• Rex MB2308S Spherical Roller Bearings ZB2000 Flange Block. Contact Rexnord for more details.

Dimensions

Bolt Size (in)	3/4 in
Housing Width (in)	8.44 in
Foot Height (in)	1 in
Overall Height (in)	4.63 in
Bore Diameter (in)	3.5000 in
Pilot Diameter (in)	7.375 in
Overall Width (in)	8.44 in
Overall Length (in)	8.44 in
Locking Collar Outside Diameter (in)	4.91 in
Standoff Distance (in)	0.25 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
Housing Cast Face to Outermost Bearing Face (in)	0.94 in

Technical Specifications

Radial Dynamic Load Capacity (lb)	84,330 lb
Housing Construction	Solid
Misalignment Type	Dynamic
Housing Material	Cast Iron
End Cap	DTC10
Shaft Locking Type	Single Set Collar
Cage Material	Engineered Polymer
Seal Type	Heavy Contact Seal
Static Load Rating (lb)	90,700 lb
Housing Style	Flange Block
Series	Flange Blocks
Fixed/Expansion	Fixed
Housing Type	Flange, Four Bolt, Pilot
Rolling Element	Spherical Roller
Radial Clearance	C3 STANDARD
Product	ZB2000
Maximum Speed (RPM)	1400 rpm
Ability to Relubricate	Yes
Available Seal Type	K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip
Microlock Kit	ML4
Seal Kit	MS10
Setscrew Torque (in-lbs)	680 in/lbs
Grease Fitting Thread Size	1/8 NPT
Misalignment Capability	±2.0° Misalignment - Dynamic
Vibration Frequency Inner Ring Defect	0.1784 cps
Housing Coating	POWDER COATED
Max Operating Temperature (F)	225 °F
Lubricant	EXXON RONEX MP STD
Vibration Frequency Roller Spin	0.0628 cps
Max Operating Temperature (C)	107 °C
Vibration Frequency Outer Ring Defect	0.1383 cps
Insert	2308U
Locking Device Kit	SC10
Primary Seal	BUNA SPRING LOADED LIP SEAL
Vibration Frequency Fundamental Train	0.0073 cps
Size Code	10

General Specifications

UPC	698210702311
Weight	32.60 LB
Packaged Length	9.50 IN
Packaged Width	4.50 IN
Packaged Height	9.25 IN