Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.com
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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 number listed in the "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.
  • Assemblies shown are furnished in cast iron. If cast steel is desired, add the letter "S" to the alpha prefix (e.g., SDAFS 22515).

When ordering non-standard pillow block assemblies specify the shaft size.
timken-SAF-pillow-block-mounted-spherical-roller-bearing-unit-4-bolt-with-4-cap-bolts
Inch Tapered Bore Mounting Pillow Block SDAF225 and SDAF226 Series
Unit of Measure
1 2 

Part Number

Bearing Number

Diameter S-1

Total Width

Adapter Assembly Number

Housing Only

Stabilizing Ring 1 Req'd

Triple Seal Req'd

C0 - Static Radial Rating

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

CAD

SDAF 22617 2-7/8 N/A 22317K N/A 2.8750 in N/A 6.75 in N/A SNW-117 x 2-7/8 N/A SDAF617 x 2-7/8 N/A SR-20-17 N/A LOR 58 N/A 131000 lbf584000 N N/A 122000 lbf543000 N N/A CAD Icon (for items table)
SDAF 22617 N/A 22317K N/A 2 15/16 in N/A 6.75 in N/A SNW-117 x 2-15/16 N/A SDAF617 N/A SR-20-17 N/A LOR 59 N/A 131000 lbf584000 N N/A 122000 lbf543000 N N/A CAD Icon (for items table)
SDAF 22617 3 N/A 22317K N/A 3 in N/A 6.75 in N/A SNW-117 x 3 N/A SDAF617 x 3 N/A SR-20-17 N/A LOR 60 N/A 131000 lbf584000 N N/A 122000 lbf543000 N N/A CAD Icon (for items table)
SDAF 22618 3-1/16 N/A 22318K N/A 3.0625 in N/A 6.8750 in N/A SNW-118 x 3-1/16 N/A SDAF618 x 3-1/16 N/A SR-21-18 N/A LOR 67 N/A 148000 lbf659000 N N/A 136000 lbf606000 N N/A CAD Icon (for items table)
SDAF 22618 3-1/8 N/A 22318K N/A 3.1250 in N/A 6.8750 in N/A SNW-118 x 3-1/8 N/A SDAF618 x 3-1/8 N/A SR-21-18 N/A LOR 68 N/A 148000 lbf659000 N N/A 136000 lbf606000 N N/A CAD Icon (for items table)
SDAF 22618 N/A 22318K N/A 3 3/16 in N/A 6.8750 in N/A SNW-118 x 3-3/16 N/A SDAF618 N/A SR-21-18 N/A LOR 69 N/A 148000 lbf659000 N N/A 136000 lbf606000 N N/A CAD Icon (for items table)
SDAF 22618 3-1/4 N/A 22318K N/A 3 1/4 in N/A 6.8750 in N/A SNW-118 x 3-1/4 N/A SDAF618 x 3-1/4 N/A SR-21-18 N/A LOR 70 N/A 148000 lbf659000 N N/A 136000 lbf606000 N N/A CAD Icon (for items table)
SDAF 22620 3-5/16 N/A 22320K N/A 3.3125 in N/A 7.375 in N/A SNW-120 x 3-5/16 N/A SDAF620 x 3-5/16 N/A SR-24-20 N/A LOR 73 N/A 205000 lbf910000 N N/A 181000 lbf804000 N N/A CAD Icon (for items table)
SDAF 22520 3-3/8 N/A 22220K N/A 3.3750 in N/A 6.75 in N/A SNW-20 x 3-3/8 N/A SDAF520 x 3-3/8 N/A SR-20-17 N/A LOR 74 N/A 113000 lbf502000 N N/A 97700 lbf435000 N N/A CAD Icon (for items table)
