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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 23168K 12-7/16  
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Part Number SDAF 23168K 12-7/16, 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
23168K

Diameter S-1
12 7/16 in

A
14 in

B
43.75 in

C
17.75 in

D
5 in

E Max.
38.25 in

E Min.
36.75 in

F
10.75 in

H
27.875 in

L
18.25 in

Bolt Hole Length
2.75 in

Bolt Hole Width
2 in

Adapter Assembly Number1
SNP-3168 x 12-7/16

Housing Only2
SDAF3168K x 12-7/16

Stabilizing Ring 1 Req'd3
A8977

Triple Seal Req'd
ER 865-1

Full Timken Part Number
SDAF23168K12-7/16
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
1540000 lbf
6850000 N

C1(2) - Dynamic Radial Rating (Two-Rows)
1010000 lbf
4500000 N


Factors

e - ISO Factor1
0.3

Y0 - ISO Factor2
2.17

Y1 - ISO Factor3
2.22

Y2 - ISO Factor4
3.3

Reference Thermal Speed Rating (Grease)
570 rpm

Reference Thermal Speed Rating (Oil)5
630 rpm

Cg - Geometry Factor6
0.1383
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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