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All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted SAF Split-Block Spherical Roller Bearings > Inch Tapered Bore Mounting Pillow Block SDAF231K and SDAF232K Series > Part Number SDAF 23180K 15  
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Part Number SDAF 23180K 15, Inch Tapered Bore Mounting Pillow Block SDAF231K and SDAF232K Series



  • Each assembly includes the housing cap and base, cap bolts, bearing, bearing adapter, locknut and lockwasher, 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 23152K).

When ordering non-standard pillow block assemblies specify the shaft size.




Unit of Measure: Imperial Metric Both

Specifications  · Basic Load Ratings  · Factors

Specifications

Bearing Number

23180K

Diameter S-1

15.0000 in

A

15.5 in

B

48.75 in

C

18.75 in

D

5.5 in

E Max.

43.5 in

E Min.

41.75 in

F

12.25 in

H

30.5 in

L

19.25 in

Bolt Hole Length

3.125 in

Bolt Hole Width

2.25 in

Adapter Assembly Number1

SNP-3180 x 15

Housing Only2

SDAF3180K x 15

Stabilizing Ring 1 Req'd3

A8979

Triple Seal Req'd

ER 847-1

Full Timken Part Number

SDAF23180K15
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

1820000 lbf
8110000
N

C1(2) - Dynamic Radial Rating (Two-Rows)

1070000 lbf
4770000
N


Factors

e - ISO Factor1

0.29

Y0 - ISO Factor2

2.27

Y1 - ISO Factor3

2.32

Y2 - ISO Factor4

3.46

Reference Thermal Speed Rating (Grease)

480 rpm

Reference Thermal Speed Rating (Oil)5

530 rpm

Cg - Geometry Factor6

0.0922
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.



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