SDAF 22620 3-3/8 N/A 22320K N/A 3.3750 in N/A 7.375 in N/A SNW-120 x 3-3/8 N/A SDAF620 x 3-3/8 N/A SR-24-20 N/A LOR 74 N/A 205000 lbf910000 N N/A 181000 lbf804000 N N/A CAD Icon (for items table)
SDAF 22520 N/A 22220K N/A 3 7/16 in N/A 6.75 in N/A SNW-20 x 3-7/16 N/A SDAF520 N/A SR-20-17 N/A LOR 75 N/A 113000 lbf502000 N N/A 97700 lbf435000 N N/A CAD Icon (for items table)
SDAF 22620 N/A 22320K N/A 3 7/16 in N/A 7.375 in N/A SNW-120 x 3-7/16 N/A SDAF620 N/A SR-24-20 N/A LOR 75 N/A 205000 lbf910000 N N/A 181000 lbf804000 N N/A CAD Icon (for items table)
SDAF 22520 3-1/2 N/A 22220K N/A 3 1/2 in N/A 6.75 in N/A SNW-20 x 3-1/2 N/A SDAF520 x 3-1/2 N/A SR-20-17 N/A LOR 76 N/A 113000 lbf502000 N N/A 97700 lbf435000 N N/A CAD Icon (for items table)
SDAF 22620 3-1/2 N/A 22320K N/A 3 1/2 in N/A 7.375 in N/A SNW-120 x 3-1/2 N/A SDAF620 x 3-1/2 N/A SR-24-20 N/A LOR 76 N/A 205000 lbf910000 N N/A 181000 lbf804000 N N/A CAD Icon (for items table)
SDAF 22522 3-13/16 N/A 22222K N/A 3.8125 in N/A 7.2500 in N/A SNW-22 x 3-13/16 N/A SDAF522 x 3-13/16 N/A SR-22-19 N/A LOR 91 N/A 147000 lbf653000 N N/A 125000 lbf555000 N N/A CAD Icon (for items table)
SDAF 22622 3-13/16 N/A 22322K N/A 3.8125 in N/A 8 in N/A SNW-122 x 3-13/16 N/A SDAF622 x 3-13/16 N/A SR-0-22 N/A LOR 91 N/A 236000 lbf1050000 N N/A 213000 lbf949000 N N/A CAD Icon (for items table)
SDAF 22522 3-7/8 N/A 22222K N/A 3.8750 in N/A 7.2500 in N/A SNW-22 x 3-7/8 N/A SDAF522 x 3-7/8 N/A SR-22-19 N/A LOR 92 N/A 147000 lbf653000 N N/A 125000 lbf555000 N N/A CAD Icon (for items table)
SDAF 22622 3-7/8 N/A 22322K N/A 3.8750 in N/A 8 in N/A SNW-122 x 3-7/8 N/A SDAF622 x 3-7/8 N/A SR-0-22 N/A LOR 92 N/A 236000 lbf1050000 N N/A 213000 lbf949000 N N/A CAD Icon (for items table)
SDAF 22522 N/A 22222K N/A 3 15/16 in N/A 7.2500 in N/A SNW-22 x 3-15/16 N/A SDAF522 N/A SR-22-19 N/A LOR 93 N/A 147000 lbf653000 N N/A 125000 lbf555000 N N/A CAD Icon (for items table)
SDAF 22622 N/A 22322K N/A 3 15/16 in N/A 8 in N/A SNW-122 x 3-15/16 N/A SDAF622 N/A SR-0-22 N/A LOR 93 N/A 236000 lbf1050000 N N/A 213000 lbf949000 N N/A CAD Icon (for items table)
SDAF 22522 4 N/A 22222K N/A 4 in N/A 7.2500 in N/A SNW-22 x 4 N/A SDAF522 x 4 N/A SR-22-19 N/A LOR 94 N/A 147000 lbf653000 N N/A 125000 lbf555000 N N/A CAD Icon (for items table)
SDAF 22622 4 N/A 22322K N/A 4 in N/A 8 in N/A SNW-122 x 4 N/A SDAF622 x 4 N/A SR-0-22 N/A LOR 94 N/A 236000 lbf1050000 N N/A 213000 lbf949000 N N/A CAD Icon (for items table)
SDAF 22524 4-1/16 N/A 22224K N/A 4.0625 in N/A 7.375 in N/A SNW-24 x 4-1/16 N/A SDAF524 x 4-1/16 N/A SR-24-20 N/A LOR 111 N/A 174000 lbf772000 N N/A 145000 lbf647000 N N/A CAD Icon (for items table)
