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Inch Straight Bore Mounting Pillow Block SDAF231 and SDAF232 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 Straight Bore Mounting Pillow Block SDAF231 and SDAF232 Series
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Part Number SDAF 23152
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Part Number SDAF 23152, Inch Straight Bore Mounting Pillow Block SDAF231 and SDAF232 Series
Each assembly includes the housing cap and base, cap bolts, bearing, locknut and washer, stabilizing ring and triple ring seals.
To order pillow block housing only, use the numbers listed in the "Housing Only" column. These units include: cap, base, cap bolts, triple ring seals, and stabilizing ring.
Assembly and pillow blocks described on this page constitute fixed units.
To order float units, specify part number plus suffix "Float" or "FL".
If one end closed assembly is required, specify “CL” in assembly number when ordering.
All assemblies shown are furnished in cast iron. If cast steel is desired, add the letter "S" to the alpha prefix (e.g., SDAFS 23152).
For fixed applications, both stabilizing rings must be used. Do not use stabilizing rings for “Float” mounting.
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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Basic Load Ratings
·
Factors
Specifications
Bearing Number
23152
Diameter S-2
11 1/2
in
Diameter S-3
9 15/16
in
A
10.25
in
B
35
in
C
13.125
in
D
3.75
in
E Max.
30.5
in
E Min.
29
in
F
8.75
in
H
1
20.875
in
Oil Level K
3.375
in
L
2
14.25
in
No. of Base Bolts Required
4
Size of Base Bolts Required
1 5/8
Bolt Hole Length
2.375
in
Bolt Hole Width
1.625
in
Locknut
NO52
Lockplate
P52
Housing Only
3
SDAF3152
Stabilizing Ring 1 Req'd
4
A5679
Triple Seal 2 Req’d at S-2
ER832-1
Triple Seal 2 Req’d at S-3
ER751-1
Full Timken Part Number
SDAF23152
1
Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
2
Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
3
"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.
4
Stabilizing ring is used for fixed (FX) block; do not use for float (FL) mounting.
Basic Load Ratings
C0 - Static Radial Rating
885000
lbf
3930000
N
C1(2) - Dynamic Radial Rating (Two-Rows)
603000
lbf
2680000
N
Factors
e - ISO Factor
1
0.3
Y0 - ISO Factor
2
2.18
Y1 - ISO Factor
3
2.23
Y2 - ISO Factor
4
3.31
Reference Thermal Speed Rating (Grease)
830
rpm
Reference Thermal Speed Rating (Oil)
5
930
rpm
Cg - Geometry Factor
6
0.1162
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 Front View
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2D Top View
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2D Sales Drawing
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