• Rex MB2303PL Spherical Roller Bearings ZB2000 Flange Block. Contact Rexnord for more details.

Dimensions

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

Technical Specifications

Fixed/Expansion	Fixed
Housing Construction	Solid
Rolling Element	Spherical Roller
Housing Type	Flange, Four Bolt
Housing Material	Cast Iron
Static Load Rating (lb)	90,700 lb
Housing Style	Flange Block
Misalignment Type	Dynamic
Cage Material	Engineered Polymer
Product	ZB2000
Series	Flange Blocks
End Cap	DTC10
Radial Clearance	C3 STANDARD
Shaft Locking Type	Single Set Collar
Seal Type	Heavy Contact Seal
Radial Dynamic Load Capacity (lb)	84,330 lb
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	MS10
Setscrew Torque (in-lbs)	680 in/lbs
Maximum Speed (RPM)	1400 rpm
Microlock Kit	ML4
Ability to Relubricate	Yes
Misalignment Capability	±2.0° Misalignment - Dynamic
Insert	2303UPL
Vibration Frequency Roller Spin	0.0628 cps
Max Operating Temperature (F)	225 °F
Max Operating Temperature (C)	107 °C
Vibration Frequency Fundamental Train	0.0073 cps
Housing Coating	POWDER COATED
Locking Device Kit	SC10
Grease Fitting Thread Size	1/8 NPT
Size Code	10
Lubricant	EXXON RONEX MP STD
Vibration Frequency Outer Ring Defect	0.1383 cps
Primary Seal	BUNA SPRING LOADED LIP SEAL
Vibration Frequency Inner Ring Defect	0.1784 cps

General Specifications

UPC	698210866075
Weight	37.00 LB
Packaged Length	9.50 IN
Packaged Width	4.50 IN
Packaged Height	9.25 IN
HTC	8483204080