• 2 1/2" Mounted Spherical Roller Bearing, Fixed Cast Iron 4-Bolt Round Flange Cartridge Block, Single Setscrew Locking Collar, Spring Loaded Heavy Contact Seal, One Open Auxiliary Cap

Dimensions

Housing Height (in)	2.63 in
Overall Height (in)	3.5 in
Overall Length (in)	7.63 in
Pilot Diameter (in)	5.5 in
Overall Width (in)	7.63 in
Bore Diameter (in)	2.5000 in
Bolt Size (in)	1/2 in
Foot Height (in)	0.63 in
Housing Outside Diameter (in)	7.63 in
Pilot Depth (in)	1 in
Locking Collar Outside Diameter (in)	3.56 in
Mounting Plate to Collar Face (in)	1.81 in
Inner Ring Outside Diameter (in)	2.901 in
Housing Cast Face to Outermost Bearing Face (in)	0.88 in
Bolt Spacing (in)	4.594 in
Bolt Circle (in)	6.5 in
Mounting Surface to End of Housing (in)	1.69 in
Length Through Bore (in)	3.5 in

Technical Specifications

Radial Dynamic Load Capacity (lb)	43,240 lb
Series	Flanged Cartridge Blocks
Fixed/Expansion	Fixed
Housing Style	Flange Block
Seal Type	Heavy Contact Seal
Product	ZBR2000
Misalignment Type	Dynamic
Rolling Element	Spherical Roller
Shaft Locking Type	Single Set Collar
Housing Material	Cast Iron
Housing Color	Black
Housing Construction	Solid
Static Load Rating (lb)	53,500 lb
Radial Clearance	C3 STANDARD
Cage Material	Engineered Polymer
Housing Type	Flange, Cartridge
Bolt Hole Shape	Round Hole
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
Seal Kit	MS8
Maximum Speed (RPM)	2000 rpm
Ability to Relubricate	Yes
Misalignment Capability	±2.0° Misalignment - Dynamic
Auxiliary Seals	1 OPEN CAP CAST IRON
Housing Coating	POWDER COATED
Grease Fitting Thread Size	1/8 NPT
Max Operating Temperature (C)	107 °C
Lubricant	EXXON RONEX MP STD
Vibration Frequency Outer Ring Defect	0.1376 cps
Vibration Frequency Roller Spin	0.0607 cps
Locking Device Kit	SC8
Primary Seal	BUNA SPRING LOADED LIP SEAL
Vibration Frequency Inner Ring Defect	0.1791 cps
Max Operating Temperature (F)	225 °F
Insert	2208U
Vibration Frequency Fundamental Train	0.0072 cps
Size Code	8

General Specifications

UPC	698210913984
Weight	17.00 LB
Packaged Length	7.25 IN
Packaged Width	3.50 IN
Packaged Height	7.25 IN