• Rexnord ZA211178 Rex Spherical Roller Bearings ZA2000 Solid-housed Pillow Block. Contact Rexnord for more details.

Dimensions

Base to Center Height (in)	2.125 in
Base Width (in)	2.44 in
Bolt Size (in)	1/2 in
Slot Length (in)	0.81 in
Overall Height (in)	4.25 in
Overall Width (in)	3.13 in
Bore Diameter (in)	1.6875 in
Overall Length (in)	7.13 in
Foot Height (in)	1.13 in
Locking Collar Outside Diameter (in)	2.58 in
Housing Cast Face to Outermost Bearing Face (in)	0.69 in
Bolt Spacing (in)	5.5 in
Inner Ring Outside Diameter (in)	2.027 in
Base Length (in)	7.13 in
Length Through Bore (in)	3.13 in

Technical Specifications

Shaft Locking Type	Single Set Collar
Rolling Element	Spherical Roller
Cage Material	Steel
Fixed/Expansion	Fixed
Housing Type	Pillow Block, Two Bolt
Housing Style	Pillow Block
Seal Type	Clearance Seal
Housing Material	Cast Iron
Housing Color	Black
Radial Clearance	C3 STANDARD
Static Load Rating (lb)	28,700 lb
Radial Dynamic Load Capacity (lb)	27,820 lb
Housing Construction	Solid
Product	ZA2000
End Cap	DTC5
Series	Solid-housed Pillow Blocks
Misalignment Type	Dynamic
Setscrew Torque (in-lbs)	325 in/lbs
Seal Kit	ZS5
Microlock Kit	ML2
Maximum Speed (RPM)	4450 rpm
Ability to Relubricate	Yes
Vibration Frequency Fundamental Train	0.0069 cps
Insert	2111U78
Locking Device Kit	SC5
Max Operating Temperature (C)	107 °C
Grease Fitting Thread Size	1/8 NPT
Vibration Frequency Roller Spin	0.0466 cps
Primary Seal	STEEL CLEARANCE SEAL
Max Operating Temperature (F)	225 °F
Lubricant	EXXON RONEX MP STD
Vibration Frequency Inner Ring Defect	0.1361 cps
Housing Coating	POWDER COATED
Size Code	5
Vibration Frequency Outer Ring Defect	0.0972 cps
Misalignment Capability	±2.0° Misalignment - Dynamic

General Specifications

UPC	782934891687
Weight	9.50 LB
Country of Origin	Mexico