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.
  • 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.
timken-SAF-pillow-block-mounted-spherical-roller-bearing-unit-4-bolt-with-4-cap-bolts
Inch Tapered Bore Mounting Pillow Block SAF230K and SDAF230K 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

SAF 23024K 4-1/16 N/A 23024K N/A 4.0625 in N/A 6.0000 in N/A SNW-3024 x 4-1/16 N/A SAF024K x 4-1/16 N/A SR-20-17 N/A LOR 111 N/A 129000 lbf574000 N N/A 91700 lbf408000 N N/A CAD Icon (for items table)
SAF 23024K 4-1/8 N/A 23024K N/A 4.1250 in N/A 6.0000 in N/A SNW-3024 x 4-1/8 N/A SAF024K x 4-1/8 N/A SR-20-17 N/A LOR 112 N/A 129000 lbf574000 N N/A 91700 lbf408000 N N/A CAD Icon (for items table)
SAF 23024K N/A 23024K N/A 4 3/16 in N/A 6.0000 in N/A SNW-3024 x 4-3/16 N/A SAF024K N/A SR-20-17 N/A LOR 113 N/A 129000 lbf574000 N N/A 91700 lbf408000 N N/A CAD Icon (for items table)
SAF 23024K 4-1/4 N/A 23024K N/A 4 1/4 in N/A 6.3750 in N/A SNW-3024 x 4-1/4 N/A SAF024K x 4-1/4 N/A SR-20-17 N/A LOR 114 N/A 129000 lbf574000 N N/A 91700 lbf408000 N N/A CAD Icon (for items table)
SAF 23026K 4-5/16 N/A 23026K N/A 4.3125 in N/A 6.3750 in N/A SNW-3026 x 4-5/16 N/A SAF026K x 4-5/16 N/A SR-22-19 N/A LOR 115 N/A 162000 lbf723000 N N/A 116000 lbf518000 N N/A CAD Icon (for items table)
SAF 23026K 4-3/8 N/A 23026K N/A 4.3750 in N/A 6.3750 in N/A SNW-3026 x 4-3/8 N/A SAF026K x 4-3/8 N/A SR-22-19 N/A LOR 116 N/A 162000 lbf723000 N N/A 116000 lbf518000 N N/A CAD Icon (for items table)
SAF 23026K N/A 23026K N/A 4 7/16 in N/A 6.3750 in N/A SNW-3026 x 4-7/16 N/A SAF026K N/A SR-22-19 N/A LOR 117 N/A 162000 lbf723000 N N/A 116000 lbf518000 N N/A CAD Icon (for items table)
SAF 23026K 4-1/2 N/A 23026K N/A 4 1/2 in N/A 6.3750 in N/A SNW-3026 x 4-1/2 N/A SAF026K x 4-1/2 N/A SR-22-19 N/A LOR 118 N/A 162000 lbf723000 N N/A 116000 lbf518000 N N/A CAD Icon (for items table)
SAF 23028K 4-13/16 N/A 23028K N/A 4 13/16 in N/A 7.375 in N/A SNW-3028 x 4-13/16 N/A SAF028K x 4-13/16 N/A SR-0-20 N/A LOR 120 N/A 180000 lbf802000 N N/A 124000 lbf551000 N N/A CAD Icon (for items table)
SAF 23028K 4-7/8 N/A 23028K N/A 4.8750 in N/A 7.375 in N/A SNW-3028 x 4-7/8 N/A SAF028K x 4-7/8 N/A SR-0-20 N/A LOR 121 N/A 180000 lbf802000 N N/A 124000 lbf551000 N N/A CAD Icon (for items table)
SAF 23028K N/A 23028K N/A 4 15/16 in N/A 7.375 in N/A SNW-3028 x 4-15/16 N/A SAF028K N/A SR-0-20 N/A LOR 122 N/A 180000 lbf802000 N N/A 124000 lbf551000 N N/A CAD Icon (for items table)
SAF 23028K 5 N/A 23028K N/A 5 in N/A 7.375 in N/A SNW-3028 x 5.00 N/A SAF028K x 5.00 N/A SR-0-20 N/A LOR 123 N/A 180000 lbf802000 N N/A 124000 lbf551000 N N/A CAD Icon (for items table)
SAF 23030K 5-1/8 N/A 23030K N/A 5.1250 in N/A 8 in N/A SNW-3030 x 5-1/8 N/A SAF030K x 5-1/8 N/A SR-0-21 N/A LOR 124 N/A 205000 lbf911000 N N/A 140000 lbf621000 N N/A CAD Icon (for items table)
SAF 23030K N/A 23030K N/A 5 3/16 in N/A 8 in N/A SNW-3030 x 5-3/16 N/A SAF030K N/A SR-0-21 N/A LOR 125 N/A 205000 lbf911000 N N/A 140000 lbf621000 N N/A CAD Icon (for items table)
SAF 23030K 5-1/4 N/A 23030K N/A 5 1/4 in N/A 8 in N/A SNW-3030 x 5-1/4 N/A SAF030K x 5-1/4 N/A SR-0-21 N/A LOR 126 N/A 205000 lbf911000 N N/A 140000 lbf621000 N N/A CAD Icon (for items table)
