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Rex ZT52045MM is a 5000 series heavy duty take-up bearing insert with a 45 mm bore. It features a cast iron housing, single setscrew locking collar, and standard clearance seal. This insert is designed for use in take-up frames and provides reliable support in conveyor and material handling applications.
MODEL 10419168
Contact supplier for technical support on: 800-626-2120
$1,729.26 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Ability to Relubricate
Yes
Adjusting screw clearance hole diameter (in)
1.13
Adjusting screw square nut seat height (in)
1.94
Adjustment pad height (in)
3.31
Adjustment slot width (in)
0.75
Allowable Working Load [2/3 Yield Strength] (lb)
12300
Available end cap
DTC5
Available End Cap
DTC5
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)
3.813
Bearing Brand
REX ROLLER BEARING
Cage Material
Engineered Polymer
Centerline to Outermost Bearing Face (in)
1.91
Clearance
C3 STANDARD
Fixed vs. Expansion
Fixed
Grease Fitting Thread Size
1/8 NPT
Height
4.50
Housing Cast Face to Outermost Bearing Face (in)
0.69
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing construction
Solid
Housing Construction
Solid
Housing material
Cast iron
Housing Material
Cast Iron
Housing Outside Diameter to Cast Square Nut Slot Face (in)
4.25
Housing style
Take-Up Block
Housing Style
Take-Up Block
Housing type
Take Up, Wide Slot
Housing Type
Take Up, Wide Slot
Housing width (in)
2.44
Inner Ring Outside Diameter (in)
2.027
Insert
2045MMU
Length
8.50
Length Through Bore (in)
3.13
Locking collar outside diameter (in)
2.59
Locking device kit
SC5
Locking Device Kit
SC5
Locking Type
Single Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
4450 rpm
Maximum Temperature (C)
107
Maximum Temperature (F)
225
Microlock kit
ML2
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Net Weight
9.20
Overall Length (in)
5.94
Overall width
3.13
Primary seal
Steel clearance seal
Primary Seal
STEEL CLEARANCE SEAL
Radial Dynamic Load Capacity (lb)
27820 lb
Radial Static Load Capacity (lb)
28700 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Rolling element
Spherical Roller
Seal kit
ZS5
Seal type
Labyrinth Seal
Setscrew torque (in-lbs)
325
Size code
5
Size Code
5
Slot Length (in)
3.25
Slot spacing (in)
4
Slot Width (in)
0.69
Unit of dimension
in
Unit of Dimension
IN
Vibration frequency fundamental train
0.0069 cps
Vibration Frequency Fundamental Train
0.0069 cps
Vibration frequency inner ring defect
0.1361 cps
Vibration Frequency Inner Ring Defect
0.1361 cps
Vibration frequency outer ring defect
0.0972 cps
Vibration Frequency Outer Ring Defect
0.0972 cps
Vibration frequency roller spin
0.0466 cps
Vibration Frequency Roller Spin
0.0466 cps
Volume
0.58
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
3.50
45mm Mounted Spherical Roller Bearing, Cast Iron Take-Up Block, Single 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.
