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Rex ZP5203 5000 series heavy duty mounted spherical roller bearing with a 2-3/16 in (55.56 mm) bore. The cast iron fixed 4-bolt pillow block housing features a double setscrew locking collar and standard clearance seal, designed for high-load industrial applications.
MODEL 10441947
Contact supplier for technical support on: 800-626-2120
$862.83 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Ability to Relubricate
Yes
Available end cap
DTC7
Available End Cap
DTC7
Available Seal Type
K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip
Base Length (in)
10.25
Base to centerline height (in)
2.75
Base Width (in)
3.13
Bearing Brand
REX ROLLER BEARING
Bearing housing
Pillow block 2 bolt type ZP
Bearing housing material
Cast iron
Bearing Type
Spherical roller brg
Bolt Size (in)
5/8
Bore Size (in)
2.1875 in
C dynamic load rating
36370 lb
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Co static load rating
44400 lb
Distance between bolt holes (in)
7.5
Fixed expansion
Fixed
Fixed vs. Expansion
Fixed
Foot Height (in)
1.63
Grease fitting size
1/8 NPT
Grease Fitting Thread Size
1/8 NPT
Height
11.25
Housing Cast Face to Outermost Bearing Face (in)
0.81
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing Color
Black
Housing Construction
Solid
Housing Material
Cast Iron
Housing Style
Pillow Block
Housing Type
Pillow Block, Two Bolt
Inner Ring Outside Diameter (in)
2.62
Insert
5203U
Length
6.50
Length Through Bore (in)
4.13
Locking collar outside diameter (in)
3.25
Locking device kit
SC7 QTY 2
Locking Device Kit
SC7 QTY 2
Locking Type
Double Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Max Speed
3650 RPM
Maximum Speed (RPM)
3650 rpm
Maximum Temperature (C)
107
Maximum Temperature (F)
225
Microlock kit
ML2
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Mounted clearance
C3 standard
Net Weight
19.76
Overall Length (in)
10.25
Overall width
4.13
Primary seal
Steel clearance seal
Primary Seal
STEEL CLEARANCE SEAL
Radial Dynamic Load Capacity (lb)
36370 lb
Radial Static Load Capacity (lb)
44400 lb
Retainer Material
Engineered Polymer
Retainer type
Engineered polymer
Seal kit
ZS7
Seal type
Clearance Seal
Series
Solid-housed Pillow Blocks
Service instructions
BR3-001 REX 2, 3, 5, 6, 9000
Setscrew torque (in-lbs)
460
Shaft locking
Double set collar
Size code
7
Size Code
7
Slot Length (in)
1.25
Threaded cover kit
TC7
Unit of dimension
in
Unit of Dimension
IN
Vibration frequency fundamental train
0.0072 cps
Vibration Frequency Fundamental Train
0.0072 cps
Vibration frequency inner ring defect
0.1790 cps
Vibration Frequency Inner Ring Defect
0.1790 cps
Vibration frequency outer ring defect
0.1377 cps
Vibration Frequency Outer Ring Defect
0.1377 cps
Vibration frequency roller spin
0.0606 cps
Vibration Frequency Roller Spin
0.0606 cps
Volume
1.583
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
5.00
2 3/16" Mounted Spherical Roller Bearing, Cast Iron Fixed 2-Bolt Pillow Block, Double 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.
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