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Rexnord MFT8220712 is a 2-7/16" (61.91 mm) bore mounted spherical roller bearing in a center pull elevator boot take-up assembly. It features a single setscrew locking collar and a spring loaded heavy contact seal for reliable performance in demanding material handling applications.
MODEL 10421425
Contact supplier for technical support on: 800-626-2120
$7,481.84 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Ability to Relubricate
Yes
Adjusting screw thread size
1 1/8-7 NC
Available end cap
DTC8
Available End Cap
DTC8
Base to centerline height (in)
3.938
Bearing Brand
REX ROLLER BEARING
Bolt Hole Spacing [Width] (in)
7.5
Bolt Size (in)
1/2
Bore size (in)
2.4375 in
Bore Size (in)
2.4375 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance from Backing Panel to Outer Most Bearing Face (in)
6.13
Distance from Bearing Centerline to End of Felt Plate in Both Directions (in)
14
Distance from Bearing Centerline to End of Rod (in)
27
Distance from End of Frame at Rod End to End of Rod (in)
12.44
Distance from End of Frame at Rod End to Mounting Bolt Center (in)
7.31
Fixed vs. Expansion
Fixed
Frame
ZFT812
Frame height (in)
8.31
Frame length (in)
28.63
Frame Material
Welded Steel
Frame type
Center Pull Elevator Boot Assembly
Grease Fitting Thread Size
1/8 NPT
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing construction
Solid
Housing Construction
Solid
Housing material
Cast iron
Housing Material
Cast Iron
Housing style
Take-Up Assembly
Housing Style
Take-Up Assembly
Housing type
Take-Up Assembly
Housing Type
Take-Up Assembly
Insert
2207U
Length Through Bore (in)
3.51
Locking device kit
SC8
Locking Device Kit
SC8
Locking Type
Single Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
2000 rpm
Maximum Temperature (C)
107
Maximum Temperature (F)
225
Microlock kit
ML3
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Net Weight
87.00
Overall Height (in)
8.31
Overall Length (in)
30.5
Overall rod length (in)
24.25
Overall width
6.13
Primary seal
Buna spring loaded lip seal
Primary Seal
BUNA SPRING LOADED LIP SEAL
Radial Dynamic Load Capacity (lb)
43240 lb
Radial Static Load Capacity (lb)
53500 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Rolling element
Spherical Roller
Seal kit
MS8
Seal type
Heavy Contact Seal
Setscrew torque (in-lbs)
680
Size code
8
Size Code
8
Take-up block
MT82207
Take-up Block
MT82207
Travel length (in)
12
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
Weight unit
LB
2 7/16" Mounted Spherical Roller Bearing, Center Pull Elevator Boot Take-up Assembly, Single Setscrew Locking Collar, 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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