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Rexnord MST11531518 ZST5000 center pull spring loaded take-up assembly with a 3-15/16 in (100.01 mm) bore. This mounted spherical roller bearing features a double setscrew locking collar and a spring loaded heavy contact seal. The cast iron housing is designed for heavy duty applications requiring automatic belt tensioning.
MODEL 10425976
Contact supplier for technical support on: 800-626-2120
$13,252.26 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
2-4 1/2 NC
Allowable Working Load [2/3 Yield Strength] (lb)
38400
Available end cap
DTC11
Available End Cap
DTC11
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 to centerline height (in)
7
Bearing Brand
REX ROLLER BEARING
Bolt Hole Spacing [Width] (in)
2.5
Bolt Size (in)
3/4
Bore size (in)
3.9375 in
Bore Size (in)
3.9375 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance between bolt holes (in)
42
Distance from frame bolt hole center to bearing centerline (in)
10.63
Fixed vs. Expansion
Fixed
Foot Height (in)
0.88
Frame
ZST1118
Frame height (in)
14.19
Frame length (in)
44.5
Frame Material
Welded Steel
Frame type
Spring Loaded Center Pull Takeup Assembly
Frame Width (in)
6
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
5315U
Length Through Bore (in)
6.25
Locking device kit
SC11 QTY 2
Locking Device Kit
SC11 QTY 2
Locking Type
Double Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
1200 rpm
Maximum Spring Extension Length (in)
41
Maximum Temperature (C)
107
Maximum Temperature (F)
225
Microlock kit
ML4
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Net Weight
270.00
Overall Height (in)
14.19
Overall Length (in)
44.5
Overall rod length (in)
48.5
Overall width
6.25
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 type
Heavy Contact Seal
Setscrew torque (in-lbs)
1350
Size code
11
Size Code
11
Take-up block
MT115315
Take-up Block
MT115315
Travel length (in)
18
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
Weight unit
LB
Working Load - Inches of Spring Deflection [1] (lb)
2600
Working Load - Inches of Spring Deflection [3] (lb)
5200
Working Load - Inches of Spring Deflection [5] (lb)
9400
3 15/16" Mounted Spherical Roller Bearing, Center Pull Spring Loaded Take-up Assembly, Double Setscrew Locking Collar, Spring Loaded Heavy Contact Seal
SKU: 495479
Good orice
This stump grinder wheel bearing is expensive and I need two each time I change them. Best price I found anywhere and free shipping here at MRO Supply
Read moreHow 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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SKU: 495479
Good orice
This stump grinder wheel bearing is expensive and I need two each time I change them. Best price I found anywhere and free shipping here at MRO Supply
Read more