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

Dimensions

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

Technical Specifications

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

General Specifications

UPC	698210173302
Weight	16.40 LB
Packaged Length	8.63 IN
Packaged Width	3.94 IN
Packaged Height	8.63 IN
HTC	8483204080
Country of Origin	Mexico