We never sell your data to third parties
Rex ZBR5203 2-3/16" (55.56 mm) bore mounted spherical roller bearing insert from the 5000 series heavy duty line. Features a cast iron 4-bolt round flange cartridge block housing with a double setscrew locking collar and a clearance seal. Designed for high-load applications requiring reliable shaft support in industrial power transmission systems.
MODEL 10443345
Contact supplier for technical support on: 800-626-2120
$960.21 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable: See conditions
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
Bearing Brand
REX ROLLER BEARING
Bolt circle radius (in)
3 in
Bolt Circle Radius (in)
3 in
Bolt hole circle diameter (in)
6 in
Bolt Hole Circle Diameter (in)
6 in
Bolt Size (in)
2.1875 in
Bore size (in)
2.1875 in
Bore Size (in)
2.1875 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Fixed vs. Expansion
Fixed
Grease Fitting Thread Size
1/8 NPT
Height
7.25
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing construction
Solid
Housing Construction
Solid
Housing material
Cast iron
Housing Material
Cast Iron
Housing style
Flange block
Housing Style
Flange Block
Housing type
Flange, Cartridge
Housing Type
Flange, Cartridge
Insert
5203U
Length
7.25
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
Maximum Speed (RPM)
3650 rpm
Mounting bolt size (in)
1/2 in
Mounting Bolt Size (in)
1/2 in
Net Weight
13.00
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 Material
Engineered Polymer
Series
Flanged Cartridge Blocks
Size code
7
Size Code
7
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
0.796
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
3.50
2 3/16" Mounted Spherical Roller Bearing, Cast Iron 4-Bolt Round Flange Cartridge 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.
| Brand | PT Coupling |
| Model | 2600415L2 |
| Brand | Isostatic |
| Model | B-1620-24 |
