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Rex ZEF2111 1-11/16" (42.86 mm) bore mounted spherical roller bearing with a cast iron 4-bolt square flange block. This 2000 series normal duty unit features a single setscrew locking collar and a clearance seal for general industrial applications.
MODEL 10443366
Contact supplier for technical support on: 800-626-2120
$1,278.43 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Ability to Relubricate
Yes
Available end cap
DTC5
Available End Cap
DTC5
Available Seal Type
K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip
Bearing Brand
REX ROLLER BEARING
Bearing housing
FLG BLK 4 BLT SQ FOOTED TYPE E
Bearing housing material
Cast iron
Bearing Type
Spherical roller brg
Bolt circle radius (in)
2 59/64 in
Bolt Circle Radius (in)
2 59/64 in
Bolt hole circle diameter (in)
5 27/32 in
Bolt Hole Circle Diameter (in)
5 27/32 in
Bolt Size (in)
1.6875 in
Bore length (in)
3 1/8 in
Bore Length (in)
3 1/8 in
Bore Size (in)
1.6875 in
C dynamic load rating
27820 lb
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Co static load rating
28700 lb
Distance between bolt holes (in)
4 1/8 in
Distance Between Bolt Holes (in)
4 1/8 in
Distance from housing cast face to inner ring long hub face (in)
11/16 in
Distance from Housing Cast Face to Inner Ring Long Hub Face (in)
11/16 in
Fixed expansion
Fixed
Fixed vs. Expansion
Fixed
Foot Height (in)
1.44
Grease fitting size
1/8 NPT
Grease Fitting Thread Size
1/8 NPT
Height
6.63
Housing Cast Face to Outermost Bearing Face (in)
0.69
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing Construction
Solid
Housing height (in)
3.28
Housing Material
Cast Iron
Housing Style
Flange Block
Housing Type
Flange, Four Bolt
Housing width (in)
5 3/8 in
Housing Width (in)
5 3/8 in
Inner ring hub diameter (in)
2 1/32 in
Inner Ring Hub Diameter (in)
2 1/32 in
Inner Ring Outside Diameter (in)
2.027
Insert
2111U
Length
6.63
Length Through Bore (in)
3.13
Locking collar outside diameter (in)
2 19/32 in
Locking Collar Outside Diameter (in)
2 19/32 in
Locking device kit
SC5
Locking Device Kit
SC5
Locking Type
Single Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Max Speed
4450 rpm
Max temperature (°F (°C))
225 (107) F (C)
Maximum Speed (RPM)
4450 rpm
Maximum Temperature (C)
107 C
Maximum Temperature (F)
225 F
Microlock kit
ML2
Microlock Kit
ML2
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Mounted clearance
C3 standard
Mounting bolt size (in)
1/2 in
Mounting Bolt Size (in)
1/2 in
Mounting pad height (in)
1 7/16 in
Mounting Pad Height (in)
1 7/16 in
Net Weight
10.00
Overall Length (in)
6.75
Overall width
6.75
Primary seal
Steel clearance seal
Primary Seal
STEEL CLEARANCE SEAL
Radial Dynamic Load Capacity (lb)
27820 lb
Radial Static Load Capacity (lb)
28700 lb
Retainer Material
Engineered Polymer
Retainer type
Engineered polymer
Seal kit
ZS5
Seal Kit
ZS5
Seal Type
Labyrinth Seal
Service instructions
BR3-001 REX 2, 3, 5, 6, 9000
Setscrew torque (in-lbs)
325 in/lbs
Setscrew Torque (in-lbs)
325 in/lbs
Shaft diameter (in)
1 11/16 in
Shaft locking
Single set collar
Size code
5
Size Code
5
Standoff distance (in)
1/8 in
Standoff Distance (in)
1/8 in
Threaded cover kit
TC5
Type of seal
Clearance seal
Unit of dimension
in
Unit of Dimension
IN
Vibration frequency fundamental train
0.0069 cps
Vibration Frequency Fundamental Train
0.0069 cps
Vibration frequency inner ring defect
0.1361 cps
Vibration Frequency Inner Ring Defect
0.1361 cps
Vibration frequency outer ring defect
0.0972 cps
Vibration Frequency Outer Ring Defect
0.0972 cps
Vibration frequency roller spin
0.0466 cps
Vibration Frequency Roller Spin
0.0466 cps
Volume
0.713
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
3.75
1 11/16" Mounted Spherical Roller Bearing, Cast Iron 4-Bolt Square Flange Block, Single Setscrew Locking Collar, Clearance Seal
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
