• Rex ZB2303 Spherical Roller Bearings ZB2000 Flange Block. Contact Rexnord for more details.

Dimensions

Overall Length (in)	8.44 in
Overall Width (in)	8.44 in
Foot Height (in)	1 in
Bolt Size (in)	3/4 in
Housing Width (in)	8.44 in
Bore Diameter (in)	3.1875 in
Overall Height (in)	4.63 in
Standoff Distance (in)	0.25 in
Locking Collar Outside Diameter (in)	4.91 in
Inner Ring Outside Diameter (in)	3.975 in
Housing Cast Face to Outermost Bearing Face (in)	0.94 in
Bolt Circle (in)	9.5 in
Length Through Bore (in)	4.38 in
Bolt Spacing (in)	6.72 in

Technical Specifications

Housing Material	Cast Iron
Static Load Rating (lb)	90,700 lb
Housing Type	Flange, Four Bolt
Seal Type	Clearance Seal
Housing Style	Flange Block
Misalignment Type	Dynamic
Housing Construction	Solid
Series	Flange Blocks
Product	ZB2000
Radial Clearance	C3 STANDARD
Radial Dynamic Load Capacity (lb)	84,330 lb
End Cap	DTC10
Cage Material	Engineered Polymer
Rolling Element	Spherical Roller
Shaft Locking Type	Single Set Collar
Fixed/Expansion	Fixed
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	ZS10
Maximum Speed (RPM)	2400 rpm
Microlock Kit	ML4
Ability to Relubricate	Yes
Lubricant	EXXON RONEX MP STD
Locking Device Kit	SC10
Insert	2303U
Size Code	10
Vibration Frequency Fundamental Train	0.0073 cps
Misalignment Capability	±2.0° Misalignment - Dynamic
Grease Fitting Thread Size	1/8 NPT
Vibration Frequency Roller Spin	0.0628 cps
Vibration Frequency Outer Ring Defect	0.1383 cps
Vibration Frequency Inner Ring Defect	0.1784 cps
Housing Coating	POWDER COATED
Primary Seal	STEEL CLEARANCE SEAL
Max Operating Temperature (F)	225 °F
Max Operating Temperature (C)	107 °C

General Specifications

UPC	698210173708
Weight	37.00 LB
Packaged Length	9.50 IN
Packaged Width	4.50 IN
Packaged Height	9.25 IN
HTC	8483204080
Country of Origin	United States of America