SDAF 22624 4-1/16 N/A 22324K N/A 4.0625 in N/A 8.3750 in N/A SNW-124 x 4-1/16 N/A SDAF624 x 4-1/16 N/A SR-0-24 N/A LOR 111 N/A 272000 lbf1210000 N N/A 244000 lbf1080000 N N/A CAD Icon (for items table)
SDAF 22524 4-1/8 N/A 22224K N/A 4.1250 in N/A 7.375 in N/A SNW-24 x 4-1/8 N/A SDAF524 x 4-1/8 N/A SR-24-20 N/A LOR 112 N/A 174000 lbf772000 N N/A 145000 lbf647000 N N/A CAD Icon (for items table)
SDAF 22624 4-1/8 N/A 22324K N/A 4.1250 in N/A 8.3750 in N/A SNW-124 x 4-1/8 N/A SDAF624 x 4-1/8 N/A SR-0-24 N/A LOR 112 N/A 272000 lbf1210000 N N/A 244000 lbf1080000 N N/A CAD Icon (for items table)
SDAF 22524 N/A 22224K N/A 4 3/16 in N/A 7.375 in N/A SNW-24 x 4-3/16 N/A SDAF524 N/A SR-24-20 N/A LOR 113 N/A 174000 lbf772000 N N/A 145000 lbf647000 N N/A CAD Icon (for items table)
SDAF 22624 N/A 22324K N/A 4 3/16 in N/A 8.3750 in N/A SNW-124 x 4-3/16 N/A SDAF624 N/A SR-0-24 N/A LOR 113 N/A 272000 lbf1210000 N N/A 244000 lbf1080000 N N/A CAD Icon (for items table)
SDAF 22524 4-1/4 N/A 22224K N/A 4 1/4 in N/A 7.375 in N/A SNW-24 x 4-1/4 N/A SDAF524 x 4-1/4 N/A SR-24-20 N/A LOR 114 N/A 174000 lbf772000 N N/A 145000 lbf647000 N N/A CAD Icon (for items table)
SDAF 22624 4-1/4 N/A 22324K N/A 4 1/4 in N/A 8.3750 in N/A SNW-124 x 4-1/4 N/A SDAF624 x 4-1/4 N/A SR-0-24 N/A LOR 114 N/A 272000 lbf1210000 N N/A 244000 lbf1080000 N N/A CAD Icon (for items table)
SDAF 22526 4-5/16 N/A 22226K N/A 4.3125 in N/A 8 in N/A SNW-26 x 4-5/16 N/A SDAF526 x 4-5/16 N/A SR-26-0 N/A LOR 115 N/A 212000 lbf945000 N N/A 170000 lbf757000 N N/A CAD Icon (for items table)
SDAF 22626 4-5/16 N/A 22326K N/A 4.3125 in N/A 8.75 in N/A SNW-126 x 4-5/16 N/A SDAF626 x 4-5/16 N/A SR-0-26 N/A LOR 115 N/A 318000 lbf1410000 N N/A 281000 lbf1250000 N N/A CAD Icon (for items table)
SDAF 22526 4-3/8 N/A 22226K N/A 4.3750 in N/A 8 in N/A SNW-26 x 4-3/8 N/A SDAF526 x 4-3/8 N/A SR-26-0 N/A LOR 116 N/A 212000 lbf945000 N N/A 170000 lbf757000 N N/A CAD Icon (for items table)
SDAF 22626 4-3/8 N/A 22326K N/A 4.3750 in N/A 8.75 in N/A SNW-126 x 4-3/8 N/A SDAF626 x 4-3/8 N/A SR-0-26 N/A LOR 116 N/A 318000 lbf1410000 N N/A 281000 lbf1250000 N N/A CAD Icon (for items table)
SDAF 22526 N/A 22226K N/A 4 7/16 in N/A 8 in N/A SNW-26 x 4-7/16 N/A SDAF526 N/A SR-26-0 N/A LOR 117 N/A 212000 lbf945000 N N/A 170000 lbf757000 N N/A CAD Icon (for items table)
SDAF 22626 N/A 22326K N/A 4 7/16 in N/A 8.75 in N/A SNW-126 x 4-7/16 N/A SDAF626 N/A SR-0-26 N/A LOR 117 N/A 318000 lbf1410000 N N/A 281000 lbf1250000 N N/A CAD Icon (for items table)
SDAF 22526 4-1/2 N/A 22226K N/A 4 1/2 in N/A 8 in N/A SNW-26 x 4-1/2 N/A SDAF526 x 4-1/2 N/A SR-26-0 N/A LOR 118 N/A 212000 lbf945000 N N/A 170000 lbf757000 N N/A CAD Icon (for items table)
