• 2 1/2" Mounted Spherical Roller Bearing, Fixed Cast Iron 4-Bolt Round Flange Block with Pilot, Single Setscrew Locking Collar, Clearance Seal

Dimensions

Pilot Diameter (in)	5.438 in
Overall Width (in)	8.13 in
Bolt Size (in)	5/8 in
Foot Height (in)	0.75 in
Overall Length (in)	8.13 in
Bore Diameter (in)	2.5000 in
Overall Height (in)	3.59 in
Housing Outside Diameter (in)	8.13 in
Locking Collar Outside Diameter (in)	3.56 in
Standoff Distance (in)	0.09 in
Bolt Circle (in)	6.75 in
Length Through Bore (in)	3.5 in
Inner Ring Outside Diameter (in)	2.901 in
Bolt Spacing (in)	4.77 in
Housing Cast Face to Outermost Bearing Face (in)	0.88 in

Technical Specifications

Seal Type	Clearance Seal
Product	ZB2000
Housing Type	Flange, Four Bolt, Pilot
Cage Material	Engineered Polymer
End Cap	DTC8
Shaft Locking Type	Single Set Collar
Radial Clearance	C3 STANDARD
Static Load Rating (lb)	53,500 lb
Fixed/Expansion	Fixed
Radial Dynamic Load Capacity (lb)	43,240 lb
Housing Construction	Solid
Series	Flange Blocks
Housing Material	Cast Iron
Misalignment Type	Dynamic
Rolling Element	Spherical Roller
Housing Style	Flange Block
Setscrew Torque (in-lbs)	680 in/lbs
Ability to Relubricate	Yes
Maximum Speed (RPM)	3300 rpm
Microlock Kit	ML3
Available Seal Type	K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip
Seal Kit	ZS8
Grease Fitting Thread Size	1/8 NPT
Vibration Frequency Outer Ring Defect	0.1376 cps
Vibration Frequency Fundamental Train	0.0072 cps
Vibration Frequency Inner Ring Defect	0.1791 cps
Housing Coating	POWDER COATED
Max Operating Temperature (C)	107 °C
Insert	2208U
Primary Seal	STEEL CLEARANCE SEAL
Size Code	8
Locking Device Kit	SC8
Vibration Frequency Roller Spin	0.0607 cps
Max Operating Temperature (F)	225 °F
Lubricant	EXXON RONEX MP STD
Misalignment Capability	±2.0° Misalignment - Dynamic

General Specifications

UPC	698210673567
Weight	15.10 LB
Packaged Length	8.63 IN
Packaged Width	3.94 IN
Packaged Height	8.63 IN