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Rex ZB2108 is a 2000 series normal duty mounted spherical roller bearing in a fixed cast iron 3-bolt round flange cartridge housing. It features a 1-1/2 in (38.1 mm) bore with single setscrew locking collar and standard Z clearance seal.
MODEL 10412430
Contact supplier for technical support on: 800-626-2120
$384.62 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Ability to Relubricate
Yes
Available end cap
DTC4
Available End Cap
DTC4
Available Seal Type
K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip
Bearing Brand
REX ROLLER BEARING
Bolt circle radius (in)
2 1/2 in
Bolt Circle Radius (in)
2 1/2 in
Bolt hole circle diameter (in)
5 in
Bolt Hole Circle Diameter (in)
5 in
Bolt Size (in)
1.5 in
Bore length (in)
2 7/8 in
Bore Length (in)
2 7/8 in
Bore size (in)
1.5 in
Bore Size (in)
1.5 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance between bolt holes (in)
4 21/64 in
Distance Between Bolt Holes (in)
4 21/64 in
Fixed vs. Expansion
Fixed
Foot Height (in)
0.63
Grease Fitting Thread Size
1/8 NPT
Height
6.63
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 (in)
6.25
Housing style
Flange block
Housing Style
Flange Block
Housing type
Flange, Three Bolt
Housing Type
Flange, Three Bolt
Inner Ring Outside Diameter (in)
1.745
Insert
2108U
Length
6.63
Length Through Bore (in)
2.88
Locking collar outside diameter (in)
2.31
Locking device kit
SC4
Locking Device Kit
SC4
Locking Type
Single Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
5250 rpm
Maximum Temperature (C)
107
Maximum Temperature (F)
225
Microlock kit
ML2
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Mounting bolt size (in)
1/2 in
Mounting Bolt Size (in)
1/2 in
Net Weight
6.70
Overall Length (in)
6.25
Overall width
6.25
Primary seal
Steel clearance seal
Primary Seal
STEEL CLEARANCE SEAL
Radial Dynamic Load Capacity (lb)
19860 lb
Radial Static Load Capacity (lb)
20900 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Rolling element
Spherical Roller
Seal kit
ZS4
Seal type
Clearance Seal
Setscrew torque (in-lbs)
325
Size code
4
Size Code
4
Unit of dimension
in
Unit of Dimension
IN
Vibration frequency fundamental train
0.0070 cps
Vibration Frequency Fundamental Train
0.0070 cps
Vibration frequency inner ring defect
0.1445 cps
Vibration Frequency Inner Ring Defect
0.1445 cps
Vibration frequency outer ring defect
0.1055 cps
Vibration Frequency Outer Ring Defect
0.1055 cps
Vibration frequency roller spin
0.0499 cps
Vibration Frequency Roller Spin
0.0499 cps
Volume
0.493
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
3.75
1 1/2" Mounted Spherical Roller Bearing, Fixed Cast Iron 3-Bolt Round Flange Block, Single Setscrew Locking Collar, Clearance 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