3D CAD and 2D Drawings

Find and download 3D CAD and 2D drawings for key Timken products.

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  • 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 22220).

Note: Speed ratings are found in dimension tables in the spherical roller bearing section.
Unit of Measure


Bearing Number

N/A 22230

Diameter S-2

N/A 6 5/8 in

Diameter S-3

N/A 5 3/4 in


N/A 6.3125 in


N/A 21.2500 in


N/A 7.8750 in


N/A 2.50 in

E Max.

N/A 18.2500 in

E Min.

N/A 17.0000 in


N/A 4.75 in
H1 N/A 12.8125 in

Oil Level K

N/A 2.1875 in
L2 N/A 8.375 in


N/A 2.5781 in

No. of Base Bolts Required

N/A 4

Bolt Hole Length

N/A 1.75 in

Bolt Hole Width

N/A 1.125 in

Size of Base Bolts Required

N/A 1.125 in


N/A AN30


N/A W30
Housing Only3 N/A SDAF230
Stabilizing Ring 1 Req’d4 N/A SR-30-0

Triple Seal 2 Req’d at S-2

N/A LOR151

Triple Seal 2 Req’d at S-3

N/A LOR134

Assembly Weight

N/A 201.000 lb

Full Timken Part Number

N/A SDAF22230
  • 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.
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