• Rex ZB2303S Spherical Roller Bearings ZB2000 Flange Block. Contact Rexnord for more details.

Dimensions

Pilot Diameter (in)	7.375 in
Overall Height (in)	4.63 in
Bolt Size (in)	3/4 in
Overall Width (in)	8.44 in
Overall Length (in)	8.44 in
Foot Height (in)	1 in
Housing Width (in)	8.44 in
Bore Diameter (in)	3.1875 in
Locking Collar Outside Diameter (in)	4.91 in
Standoff Distance (in)	0.25 in
Housing Cast Face to Outermost Bearing Face (in)	0.94 in
Inner Ring Outside Diameter (in)	3.975 in
Length Through Bore (in)	4.38 in
Bolt Circle (in)	9.5 in
Bolt Spacing (in)	6.72 in

Technical Specifications

Rolling Element	Spherical Roller
Product	ZB2000
Radial Clearance	C3 STANDARD
Static Load Rating (lb)	90,700 lb
Cage Material	Engineered Polymer
Seal Type	Clearance Seal
Shaft Locking Type	Single Set Collar
Misalignment Type	Dynamic
Series	Flange Blocks
Housing Style	Flange Block
Housing Construction	Solid
Housing Type	Flange, Four Bolt, Pilot
Fixed/Expansion	Fixed
Housing Material	Cast Iron
End Cap	DTC10
Radial Dynamic Load Capacity (lb)	84,330 lb
Seal Kit	ZS10
Microlock Kit	ML4
Available Seal Type	K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip
Ability to Relubricate	Yes
Maximum Speed (RPM)	2400 rpm
Setscrew Torque (in-lbs)	680 in/lbs
Max Operating Temperature (C)	107 °C
Lubricant	EXXON RONEX MP STD
Insert	2303U
Vibration Frequency Outer Ring Defect	0.1383 cps
Grease Fitting Thread Size	1/8 NPT
Max Operating Temperature (F)	225 °F
Vibration Frequency Inner Ring Defect	0.1784 cps
Size Code	10
Locking Device Kit	SC10
Housing Coating	POWDER COATED
Primary Seal	STEEL CLEARANCE SEAL
Misalignment Capability	±2.0° Misalignment - Dynamic
Vibration Frequency Roller Spin	0.0628 cps
Vibration Frequency Fundamental Train	0.0073 cps

General Specifications

UPC	698210684983
Weight	35.50 LB
Packaged Length	9.50 IN
Packaged Width	4.50 IN
Packaged Height	9.25 IN
Country of Origin	Mexico