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Rex ZBR5207 5000 series heavy duty round flange cartridge bracket mounted spherical roller bearing with a 2-7/16 in (61.91 mm) bore. Cast iron housing with double setscrew locking collar and standard clearance seal.
MODEL 10427956
Contact supplier for technical support on: 800-626-2120
$1,080.33 Each
Prices are subject to change
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Returnable: See conditions
Available end cap
DTC8
Available End Cap
DTC8
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 CART 4 BLT RND RB
Bearing housing material
Cast iron
Bearing Type
Spherical roller brg
Bolt circle radius (in)
3 1/4 in
Bolt Circle Radius (in)
3 1/4 in
Bolt hole circle diameter (in)
6 1/2 in
Bolt Hole Circle Diameter (in)
6 1/2 in
Bolt Size (in)
2.4375 in
Bore length (in)
4 3/8 in
Bore Length (in)
4 3/8 in
Bore Size (in)
2.4375 in
C dynamic load rating
43240 lb
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Co static load rating
53500 lb
Distance between bolt holes (in)
4 19/32 in
Distance Between Bolt Holes (in)
4 19/32 in
Fixed expansion
Fixed
Fixed vs. Expansion
Fixed
Grease fitting size
1/8 NPT
Grease Fitting Thread Size
1/8 NPT
Height
8.00
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing Construction
Solid
Housing Material
Cast Iron
Housing Style
Flange Block
Housing Type
Flange, Cartridge
Insert
5207U
Length
8.00
Length Through Bore (in)
4.38
Locking device kit
SC8 QTY 2
Locking Device Kit
SC8 QTY 2
Locking Type
Double Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Max Speed
3300 rpm
Maximum Speed (RPM)
3300 rpm
Mounted clearance
C3 standard
Mounting bolt size (in)
1/2 in
Mounting Bolt Size (in)
1/2 in
Net Weight
15.90
Primary seal
Steel clearance seal
Primary Seal
STEEL CLEARANCE SEAL
Radial Dynamic Load Capacity (lb)
43240 lb
Radial Static Load Capacity (lb)
53500 lb
Retainer Material
Engineered Polymer
Retainer type
Engineered polymer
Series
Flanged Cartridge Blocks
Service instructions
BR3-001 REX 2, 3, 5, 6, 9000
Shaft diameter (in)
2 7/16 in
Shaft locking
Double set collar
Size code
8
Size Code
8
Threaded cover kit
TC8
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
0.1791 cps
Vibration Frequency Inner Ring Defect
0.1791 cps
Vibration frequency outer ring defect
0.1376 cps
Vibration Frequency Outer Ring Defect
0.1376 cps
Vibration frequency roller spin
0.0607 cps
Vibration Frequency Roller Spin
0.0607 cps
Volume
1.697
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
6.13
2 7/16" 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.
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