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  • timken-SAF-pillow-block-mounted-spherical-roller-bearing-unit-4-bolt-with-4-cap-bolts
  • Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series
  • 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.
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Diameter S-2 (in)

Diameter S-3 (in)

Total Width (in)

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

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

Part Number

Bearing Number

Diameter S-2

Diameter S-3

Total Width

Locknut

Lockwasher

Housing Only

C0 - Static Radial Rating

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

CAD

N/A 22317 N/A 3 15/16 in N/A 3 3/16 in N/A 6.75 in N/A AN17 N/A W17 N/A SDAF317 N/A 131000 lbf584000 N N/A 122000 lbf543000 N N/A CAD
N/A 22318 N/A 4 1/8 in N/A 3.3750 in N/A 6.8750 in N/A AN18 N/A W18 N/A SDAF318 N/A 148000 lbf659000 N N/A 136000 lbf606000 N N/A CAD
N/A 22220 N/A 4 1/2 in N/A 3.8125 in N/A 6.75 in N/A AN20 N/A W20 N/A SDAF220 N/A 113000 lbf502000 N N/A 97700 lbf435000 N N/A CAD
N/A 22320 N/A 4 1/2 in N/A 3.8125 in N/A 7.625 in N/A AN20 N/A W20 N/A SDAF320 N/A 205000 lbf910000 N N/A 181000 lbf804000 N N/A CAD
N/A 22222 N/A 4 7/8 in N/A 4.1875 in N/A 7.2500 in N/A AN22 N/A W22 N/A SDAF222 N/A 147000 lbf653000 N N/A 125000 lbf555000 N N/A CAD
N/A 22322 N/A 4 7/8 in N/A 4.1875 in N/A 8 in N/A AN22 N/A W22 N/A SDAF322 N/A 236000 lbf1050000 N N/A 213000 lbf949000 N N/A CAD
N/A 22224 N/A 5 5/16 in N/A 4 9/16 in N/A 7.375 in N/A AN24 N/A W24 N/A SDAF224 N/A 174000 lbf772000 N N/A 145000 lbf647000 N N/A CAD
N/A 22324 N/A 5 5/16 in N/A 4 9/16 in N/A 8.3750 in N/A AN24 N/A W24 N/A SDAF324 N/A 272000 lbf1210000 N N/A 244000 lbf1080000 N N/A CAD
N/A 22226 N/A 5 7/8 in N/A 4 15/16 in N/A 8 in N/A AN26 N/A W26 N/A SDAF226 N/A 212000 lbf945000 N N/A 170000 lbf757000 N N/A CAD
N/A 22326 N/A 5 7/8 in N/A 4 15/16 in N/A 8.75 in N/A AN26 N/A W26 N/A SDAF326 N/A 318000 lbf1410000 N N/A 281000 lbf1250000 N N/A CAD
N/A 22228 N/A 6 1/4 in N/A 5 5/16 in N/A 7.813 in N/A AN28 N/A W28 N/A SDAF228 N/A 237000 lbf1060000 N N/A 194000 lbf863000 N N/A CAD
N/A 22328 N/A 6 1/4 in N/A 5 5/16 in N/A 9.625 in N/A AN28 N/A W28 N/A SDAF328 N/A 375000 lbf1670000 N N/A 326000 lbf1450000 N N/A CAD
N/A 22230 N/A 6 5/8 in N/A 5.7500 in N/A 8.3750 in N/A AN30 N/A W30 N/A SDAF230 N/A 276000 lbf1230000 N N/A 225000 lbf1000000 N N/A CAD
N/A 22330 N/A 6 5/8 in N/A 5.7500 in N/A 9.7500 in N/A AN30 N/A W30 N/A SDAF330 N/A 424000 lbf1890000 N N/A 365000 lbf1620000 N N/A CAD
N/A 22232 N/A 7 in N/A 6.0625 in N/A 8.75 in N/A AN32 N/A W32 N/A SDAF232 N/A 309000 lbf1370000 N N/A 253000 lbf1120000 N N/A CAD
N/A 22332 N/A 7 in N/A 6.0625 in N/A 10.625 in N/A AN32 N/A W32 N/A SDAF332 N/A 475000 lbf2110000 N N/A 405000 lbf1800000 N N/A CAD
N/A 22234 N/A 7 7/16 in N/A 6 7/16 in N/A 9.3750 in N/A AN34 N/A W34 N/A SDAF234 N/A 359000 lbf1590000 N N/A 290000 lbf1290000 N N/A CAD
N/A 22334 N/A 7 7/16 in N/A 6 7/16 in N/A 11.125 in N/A AN34 N/A W34 N/A SDAF334 N/A 530000 lbf2360000 N N/A 450000 lbf2000000 N N/A CAD
N/A 22236 N/A 7 13/16 in N/A 6.8750 in N/A 10 in N/A AN36 N/A W36 N/A SDAF236 N/A 382000 lbf1700000 N N/A 301000 lbf1340000 N N/A CAD
N/A 22336 N/A 7 13/16 in N/A 6.8750 in N/A 11.375 in N/A AN36 N/A W36 N/A SDAF336 N/A 584000 lbf2600000 N N/A 491000 lbf2190000 N N/A CAD
N/A 22238 N/A 8 3/8 in N/A 7.2500 in N/A 10.375 in N/A AN38 N/A W38 N/A SDAF238 N/A 440000 lbf1960000 N N/A 348000 lbf1550000 N N/A CAD
N/A 22338 N/A 8 3/8 in N/A 7.2500 in N/A 11.813 in N/A AN38 N/A W38 N/A SDAF338 N/A 635000 lbf2830000 N N/A 534000 lbf2380000 N N/A CAD
N/A 22240 N/A 8 3/4 in N/A 7.6250 in N/A 11.125 in N/A AN40 N/A W40 N/A SDAF240 N/A 452000 lbf2010000 N N/A 356000 lbf1580000 N N/A CAD
N/A 22340 N/A 8 3/4 in N/A 7.6250 in N/A 12.25 in N/A AN40 N/A W40 N/A SDAF340 N/A 658000 lbf2930000 N N/A 556000 lbf2470000 N N/A CAD
N/A 22244 N/A 9 9/16 in N/A 8 5/16 in N/A 11.875 in N/A AN44 N/A W44 N/A SDAF244 N/A 520000 lbf2310000 N N/A 415000 lbf1850000 N N/A CAD
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