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  • 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

Specifications

Bearing Number

N/A 23248K

Diameter S-1

N/A 8 15/16 in

A

N/A 10.25 in

B

N/A 35 in

C

N/A 13.125 in

D

N/A 3.75 in

E Max.

N/A 30.5 in

E Min.

N/A 29 in

F

N/A 8.75 in

H

N/A 20.875 in

L

N/A 13.75 in

Bolt Hole Length

N/A 2.375 in

Bolt Hole Width

N/A 1.625 in
Adapter Assembly Number1 N/A SNP-148 x 8-15/16
Housing Only2 N/A SDAF3248K x 8-15/16
Stabilizing Ring 1 Req'd3 N/A A5679

Triple Seal Req'd

N/A ER 914

Full Timken Part Number

N/A SDAF23248K8-15/16

Basic Load Ratings

C0 - Static Radial Rating

N/A 935000 lbf4160000 N

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

N/A 685000 lbf3050000 N

Factors

e - ISO Factor4 N/A 0.35
Y0 - ISO Factor5 N/A 1.88
Y1 - ISO Factor6 N/A 1.92
Y2 - ISO Factor7 N/A 2.86

Reference Thermal Speed Rating (Grease)

N/A 720 rpm
Reference Thermal Speed Rating (Oil)8 N/A 790 rpm
Cg - Geometry Factor9 N/A 0.1115
  • 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.
  • 4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 5 These factors apply for both inch and metric calculations. See engineering
  • 6 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 8 See thermal speed ratings in the engineering section.
  • 9 Geometry constant for Lubrication Life Adjustment Factor a3l.
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