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Rex AMA5307F is a 5000 series heavy duty mounted spherical roller bearing with a 3-7/16 in (87.31 mm) bore. It features a cast iron 2-bolt pillow block housing, double setscrew locking collar, spring-loaded heavy contact lip seal, and two open auxiliary caps. This fixed (non-expansion) unit is designed for high-load applications requiring reliable shaft support.
MODEL 10420849
Contact supplier for technical support on: 800-626-2120
$6,755.29 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable: See conditions
Ability to Relubricate
Yes
Auxiliary cap kit
A10307 (qty 2)
Auxiliary Cap Kit
A10307 (qty 2)
Auxiliary seals
2 open caps cast iron
Auxiliary Seals
2 OPEN CAPS CAST IRON
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)
13
Base to centerline height (in)
3 3/4 in
Base to Centerline Height (in)
3 3/4 in
Base Width (in)
4.13
Bearing Brand
REX ROLLER BEARING
Bolt Hole Spacing [Width] (in)
2 in
Bolt Size (in)
3.4375 in
Bore length (in)
6 15/16 in
Bore Length (in)
6 15/16 in
Bore size (in)
3.4375 in
Bore Size (in)
3.4375 in
Cage Material
Engineered Polymer
Centerline to Cap Face (in)
3.5
Clearance
C3 STANDARD
Distance between bolt holes (in)
10 in
Distance Between Bolt Holes (in)
10 in
Distance from housing cast face to inner ring long hub face (in)
15/16 in
Distance from Housing Cast Face to Inner Ring Long Hub Face (in)
15/16 in
Fixed vs. Expansion
Fixed
Foot Height (in)
2.25
Grease Fitting Thread Size
1/8 NPT
Height
8.38
Housing Cast Face to Outermost Bearing Face (in)
1.81
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing Color
Black
Housing construction
Solid
Housing Construction
Solid
Housing material
Cast iron
Housing Material
Cast Iron
Housing style
Pillow block
Housing Style
Pillow Block
Housing type
Pillow Block, Four Bolt
Housing Type
Pillow Block, Four Bolt
Inner ring hub diameter (in)
3 31/32 in
Inner Ring Hub Diameter (in)
3 31/32 in
Inner Ring Outside Diameter (in)
3.975
Insert
5307U
Length
15.00
Length Through Bore (in)
6.94
Locking collar outside diameter (in)
4 29/32 in
Locking Collar Outside Diameter (in)
4 29/32 in
Locking device kit
SC10 QTY 2
Locking Device Kit
SC10 QTY 2
Locking Type
Double Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
1400 rpm
Maximum Temperature (C)
107 C
Maximum Temperature (F)
225 F
Microlock kit
ML4
Microlock Kit
ML4
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Mounting bolt hole slot length (in)
1 1/2 in
Mounting Bolt Hole Slot Length (in)
1 1/2 in
Mounting bolt size (in)
3/4 in
Mounting Bolt Size (in)
3/4 in
Mounting pad height (in)
2 1/4 in
Mounting Pad Height (in)
2 1/4 in
Mounting pad length (in)
13 in
Mounting Pad Length (in)
13 in
Mounting pad width (in)
4 1/8 in
Mounting Pad Width (in)
4 1/8 in
Net Weight
52.00
Overall Length (in)
13
Overall width
6.94
Primary seal
Buna spring loaded lip seal
Primary Seal
BUNA SPRING LOADED LIP SEAL
Radial Dynamic Load Capacity (lb)
84330 lb
Radial Static Load Capacity (lb)
90700 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Rolling element
Spherical Roller
Seal kit
MS10
Seal Kit
MS10
Seal type
Heavy Contact Seal
Seal Type
Heavy Contact Seal
Series
Solid-housed Pillow Blocks
Setscrew torque (in-lbs)
680 in/lbs
Setscrew Torque (in-lbs)
680 in/lbs
Size code
10
Size Code
10
Unit of dimension
in
Unit of Dimension
IN
Vibration frequency fundamental train
0.0073 cps
Vibration Frequency Fundamental Train
0.0073 cps
Vibration frequency inner ring defect
0.1784 cps
Vibration Frequency Inner Ring Defect
0.1784 cps
Vibration frequency outer ring defect
0.1383 cps
Vibration Frequency Outer Ring Defect
0.1383 cps
Vibration frequency roller spin
0.0628 cps
Vibration Frequency Roller Spin
0.0628 cps
Volume
0.144
Volume unit
Hectoliter
Volume Unit
Hectoliter
Weight unit
LB
Width
7.00
3 7/16" Mounted Spherical Roller Bearing, Cast Iron 4-Bolt Pillow Block, Double Setscrew Locking Collar, Spring Loaded Heavy Contact Seal, Two Open Auxiliary Caps
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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