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Rex KT103307 take-up bearing insert with 3-7/16" bore, spherical roller bearing, cast iron housing, eccentric cam locking collar, and single lip light contact seal. Designed for use in take-up frames, this insert provides reliable performance in conveyor and tensioning applications.
MODEL 10409287
Contact supplier for technical support on: 800-626-2120
$5,410.60 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Ability to Relubricate
Yes
Adjusting screw clearance hole diameter (in)
1.875 in
Adjusting Screw Clearance Hole Diameter (in)
1.875 in
Adjusting screw square nut seat height (in)
2 7/8 in
Adjusting Screw Square Nut Seat Height (in)
2 7/8 in
Adjustment pad height (in)
5 3/8 in
Adjustment Pad Height (in)
5 3/8 in
Adjustment slot width (in)
1 5/8 in
Adjustment Slot Width (in)
1 5/8 in
Allowable Working Load [2/3 Yield Strength] (lb)
27300 lb
Available end cap
Need EXT EC
Available End Cap
NEED EXT EC
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 to centerline height (in)
6 5/16 in
Base to Centerline Height (in)
6 5/16 in
Bearing Brand
REX ROLLER BEARING
Bolt Size (in)
3.4375 in
Bore length (in)
4 9/16 in
Bore Length (in)
4 9/16 in
Bore size (in)
3.4375 in
Bore Size (in)
3.4375 in
Cage Material
Engineered Polymer
Clearance
C3 STANDARD
Distance from housing cast face to inner ring long hub face (in)
1 9/64 in
Distance from Housing Cast Face to Inner Ring Long Hub Face (in)
1 9/64 in
Distance from housing outside diameter to cast square nut slot face (in)
7 3/8 in
Distance from Housing Outside Diameter to Cast Square Nut Slot Face (in)
7 3/8 in
Fixed vs. Expansion
Fixed
Grease Fitting Thread Size
1/8 NPT
Height
7.88
Housing Cast Face to Outermost Bearing Face (in)
1.14
Housing coating
Powder coated
Housing Coating
POWDER COATED
Housing Color
Black
Housing construction
Solid
Housing Construction
Solid
Housing height (in)
7 13/16 in
Housing Height (in)
7 13/16 in
Housing length (in)
10 in
Housing Length (in)
10 in
Housing material
Cast iron
Housing Material
Cast Iron
Housing Outside Diameter to Cast Square Nut Slot Face (in)
7.38
Housing style
Take-Up Block
Housing Style
Take-Up Block
Housing type
Take Up, Wide Slot
Housing Type
Take Up, Wide Slot
Housing width (in)
3.44
Inner ring hub diameter (in)
3 31/32 in
Inner Ring Hub Diameter (in)
3 31/32 in
Inner Ring Outside Diameter (in)
3.975
Insert
3307U
Length
13.50
Length Through Bore (in)
4.56
Locking collar outside diameter (in)
4 29/32 in
Locking Collar Outside Diameter (in)
4 29/32 in
Locking device kit
SC3307
Locking Device Kit
SC3307
Locking Type
Eccentric
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
1700 rpm
Maximum Temperature (C)
107 C
Maximum Temperature (F)
225 F
Microlock kit
ML4
Microlock Kit
ML4
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Net Weight
40.50
Overall Length (in)
10
Overall width
4.56
Primary seal
BUNA SGL lip light contact
Primary Seal
BUNA SGL LIP LIGHT CONTACT
Radial Dynamic Load Capacity (lb)
84330 lb
Radial Static Load Capacity (lb)
90700 lb
Retainer material
Engineered Polymer
Retainer Material
Engineered Polymer
Rolling element
Spherical Roller
Seal kit
KS10
Seal Kit
KS10
Seal type
Single lip contact seal
Seal Type
Single Lip Contact Seal
Setscrew torque (in-lbs)
460 in/lbs
Setscrew Torque (in-lbs)
460 in/lbs
Size code
10
Size Code
10
Slot Length (in)
1 13/16 in
Slot spacing (in)
6.8125 in
Slot Spacing (in)
6.8125 in
Slot Width (in)
1.81
Unit of dimension
in
Unit of Dimension
IN
Vibration frequency fundamental train
0.0073 cps
Vibration Frequency Fundamental Train
0.0073 cps
Vibration frequency inner ring defect
0.1784 cps
Vibration Frequency Inner Ring Defect
0.1784 cps
Vibration frequency outer ring defect
0.1383 cps
Vibration Frequency Outer Ring Defect
0.1383 cps
Vibration frequency roller spin
0.0628 cps
Vibration Frequency Roller Spin
0.0628 cps
Volume
2.301
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
5.00
3 7/16" Mounted Spherical Roller Bearing, Cast Iron Take-up Block, Eccentric Cam 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.
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