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Rex ZEF8300 3" mounted spherical roller bearing with fixed cast iron 4-bolt square Type E flange block. Features double setscrew locking collar and clearance seal. 5000 series heavy duty design for high-load applications.
MODEL 10424923
Contact supplier for technical support on: 800-626-2120
$811.86 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
DTC9
Available End Cap
DTC9
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 Size (in)
3/4
Bore size (in)
3 in
Bore Size (in)
3 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance between bolt holes (in)
6
Fixed vs. Expansion
Fixed
Foot Height (in)
1.78
Grease Fitting Thread Size
1/8 NPT
Height
8.63
Housing Cast Face to Outermost Bearing Face (in)
0.88
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing construction
Solid
Housing Construction
Solid
Housing height (in)
4.22
Housing material
Cast iron
Housing Material
Cast Iron
Housing style
Flange block
Housing Style
Flange Block
Housing type
Flange, Four Bolt
Housing Type
Flange, Four Bolt
Housing width (in)
7.75
Inner Ring Outside Diameter (in)
3.37
Insert
8300U
Length
8.63
Length Through Bore (in)
4.88
Locking collar outside diameter (in)
4.06
Locking device kit
SC9 QTY 2
Locking Device Kit
SC9 QTY 2
Locking Type
Double Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
2800 rpm
Maximum Temperature (C)
107
Maximum Temperature (F)
225
Microlock kit
ML3
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Net Weight
28.00
Overall Length (in)
7.75
Overall width
7.75
Primary seal
Steel clearance seal
Primary Seal
STEEL CLEARANCE SEAL
Radial Dynamic Load Capacity (lb)
57750 lb
Radial Static Load Capacity (lb)
71500 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Rolling element
Spherical Roller
Seal kit
ZS9
Seal type
Clearance Seal
Setscrew torque (in-lbs)
680
Size code
9
Size Code
9
Standoff distance (in)
0.19
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
0.1701 cps
Vibration Frequency Inner Ring Defect
0.1701 cps
Vibration frequency outer ring defect
0.1299 cps
Vibration Frequency Outer Ring Defect
0.1299 cps
Vibration frequency roller spin
0.0591 cps
Vibration Frequency Roller Spin
0.0591 cps
Volume
0.048
Volume unit
Hectoliter
Volume Unit
Hectoliter
Weight unit
LB
Width
3.94
3" Mounted Spherical Roller Bearing, Fixed Cast Iron 4-Bolt Square Type E Flange 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 | Gates Rubber |
| Model | AT5-25-60M-LLUKHBNTB |
