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Rex KBR2111 2000 series normal duty round flange cartridge bracket for mounted spherical roller bearings, 1-11/16 in (42.86 mm) bore, cast iron housing, single setscrew locking collar, K light contact lip seal. Supports a cartridge block in a 4-bolt round flange configuration.
MODEL 10428705
Contact supplier for technical support on: 800-626-2120
$1,299.84 Each
Prices are subject to change
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Returnable: See conditions
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
Bearing Brand
REX ROLLER BEARING
Bearing housing
FLG CART 4 BLT RND RB
Bearing housing material
Cast iron
Bearing Type
Spherical roller brg
Bolt circle radius (in)
2 9/16 in
Bolt Circle Radius (in)
2 9/16 in
Bolt hole circle diameter (in)
5 1/8 in
Bolt Hole Circle Diameter (in)
5 1/8 in
Bolt Size (in)
1.6875 in
Bore Size (in)
1.6875 in
C dynamic load rating
27820 lb
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Co static load rating
28700 lb
Distance between bolt holes (in)
3 5/8 in
Distance Between Bolt Holes (in)
3 5/8 in
Fixed expansion
Fixed
Fixed vs. Expansion
Fixed
Grease fitting size
1/8 NPT
Grease Fitting Thread Size
1/8 NPT
Height
6.63
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing Construction
Solid
Housing Material
Cast Iron
Housing Style
Flange Block
Housing Type
Flange, Cartridge
Insert
2111U
Length
6.63
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
Max Speed
3100 RPM
Maximum Speed (RPM)
3100 rpm
Mounted clearance
C3 standard
Mounting bolt size (in)
7/16 in
Mounting Bolt Size (in)
7/16 in
Net Weight
8.40
Primary seal
BUNA SGL lip light contact
Primary Seal
BUNA SGL LIP LIGHT CONTACT
Radial Dynamic Load Capacity (lb)
27820 lb
Radial Static Load Capacity (lb)
28700 lb
Retainer Material
Engineered Polymer
Retainer type
Engineered polymer
Series
Flanged Cartridge Blocks
Service instructions
BR3-001 REX 2, 3, 5, 6, 9000
Shaft diameter (in)
1 11/16 in
Shaft locking
Single set collar
Size code
5
Size Code
5
Threaded cover kit
TC5
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
0.713
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
3.75
1 11/16" Mounted Spherical Roller Bearing, Cast Iron 4-Bolt Round Flange Cartridge Block, Single Setscrew Locking Collar, Single Lip Light Contact 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.