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Rex ZA240072 4" bore mounted spherical roller bearing in a cast steel fixed 2-bolt pillow block housing. This 2000 series normal duty unit features a single setscrew locking collar and standard clearance seal. Designed for industrial applications requiring reliable shaft support and self-alignment.
MODEL 10427920
Contact supplier for technical support on: 800-626-2120
$2,220.65 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
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Typically Ships in: 1 day
Returnable: See conditions
Ability to Relubricate
Yes
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 Length (in)
14.25
Base to centerline height (in)
4.125
Base Width (in)
4.13
Bearing Brand
REX ROLLER BEARING
Bolt Size (in)
1
Bore size (in)
4 in
Bore Size (in)
4 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance between bolt holes (in)
10.88
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)
1.03
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing Color
Black
Housing construction
Solid
Housing Construction
Solid
Housing material
Cast steel
Housing Material
Cast Steel
Housing style
Pillow block
Housing Style
Pillow Block
Housing type
Pillow Block, Two Bolt
Housing Type
Pillow Block, Two Bolt
Inner Ring Outside Diameter (in)
4.561
Insert
2400U
Length
15.50
Length Through Bore (in)
5.13
Locking collar outside diameter (in)
5.63
Locking device kit
SC11
Locking Device Kit
SC11
Locking Type
Single Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
2050 rpm
Maximum Temperature (C)
107
Maximum Temperature (F)
225
Microlock kit
ML4
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Net Weight
52.00
Overall Length (in)
14.25
Overall width
5.13
Primary seal
Steel clearance seal
Primary Seal
STEEL CLEARANCE 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
ZS11
Seal type
Clearance Seal
Series
Solid-housed Pillow Blocks
Setscrew torque (in-lbs)
1350
Size code
11
Size Code
11
Slot Length (in)
1.75
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
Rex ZA2000 Pillow Block Spherical Roller Bearings
- Bore range 3/4" - 4" (25mm - 100mm)
- Single setscrew collar
- Seal configurations: Clearance, Light contact, Heavy contact, Triple lip
- Auxiliary end caps available on request
- 4° of total misalignment
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.
Slew ring bearings, also referred to as slewing bearings, slewing rings, or turntable bearings, are forms of bearings designed to allow rotational motion between several components.
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