SDAF 22626 4-1/2 N/A 22326K N/A 4 1/2 in N/A 8.75 in N/A SNW-126 x 4-1/2 N/A SDAF626 x 4-1/2 N/A SR-0-26 N/A LOR 118 N/A 318000 lbf1410000 N N/A 281000 lbf1250000 N N/A CAD Icon (for items table)
SDAF 22626 4-9/16 N/A 22326K N/A 4 9/16 in N/A 8.75 in N/A SNW-126 x 4-9/16 N/A SDAF626 x 4-9/16 N/A SR-0-26 N/A LOR 119 N/A 318000 lbf1410000 N N/A 281000 lbf1250000 N N/A CAD Icon (for items table)
SDAF 22528 4-7/8 N/A 22228K N/A 4.8750 in N/A 8 in N/A SNW-28 x 4-7/8 N/A SDAF528 x 4-7/8 N/A SR-28-0 N/A LOR 121 N/A 237000 lbf1060000 N N/A 194000 lbf863000 N N/A CAD Icon (for items table)
SDAF 22528 N/A 22228K N/A 4 15/16 in N/A 8 in N/A SNW-28 x 4-15/16 N/A SDAF528 N/A SR-28-0 N/A LOR 122 N/A 237000 lbf1060000 N N/A 194000 lbf863000 N N/A CAD Icon (for items table)
SDAF 22628 N/A 22328K N/A 4 15/16 in N/A 9.625 in N/A SNW-128 x 4-15/16 N/A SDAF628 N/A SR-0-28 N/A LOR 122 N/A 375000 lbf1670000 N N/A 326000 lbf1450000 N N/A CAD Icon (for items table)
SDAF 22530 5-1/8 N/A 22230K N/A 5.1250 in N/A 8.3750 in N/A SNW-30 x 5-1/8 N/A SDAF530 x 5-1/8 N/A SR-30-0 N/A LOR 124 N/A 276000 lbf1230000 N N/A 225000 lbf1000000 N N/A CAD Icon (for items table)
SDAF 22630 5-1/8 N/A 22330K N/A 5.1250 in N/A 9.7500 in N/A SNW-130 x 5-1/8 N/A SDAF630 x 5-1/8 N/A SR-36-30 N/A LOR 124 N/A 424000 lbf1890000 N N/A 365000 lbf1620000 N N/A CAD Icon (for items table)
SDAF 22530 N/A 22230K N/A 5 3/16 in N/A 8.3750 in N/A SNW-30 x 5-3/16 N/A SDAF530 N/A SR-30-0 N/A LOR 125 N/A 276000 lbf1230000 N N/A 225000 lbf1000000 N N/A CAD Icon (for items table)
SDAF 22630 N/A 22330K N/A 5 3/16 in N/A 9.7500 in N/A SNW-130 x 5-3/16 N/A SDAF630 N/A SR-36-30 N/A LOR 125 N/A 424000 lbf1890000 N N/A 365000 lbf1620000 N N/A CAD Icon (for items table)
SDAF 22530 5-1/4 N/A 22230K N/A 5 1/4 in N/A 8.3750 in N/A SNW-30 x 5-1/4 N/A SDAF530 x5-1/4 N/A SR-30-0 N/A LOR 126 N/A 276000 lbf1230000 N N/A 225000 lbf1000000 N N/A CAD Icon (for items table)
SDAF 22630 5-1/4 N/A 22330K N/A 5 1/4 in N/A 9.7500 in N/A SNW-130 x 5-1/4 N/A SDAF630 x 5-1/4 N/A SR-36-30 N/A LOR 126 N/A 424000 lbf1890000 N N/A 365000 lbf1620000 N N/A CAD Icon (for items table)
SDAF 22630 5-5/16 N/A 22330K N/A 5 5/16 in N/A 9.7500 in N/A SNW-130 x 5-3/8 N/A SDAF630 x 5-5/16 N/A SR-36-30 N/A LOR 127 N/A 424000 lbf1890000 N N/A 365000 lbf1620000 N N/A CAD Icon (for items table)
SDAF 22532 5-3/8 N/A 22232K N/A 5 3/8 in N/A 8.75 in N/A SNW-32 x 5-3/8 N/A SDAF532 x 5-3/8 N/A SR-32-0 N/A LOR 129 N/A 309000 lbf1370000 N N/A 253000 lbf1120000 N N/A CAD Icon (for items table)
Unit of Measure
1 2