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Rex ZFS511578 5000 series heavy duty mounted spherical roller bearing in a square flange expansion housing. Features a 1-15/16 in (49.21 mm) bore, cast iron 4-bolt flange block, double setscrew locking collar, and standard clearance seal with steel retainers.
MODEL 10409982
Contact supplier for technical support on: 800-626-2120
$909.28 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Ability to Relubricate
Yes
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
Bolt circle radius (in)
2 7/8 in
Bolt Circle Radius (in)
2 7/8 in
Bolt hole circle diameter (in)
5 3/4 in
Bolt Hole Circle Diameter (in)
5 3/4 in
Bolt Size (in)
1.9375 in
Bore length (in)
3 13/16 in
Bore Length (in)
3 13/16 in
Bore size (in)
1.9375 in
Bore Size (in)
1.9375 in
Cage Material
Steel
Clearance
C3 STANDARD
Distance between bolt holes (in)
4 1/16 in
Distance Between Bolt Holes (in)
4 1/16 in
Distance from housing cast face to inner ring long hub face (in)
13/32 in
Distance from Housing Cast Face to Inner Ring Long Hub Face (in)
13/32 in
Distance from mounting surface to outer most bearing face (in)
15/32 in
Distance from Mounting Surface to Outer Most Bearing Face (in)
15/32 in
Expansion Capability (in)
0.38
Expansion lock plug
105-95008-27
Expansion Lock Plug
105-95008-27
Fixed vs. Expansion
Expansion
Foot Height (in)
0.63
Grease Fitting Thread Size
1/8 NPT
Height
5.50
Housing Cast Face to Outermost Bearing Face (in)
0.69
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, Four Bolt
Housing Type
Flange, Four Bolt
Housing width (in)
5 5/16 in
Housing Width (in)
5 5/16 in
Inner Ring Outside Diameter (in)
2.307
Insert
5115UR78
Length
5.50
Length Through Bore (in)
3.81
Locking collar outside diameter (in)
2 7/8 in
Locking Collar Outside Diameter (in)
2 7/8 in
Locking device kit
SC6 QTY 2
Locking Device Kit
SC6 QTY 2
Locking Type
Double Set Collar
Lubrication type
EXXON RONEX MP STD
Lubrication Type
EXXON RONEX MP STD
Maximum Speed (RPM)
4050 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 size (in)
1/2 in
Mounting Bolt Size (in)
1/2 in
Mounting pad height (in)
5/8 in
Mounting Pad Height (in)
5/8 in
Net Weight
12.80
Overall Length (in)
5.31
Overall width
5.31
Primary seal
Steel clearance seal
Primary Seal
STEEL CLEARANCE SEAL
Radial Dynamic Load Capacity (lb)
28890 lb
Radial Static Load Capacity (lb)
33200 lb
Retainer material
Steel
Retainer Material
Steel
Rolling element
Spherical Roller
Seal kit
ZS6
Seal Kit
ZS6
Seal type
Labyrinth Seal
Seal Type
Labyrinth Seal
Setscrew torque (in-lbs)
325 in/lbs
Setscrew Torque (in-lbs)
325 in/lbs
Size code
6
Size Code
6
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
0.1617 cps
Vibration Frequency Inner Ring Defect
0.1617 cps
Vibration frequency outer ring defect
0.1217 cps
Vibration Frequency Outer Ring Defect
0.1217 cps
Vibration frequency roller spin
0.0559 cps
Vibration Frequency Roller Spin
0.0559 cps
Volume
0.54
Volume unit
GLL
Volume Unit
GLL
Weight unit
LB
Width
4.13
1 15/16" Mounted Spherical Roller Bearing, Expansion Cast Iron 4-Bolt Square Flange Block, Double Setscrew Locking Collar, Clearance Seal, Steel Retainers
SKU: 495479
Good orice
This stump grinder wheel bearing is expensive and I need two each time I change them. Best price I found anywhere and free shipping here at MRO Supply
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.
| Brand | MROSupply Fasteners |
| Model | FSTPCK-400002 |
| Brand | PEER Bearing |
| Model | FHSFD205-25MM |
SKU: 495479
Good orice
This stump grinder wheel bearing is expensive and I need two each time I change them. Best price I found anywhere and free shipping here at MRO Supply
Read more