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Rex MA6311 3-11/16" (93.66 mm) mounted spherical roller bearing, 6000 series heavy duty adapter mount. Cast iron fixed 2-bolt pillow block with Shurlok adapter mounting and spring-loaded heavy contact lip seal. Designed for high-load applications requiring secure shaft mounting and reliable sealing in demanding environments.
MODEL 10407823
Contact supplier for technical support on: 800-626-2120
$1,642.74 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
Need EXT EC
Available End Cap
NEED EXT EC
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)
14.25
Base to centerline height (in)
4 1/8 in
Base to Centerline Height (in)
4 1/8 in
Base Width (in)
4.13
Bearing Brand
REX ROLLER BEARING
Bolt Size (in)
3.6875 in
Bore length (mm)
5.78 mm
Bore Length (mm)
5.78 mm
Bore size (in)
3.6875 in
Bore Size (in)
3.6875 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance between bolt holes (in)
10 7/8 in
Distance Between Bolt Holes (in)
10 7/8 in
Distance from housing cast face to locking feature face (in)
1 47/64 in
Distance from Housing Cast Face to Locking Feature Face (in)
1 47/64 in
Fixed vs. Expansion
Fixed
Foot Height (in)
2.13
Grease Fitting Thread Size
1/8 NPT
Height
8.50
Housing Cast Face to Outermost Bearing Face (in)
1.73
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, Two Bolt
Housing Type
Pillow Block, Two Bolt
Impact style shurlok install tool
105-90425-61
Impact Style Shurlok Install Tool
105-90425-61
Inner ring hub diameter (in)
4 9/16 in
Inner Ring Hub Diameter (in)
4 9/16 in
Inner Ring Outside Diameter (in)
4.561
Insert
6311U
Length
15.50
Length Through Bore (in)
5.97
Locking collar outside diameter (in)
5.67
Locking device kit
AK116311
Locking Device Kit
AK116311
Locking Type
Tapered Adapter
Locknut Outside Diameter (in)
5 43/64 in
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
1200 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 3/4 in
Mounting Bolt Hole Slot Length (in)
1 3/4 in
Mounting bolt size (in)
1 in
Mounting Bolt Size (in)
1 in
Mounting pad height (in)
2 1/8 in
Mounting Pad Height (in)
2 1/8 in
Mounting pad length (in)
14 1/4 in
Mounting Pad Length (in)
14 1/4 in
Mounting pad width (in)
4 1/8 in
Mounting Pad Width (in)
4 1/8 in
Net Weight
58.00
Overall Length (in)
14.25
Overall width
5.97
Primary seal
Buna spring loaded lip seal
Primary Seal
BUNA SPRING LOADED LIP SEAL
Radial Dynamic Load Capacity (lb)
130970 lb
Radial Static Load Capacity (lb)
137000 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Rolling element
Spherical Roller
Seal kit
MS11
Seal Kit
MS11
Seal type
Heavy Contact Seal
Seal Type
Heavy Contact Seal
Series
Solid-housed Pillow Blocks
Setscrew torque (in-lbs)
290-325 in/lbs
Setscrew Torque (in-lbs)
290-325 in/lbs
Shaft locking collar kit/adapter assembly
AK116311
Shaft Locking Collar Kit/Adapter Assembly
AK116311
Size code
11
Size Code
11
Unit of dimension
in
Unit of Dimension
IN
Vibration frequency fundamental train
0.0071 cps
Vibration Frequency Fundamental Train
0.0071 cps
Vibration frequency inner ring defect
0.1717 cps
Vibration Frequency Inner Ring Defect
0.1717 cps
Vibration frequency outer ring defect
0.1283 cps
Vibration Frequency Outer Ring Defect
0.1283 cps
Vibration frequency roller spin
0.0548 cps
Vibration Frequency Roller Spin
0.0548 cps
Volume
0.116
Volume unit
Hectoliter
Volume Unit
Hectoliter
Weight unit
LB
Width
5.38
Wrench style shurlok install tool
105-90420-61
Wrench Style Shurlok Install Tool
105-90420-61
3 11/16" Mounted Spherical Roller Bearing, Cast Iron Fixed 2-Bolt Pillow Block, Shurlok Adapter Mounted, Spring Loaded Heavy Contact 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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