• Rexnord KBR2211G78 Rex Spherical Roller Bearings ZBR2000 Flanged Cartridge Block. Contact Rexnord for more details.

Dimensions

Overall Length (in)	8.75 in
Pilot Diameter (in)	6.375 in
Bore Diameter (in)	2.6875 in
Overall Height (in)	4 in
Overall Width (in)	8.75 in
Bolt Size (in)	5/8 in
Foot Height (in)	0.75 in
Housing Height (in)	3.13 in
Locking Collar Outside Diameter (in)	4.06 in
Housing Outside Diameter (in)	8.75 in
Pilot Depth (in)	1.25 in
Mounting Plate to Collar Face (in)	2 in
Bolt Circle (in)	7.5 in
Inner Ring Outside Diameter (in)	3.37 in
Length Through Bore (in)	4 in
Bolt Spacing (in)	5.297 in
Mounting Surface to End of Housing (in)	2 in
Housing Cast Face to Outermost Bearing Face (in)	0.88 in

Technical Specifications

Housing Material	Cast Iron
Rolling Element	Spherical Roller
Misalignment Type	Dynamic
Static Load Rating (lb)	71,500 lb
Seal Type	Single Lip Contact Seal
Housing Construction	Solid
Series	Flanged Cartridge Blocks
Housing Color	Black
Radial Clearance	C3 STANDARD
Cage Material	Steel
Product	ZBR2000
Housing Style	Flange Block
Fixed/Expansion	Fixed
Radial Dynamic Load Capacity (lb)	57,750 lb
Shaft Locking Type	Single Set Collar
Housing Type	Flange, Cartridge
Setscrew Torque (in-lbs)	680 in/lbs
Bolt Hole Shape	Round Hole
Seal Kit	KS9
Ability to Relubricate	Yes
Maximum Speed (RPM)	1900 rpm
Max Operating Temperature (F)	225 °F
Primary Seal	BUNA SGL LIP LIGHT CONTACT
Size Code	9
Lubricant	EXXON RONEX MP STD
Insert	2211UR78
Misalignment Capability	±2.0° Misalignment - Dynamic
Vibration Frequency Roller Spin	0.0591 cps
Housing Coating	POWDER COATED
Max Operating Temperature (C)	107 °C
Vibration Frequency Outer Ring Defect	0.1299 cps
Vibration Frequency Inner Ring Defect	0.1701 cps
Vibration Frequency Fundamental Train	0.0072 cps
Grease Fitting Thread Size	1/8 NPT
Locking Device Kit	SC9

General Specifications

UPC	782935270368
Weight	23.40 LB
HTC	8483204080
Country of Origin	Mexico