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Inch Tapered Bore Mounting Pillow Block SAF225 and SAF226 Series
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ENGINEERED BEARINGS
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Mounted Bearings
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Mounted SAF Split-Block Spherical Roller Bearings
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Inch Tapered Bore Mounting Pillow Block SAF225 and SAF226 Series
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Part Number SAF 22640-7 1/4
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Part Number SAF 22640-7 1/4, Inch Tapered Bore Mounting Pillow Block SAF225 and SAF226 Series
The basic number for ordering complete pillow block assemblies is listed in the table below.
Each assembly includes the housing cap and base, cap bolts, bearing, bearing adapter, locknut and lockwasher, stabilizing ring, and triple ring seals.
If only the pillow block housing is desired, use the numbers listed in column headed "Housing Only". These units include: cap, base, cap bolts, triple ring seals and stabilizing ring.
All assemblies and housings described on this page constitute fixed open units (FXOP), which are typically stocked items. To create the float open (FLOP) version, order the FXOP version and remove the stabilizing ring from the housing.
If a closed end housing is required, order the FXOP version and order the appropriate end plug separately to create the fixed closed (FXCL) or float closed (FLCL) versions (remove stabilizing ring for FLCL).
In some cases FXCL, FLCL, and FLOP units are stocked, contact Timken Customer Service for details.
Assemblies shown are furnished in cast iron. If cast steel is desired, add the letter "S" to the alpha prefix (e.g., SAFS 22515K).
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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Basic Load Ratings
·
Factors
Specifications
Bearing Number
22340K
Diameter S-1
7.2500
in
A
9.875
in
B
34.25
in
C
9
in
D
4
in
E Max.
29.5
in
E Min.
26.25
in
F
5.5
in
H
20.1875
in
L
12.25
in
Bolt Hole Length
3.125
in
Bolt Hole Width
1.5
in
Adapter Assembly Number
1
SNW-140 x 7-1/4
Housing Only
2
SAF640 x 7-1/4
Stabilizing Ring 1 Req'd
3
SR-0-40
Triple Seal 2 Req’d
LOR 160
Seal Type
Triple Ring Seal
Full Timken Part Number
SAF22640-71/4
1
Includes sleeve, locknut and lockwasher. Add shaft size to order.
2
"Housing Only" includes: cap, base, cap bolts, triple ring seals and stabilizing ring as required. When ordering non-standard housing only specify the shaft size.
3
Stabilizing ring is used for fixed (FX) block; do not use for float (FL) mounting.
Basic Load Ratings
C0 - Static Radial Rating
658000
lbf
2930000
N
C1(2) - Dynamic Radial Rating (Two-Rows)
556000
lbf
2470000
N
Factors
e - ISO Factor
1
0.33
Y0 - ISO Factor
2
1.98
Y1 - ISO Factor
3
2.02
Y2 - ISO Factor
4
3.01
Reference Thermal Speed Rating (Grease)
1000
rpm
Reference Thermal Speed Rating (Oil)
5
1200
rpm
Cg - Geometry Factor
6
0.1034
1
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2
These factors apply for both inch and metric calculations. See engineering
3
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
4
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
5
See thermal speed ratings in the engineering section.
6
Geometry constant for Lubrication Life Adjustment Factor a3l.
VIEW CAD DRAWING
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2D Sales Drawing
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