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Rexnord KA2100 is a 2000 series normal duty mounted spherical roller bearing in a cast iron fixed 2-bolt pillow block housing. It features a 1" bore with single setscrew locking collar and a single lip light contact seal (K-seal). The bearing is self-aligning and suitable for moderate load applications.
MODEL 10406155
Contact supplier for technical support on: 800-626-2120
$276.36 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Ability to Relubricate
Yes
Available end cap
DTC2
Available End Cap
DTC2
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
Base Length (in)
5.88
Base to centerline height (in)
1 9/16 in
Base to Centerline Height (in)
1 9/16 in
Base Width (in)
2
Bearing Brand
REX ROLLER BEARING
Bolt Size (in)
1 in
Bore length (in)
2 9/16 in
Bore Length (in)
2 9/16 in
Bore size (in)
1 in
Bore Size (in)
1 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance between bolt holes (in)
4 3/8 in
Distance Between Bolt Holes (in)
4 3/8 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
Fixed vs. Expansion
Fixed
Foot Height (in)
0.75
Grease Fitting Thread Size
1/8 NPT
Height
2.25
Housing Cast Face to Outermost Bearing Face (in)
0.56
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing Color
Black
Housing construction
Solid
Housing Construction
Solid
Housing material
Cast iron
Housing Material
Cast Iron
Housing style
Pillow block
Housing Style
Pillow Block
Housing type
Pillow Block, Two Bolt
Housing Type
Pillow Block, Two Bolt
Inner ring hub diameter (in)
1 5/16 in
Inner Ring Hub Diameter (in)
1 5/16 in
Inner Ring Outside Diameter (in)
1.307
Insert
2100U
Length
5.75
Length Through Bore (in)
2.56
Locking collar outside diameter (in)
1 3/4 in
Locking Collar Outside Diameter (in)
1 3/4 in
Locking device kit
SC2
Locking Device Kit
SC2
Locking Type
Single Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
4500 rpm
Maximum Temperature (C)
107 C
Maximum Temperature (F)
225 F
Microlock kit
ML2
Microlock Kit
ML2
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Mounting bolt hole slot length (in)
7/8 in
Mounting Bolt Hole Slot Length (in)
7/8 in
Mounting bolt size (in)
1/2 in
Mounting Bolt Size (in)
1/2 in
Mounting pad height (in)
3/4 in
Mounting Pad Height (in)
3/4 in
Mounting pad length (in)
5 7/8 in
Mounting Pad Length (in)
5 7/8 in
Mounting pad width (in)
2 in
Mounting Pad Width (in)
2 in
Net Weight
4.20
Overall Length (in)
5.88
Overall width
2.56
Primary seal
BUNA SGL lip light contact
Primary Seal
BUNA SGL LIP LIGHT CONTACT
Radial Dynamic Load Capacity (lb)
15320 lb
Radial Static Load Capacity (lb)
14900 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Rolling element
Spherical Roller
Seal kit
KS2
Seal Kit
KS2
Seal type
Single lip contact seal
Seal Type
Single Lip Contact Seal
Series
Solid-housed Pillow Blocks
Setscrew torque (in-lbs)
185 in/lbs
Setscrew Torque (in-lbs)
185 in/lbs
Size code
2
Size Code
2
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
0.1286 cps
Vibration Frequency Inner Ring Defect
0.1286 cps
Vibration frequency outer ring defect
0.0880 cps
Vibration Frequency Outer Ring Defect
0.0880 cps
Vibration frequency roller spin
0.0406 cps
Vibration Frequency Roller Spin
0.0406 cps
Volume
0.322
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
5.75
1" Mounted Spherical Roller Bearing, Cast Iron Fixed 2-Bolt Pillow 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.
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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