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Rex KAFS5215F is a 5000 series heavy duty mounted spherical roller bearing with a 2-15/16 in (74.61 mm) bore. It features an expansion cast iron 4-bolt pillow block housing, double setscrew locking collar, and single lip light contact K-seal. Suitable for high-load applications requiring shaft expansion accommodation.
MODEL 10407708
Contact supplier for technical support on: 800-626-2120
$634.49 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
DTC9
Available End Cap
DTC9
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)
12.59
Base to centerline height (in)
3 3/4 in
Base to Centerline Height (in)
3 3/4 in
Base Width (in)
3.5
Bearing Brand
REX ROLLER BEARING
Bolt Hole Spacing [Width] (in)
2 1/8 in
Bolt Size (in)
2.9375 in
Bore length (in)
4 7/8 in
Bore Length (in)
4 7/8 in
Bore size (in)
2.9375 in
Bore Size (in)
2.9375 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance Between Bolt Holes [Max] (in)
11 in
Distance Between Bolt Holes [Min] (in)
9 7/8 in
Distance from housing cast face to inner ring long hub face (in)
7/8 in
Distance from Housing Cast Face to Inner Ring Long Hub Face (in)
7/8 in
Expansion Capability (in)
0.5
Expansion lock plug
105-95008-12
Expansion Lock Plug
105-95008-12
Fixed vs. Expansion
Expansion
Foot Height (in)
1.25
Grease Fitting Thread Size
1/8 NPT
Height
7.88
Housing Cast Face to Outermost Bearing Face (in)
0.88
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, Four Bolt, SAF Style
Housing Type
Pillow Block, Four Bolt, SAF Style
Inner Ring Outside Diameter (in)
3.37
Insert
5215U
Length
13.50
Length Through Bore (in)
4.88
Locking collar outside diameter (in)
4 1/16 in
Locking Collar Outside Diameter (in)
4 1/16 in
Locking device kit
SC9 QTY 2
Locking Device Kit
SC9 QTY 2
Locking Type
Double Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Max distance between bolt holes (in)
11 in
Maximum Speed (RPM)
1900 rpm
Maximum Temperature (C)
107 C
Maximum Temperature (F)
225 F
Microlock kit
ML3
Microlock Kit
ML3
Min distance between bolt holes (in)
9 7/8 in
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Mounting bolt hole slot length (in)
1 1/4 in
Mounting Bolt Hole Slot Length (in)
1 1/4 in
Mounting bolt size (in)
5/8 in
Mounting Bolt Size (in)
5/8 in
Mounting pad height (in)
1 1/4 in
Mounting Pad Height (in)
1 1/4 in
Mounting pad length (in)
12.590 in
Mounting Pad Length (in)
12.590 in
Mounting pad width (in)
3 1/2 in
Mounting Pad Width (in)
3 1/2 in
Net Weight
45.50
Overall Length (in)
12.59
Overall width
4.88
Primary seal
BUNA SGL lip light contact
Primary Seal
BUNA SGL LIP LIGHT CONTACT
Radial Dynamic Load Capacity (lb)
57750 lb
Radial Static Load Capacity (lb)
71500 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Rolling element
Spherical Roller
Seal kit
KS9
Seal Kit
KS9
Seal type
Single lip contact seal
Seal Type
Single Lip Contact Seal
Series
Solid-housed Pillow Blocks
Setscrew torque (in-lbs)
680 in/lbs
Setscrew Torque (in-lbs)
680 in/lbs
Size code
9
Size Code
9
Unit of dimension
in
Unit of Dimension
IN
Vibration frequency fundamental train
0.0072 cps
Vibration Frequency Fundamental Train
0.0072 cps
Vibration frequency inner ring defect
0.1701 cps
Vibration Frequency Inner Ring Defect
0.1701 cps
Vibration frequency outer ring defect
0.1299 cps
Vibration Frequency Outer Ring Defect
0.1299 cps
Vibration frequency roller spin
0.0591 cps
Vibration Frequency Roller Spin
0.0591 cps
Volume
2.301
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
5.00
2 15/16" Mounted Spherical Roller Bearing, Expansion Cast Iron 4-Bolt Pillow Block, Double Setscrew Locking Collar, Single Lip Light 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.
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SKU: 1303956
Great service-fast shipping
Awesome service. I would highly recommend doing business with MRO! Price was cheapest anywhere
Read more