• Rex ZB6303 Spherical Roller Bearings ZB6000 Flange Block. Contact Rexnord for more details.

Dimensions

Overall Height (in)	5.28 in
Housing Width (in)	8.44 in
Bolt Size (in)	3/4 in
Overall Width (in)	8.44 in
Bore Diameter (in)	3.1875 in
Foot Height (in)	1 in
Overall Length (in)	8.44 in
Standoff Distance (in)	0.25 in
Locking Collar Outside Diameter (in)	4.95 in
Inner Ring Outside Diameter (in)	3.975 in
Length Through Bore (in)	5.03 in
Bolt Circle (in)	9.5 in
Bolt Spacing (in)	6.72 in
Housing Cast Face to Outermost Bearing Face (in)	1.59 in

Technical Specifications

Housing Style	Flange Block
Radial Clearance	C3 STANDARD
Shaft Locking Type	Adapter Mount
Rolling Element	Spherical Roller
Cage Material	Engineered Polymer
Misalignment Type	Dynamic
Housing Material	Cast Iron
Housing Construction	Solid
Series	Flange Blocks
Static Load Rating (lb)	90,700 lb
Product	ZB6000
Seal Type	Clearance Seal
Fixed/Expansion	Fixed
Radial Dynamic Load Capacity (lb)	84,330 lb
Housing Type	Flange, Four Bolt
End Cap	NEED EXT EC
Ability to Relubricate	Yes
Maximum Speed (RPM)	2400 rpm
Seal Kit	ZS10
Available Seal Type	K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip
Wrench Style Shurlok Install Tool	105-90420-51
Setscrew Torque (in-lbs)	165-185 in/lbs
Microlock Kit	ML4
Vibration Frequency Fundamental Train	0.0073 cps
Grease Fitting Thread Size	1/8 NPT
Insert	6303U
Lubricant	EXXON RONEX MP STD
Vibration Frequency Inner Ring Defect	0.1784 cps
Shaft Locking Collar Kit/Adapter Assembly	AK106303
Vibration Frequency Roller Spin	0.0628 cps
Size Code	10
Vibration Frequency Outer Ring Defect	0.1383 cps
Max Operating Temperature (C)	107 °C
Misalignment Capability	±2.0° Misalignment - Dynamic
Impact Style Shurlok Install Tool	105-90425-51
Max Operating Temperature (F)	225 °F
Locking Device Kit	AK106303
Primary Seal	STEEL CLEARANCE SEAL
Housing Coating	POWDER COATED

General Specifications

UPC	793699901924
Weight	34.60 LB
Packaged Length	9.50 IN
Packaged Width	4.50 IN
Packaged Height	9.25 IN