Maximum Speed Using Grease (RPM)	2,600 rpm
Cap Bolt Torque (ft-lbs)	90-100 ft/lbs
Maximum Speed Using Oil (RPM)	3,000 rpm
Seal Kit	LB68513R (qty 2)
Vibration Frequency Roller Spin	0.052 cps
Max Operating Temperature (F)	225 °F
Misalignment Capability	±0.5° Misalignment - Dynamic
Housing Kit	PLB6851FR02
Vibration Frequency Inner Ring Defect	0.173 cps
Insert	22218LBKC3
Vibration Frequency Outer Ring Defect	0.127 cps
Primary Seal	LER TRIPLE RING SEAL
Grease Fitting Thread Size	1/8 NPT
Housing Coating	POWDER COATED
Size Code	22218
Max Operating Temperature (C)	107 °C
Vibration Frequency Fundamental Train	0.007 cps
Locking Device Kit	H318051

General Specifications

UPC	662327117337
Weight	65.00 LB
Packaged Length	15.88 IN
Packaged Width	9.50 IN
Packaged Height	8.25 IN
HTC	8482300080
Country of Origin	Japan