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All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted SAF Split-Block Spherical Roller Bearings > Inch Tapered Bore Mounting Pillow Block SAF230K and SDAF230K Series > Part Number SAF 23026K 4-1/2  
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Part Number SAF 23026K 4-1/2, Inch Tapered Bore Mounting Pillow Block SAF230K and SDAF230K Series


  • 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 is desired, use the numbers listed in column "Housing Only" column. These units include: cap, base, cap bolts, triple ring seals and stabilizing ring.
  • Assembly and pillow blocks as 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., SAFS 23024).
  • Please note that for applications SAF23048 and larger, the shaft size must be included in the part description when ordering (e.g., SAF23048-8 15/16).

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
23026K

Diameter S-1
4.5000 in

A
4.9375 in

B
16.5 in

C
4.75 in

D
2 in

E Max.
14.5 in

E Min.
12.625 in

F
2.75 in

H
9.5625 in

L
6.3750 in

Bolt Hole Length
1.6875 in

Bolt Hole Width
0.75 in

No. of Base Bolts Required
4

Adapter Assembly Number1
SNW-3026 x 4-1/2

Housing Only2
SAF026K x 4-1/2

Stabilizing Ring 1 Req'd3
SR-22-19

Triple Seal Req'd
LOR 118

Seal Type
Triple Ring Seal

Full Timken Part Number
SAF23026K4-1/2
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
162000 lbf
723000 N

C1(2) - Dynamic Radial Rating (Two-Rows)
116000 lbf
518000 N


Factors

e - ISO Factor1
0.23

Y0 - ISO Factor2
2.87

Y1 - ISO Factor3
2.94

Y2 - ISO Factor4
4.37

Reference Thermal Speed Rating (Grease)
2500 rpm

Reference Thermal Speed Rating (Oil)5
3100 rpm

Cg - Geometry Factor6
0.078
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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