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Rex MBR2104 ZBR2000 mounted spherical roller bearing insert with 1-1/4 in bore. Cast iron 4-bolt round flange cartridge block housing with single setscrew locking collar and spring-loaded heavy contact seal. Designed for normal duty applications requiring self-alignment and reliable sealing.
MODEL 10407848
Contact supplier for technical support on: 800-626-2120
$593.24 Each
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Available end cap
DTC3
Available End Cap
DTC3
Available seal type
K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal
Available Seal Type
K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal
Bearing Brand
REX ROLLER BEARING
Bolt circle radius (in)
2 1/16 in
Bolt Circle Radius (in)
2 1/16 in
Bolt hole circle diameter (in)
4 1/8 in
Bolt Hole Circle Diameter (in)
4 1/8 in
Bolt Size (in)
1.25 in
Bore length (in)
2 11/16 in
Bore Length (in)
2 11/16 in
Bore size (in)
1.25 in
Bore Size (in)
1.25 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance between bolt holes (in)
2 59/64 in
Distance Between Bolt Holes (in)
2 59/64 in
Distance from housing cast face to inner ring long hub face (in)
9/16 in
Distance from Housing Cast Face to Inner Ring Long Hub Face (in)
9/16 in
Distance from mounting surface to end of pilot end (in)
1 3/8 in
Distance from Mounting Surface to End of Pilot End (in)
1 3/8 in
Distance from mounting surface to outer most bearing face (in)
1 5/16 in
Distance from Mounting Surface to Outer Most Bearing Face (in)
1 5/16 in
Fixed vs. Expansion
Fixed
Foot Height (in)
0.44
Grease Fitting Thread Size
1/8 NPT
Height
3.25
Housing Cast Face to Outermost Bearing Face (in)
0.56
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing construction
Solid
Housing Construction
Solid
Housing material
Cast iron
Housing Material
Cast Iron
Housing style
Flange block
Housing Style
Flange Block
Housing type
Flange, Cartridge
Housing Type
Flange, Cartridge
Insert
2104U
Length
5.50
Length Through Bore (in)
2.69
Locking collar outside diameter (in)
1 31/32 in
Locking Collar Outside Diameter (in)
1 31/32 in
Locking device kit
SC3
Locking Device Kit
SC3
Locking Type
Single Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
3700 rpm
Maximum Temperature (C)
107 C
Maximum Temperature (F)
225 F
Microlock kit
ML2
Microlock Kit
ML2
Mounting bolt size (in)
3/8 in
Mounting Bolt Size (in)
3/8 in
Mounting pad height (in)
7/16 in
Mounting Pad Height (in)
7/16 in
Mounting Surface to End of Housing (in)
1.38
Net Weight
4.60
Pilot depth (in)
3/4 in
Pilot Depth (in)
3/4 in
Pilot diameter (in)
3.375 in
Pilot Diameter (in)
3.375 in
Primary seal
Buna spring loaded lip seal
Primary Seal
BUNA SPRING LOADED LIP SEAL
Radial Dynamic Load Capacity (lb)
18850 lb
Radial Static Load Capacity (lb)
18300 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Seal kit
MS3
Seal Kit
MS3
Seal type
Heavy Contact Seal
Seal Type
Heavy Contact Seal
Series
Flanged Cartridge Blocks
Setscrew torque (in-lbs)
185 in/lbs
Setscrew Torque (in-lbs)
185 in/lbs
Size code
3
Size Code
3
Unit of dimension
in
Unit of Dimension
IN
Vibration frequency fundamental train
0.0068 cps
Vibration Frequency Fundamental Train
0.0068 cps
Vibration frequency inner ring defect
0.1280 cps
Vibration Frequency Inner Ring Defect
0.1280 cps
Vibration frequency outer ring defect
0.0877 cps
Vibration Frequency Outer Ring Defect
0.0877 cps
Vibration frequency roller spin
0.0424 cps
Vibration Frequency Roller Spin
0.0424 cps
Volume
0.426
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
5.50
1 1/4" Mounted Spherical Roller Bearing, Cast Iron 4-Bolt Round Flange Cartridge Block, Single Setscrew Locking Collar, Spring Loaded Heavy Contact Seal
SKU: 1303956
Great service-fast shipping
Awesome service. I would highly recommend doing business with MRO! Price was cheapest anywhere
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.
#490134
Brand
Link-Belt
Model
10442480
| Brand | Champion |
| Model | 952-25/32 |
| Brand | Timken Drives |
| Model | 32309 |
SKU: 1303956
Great service-fast shipping
Awesome service. I would highly recommend doing business with MRO! Price was cheapest anywhere
Read more