• Rex MB230778 Spherical Roller Bearings ZB2000 Flange Block. Contact Rexnord for more details.

Dimensions

Overall Length (in)	8.44 in
Bore Diameter (in)	3.4375 in
Housing Width (in)	8.44 in
Bolt Size (in)	3/4 in
Foot Height (in)	1 in
Overall Height (in)	4.63 in
Overall Width (in)	8.44 in
Locking Collar Outside Diameter (in)	4.91 in
Standoff Distance (in)	0.25 in
Bolt Circle (in)	9.5 in
Inner Ring Outside Diameter (in)	3.975 in
Bolt Spacing (in)	6.72 in
Housing Cast Face to Outermost Bearing Face (in)	0.94 in
Length Through Bore (in)	4.38 in

Technical Specifications

Series	Flange Blocks
Cage Material	Steel
Shaft Locking Type	Single Set Collar
Radial Dynamic Load Capacity (lb)	84,330 lb
Housing Material	Cast Iron
Misalignment Type	Dynamic
Static Load Rating (lb)	90,700 lb
Rolling Element	Spherical Roller
End Cap	DTC10
Seal Type	Heavy Contact Seal
Product	ZB2000
Housing Type	Flange, Four Bolt
Radial Clearance	C3 STANDARD
Housing Construction	Solid
Housing Style	Flange Block
Fixed/Expansion	Fixed
Microlock Kit	ML4
Ability to Relubricate	Yes
Maximum Speed (RPM)	1400 rpm
Setscrew Torque (in-lbs)	680 in/lbs
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
Vibration Frequency Fundamental Train	0.0073 cps
Primary Seal	BUNA SPRING LOADED LIP SEAL
Vibration Frequency Outer Ring Defect	0.1383 cps
Misalignment Capability	±2.0° Misalignment - Dynamic
Vibration Frequency Inner Ring Defect	0.1784 cps
Housing Coating	POWDER COATED
Insert	2307U78
Size Code	10
Max Operating Temperature (F)	225 °F
Vibration Frequency Roller Spin	0.0628 cps
Max Operating Temperature (C)	107 °C
Locking Device Kit	SC10
Lubricant	EXXON RONEX MP STD
Grease Fitting Thread Size	1/8 NPT

General Specifications

UPC	662864903967
Weight	34.60 LB
Country of Origin	Mexico