SAF 23032K 5-3/8 N/A 23032K N/A 5 3/8 in N/A 8 in N/A SNW-3032 x 5-3/8 N/A SAF032K x 5-3/8 N/A SR-0-22 N/A LOR 129 N/A 235000 lbf1040000 N N/A 159000 lbf705000 N N/A CAD Icon (for items table)
SAF 23032K N/A 23032K N/A 5 7/16 in N/A 8 in N/A SNW-3032 x 5-7/16 N/A SAF032K N/A SR-0-22 N/A LOR 130 N/A 235000 lbf1040000 N N/A 159000 lbf705000 N N/A CAD Icon (for items table)
SAF 23032K 5-1/2 N/A 23032K N/A 5 1/2 in N/A 8 in N/A SNW-3032 x 5-1/2 N/A SAF032K x 5-1/2 N/A SR-0-22 N/A LOR 131 N/A 235000 lbf1040000 N N/A 159000 lbf705000 N N/A CAD Icon (for items table)
SAF 23034K 5-13/16 N/A 23034K N/A 5 13/16 in N/A 7.75 in N/A SNW-3034 x 5-13/16 N/A SAF034K x 5-13/16 N/A SR-0-24 N/A LOR 138 N/A 282000 lbf1250000 N N/A 193000 lbf858000 N N/A CAD Icon (for items table)
SAF 23034K 5-7/8 N/A 23034K N/A 5 7/8 in N/A 7.75 in N/A SNW-3034 x 5-7/8 N/A SAF034K x 5-7/8 N/A SR-0-24 N/A LOR 139 N/A 282000 lbf1250000 N N/A 193000 lbf858000 N N/A CAD Icon (for items table)
SAF 23034K N/A 23034K N/A 5 15/16 in N/A 7.75 in N/A SNW-3034 x 5-15/16 N/A SAF034K N/A SR-0-24 N/A LOR 140 N/A 282000 lbf1250000 N N/A 193000 lbf858000 N N/A CAD Icon (for items table)
SAF 23034K 6 N/A 23034K N/A 6 in N/A 7.75 in N/A SNW-3034 x 6.000 N/A SAF034K x 6.000 N/A SR-0-24 N/A LOR 141 N/A 282000 lbf1250000 N N/A 193000 lbf858000 N N/A CAD Icon (for items table)
SAF 23036K 6-5/16 N/A 23036K N/A 6 5/16 in N/A 8.75 in N/A SNW-3036 x 6-5/16 N/A SAF036K x 6-5/16 N/A SR-0-26 N/A LOR 146 N/A 332000 lbf1480000 N N/A 229000 lbf1020000 N N/A CAD Icon (for items table)
SAF 23036K 6-3/8 N/A 23036K N/A 6 3/8 in N/A 8.75 in N/A SNW-3036 x 6-3/8 N/A SAF036K x 6-3/8 N/A SR-0-26 N/A LOR 147 N/A 332000 lbf1480000 N N/A 229000 lbf1020000 N N/A CAD Icon (for items table)
SAF 23036K N/A 23036K N/A 6 7/16 in N/A 8.75 in N/A SNW-3036 x 6-7/16 N/A SAF036K N/A SR-0-26 N/A LOR 148 N/A 332000 lbf1480000 N N/A 229000 lbf1020000 N N/A CAD Icon (for items table)
SAF 23036K 6-1/2 N/A 23036K N/A 6 1/2 in N/A 8.75 in N/A SNW-3036 x 6-1/2 N/A SAF036K x 6-1/2 N/A SR-0-26 N/A LOR 149 N/A 332000 lbf1480000 N N/A 229000 lbf1020000 N N/A CAD Icon (for items table)
SAF 23038K 6-13/16 N/A 23038K N/A 6 13/16 in N/A 8.75 in N/A SNW-3038 x 6-13/16 N/A SAF038K x 6-13/16 N/A SR-32- 0 N/A LOR 153 N/A 355000 lbf1580000 N N/A 239000 lbf1060000 N N/A CAD Icon (for items table)
SAF 23038K 6-7/8 N/A 23038K N/A 6 7/8 in N/A 8.75 in N/A SNW-3038 x 6-7/8 N/A SAF038K x 6-7/8 N/A SR-32- 0 N/A LOR 154 N/A 355000 lbf1580000 N N/A 239000 lbf1060000 N N/A CAD Icon (for items table)
SAF 23038K N/A 23038K N/A 6 15/16 in N/A 8.75 in N/A SNW-3038 x 6-15/16 N/A SAF038K N/A SR-32- 0 N/A LOR 155 N/A 355000 lbf1580000 N N/A 239000 lbf1060000 N N/A CAD Icon (for items table)
SAF 23038K 7 N/A 23038K N/A 7 in N/A 8.75 in N/A SNW-3038 x 7.000 N/A SAF038K x 7.000 N/A SR-32- 0 N/A LOR 156 N/A 355000 lbf1580000 N N/A 239000 lbf1060000 N N/A CAD Icon (for items table)
SAF 23040K 7-1/8 N/A 23040K N/A 7 1/8 in N/A 9.3750 in N/A SNW-3040 x 7-1/8 N/A SAF040K x 7-1/8 N/A SR-34- 0 N/A LOR 158 N/A 395000 lbf1760000 N N/A 276000 lbf1230000 N N/A CAD Icon (for items table)
SAF 23040K N/A 23040K N/A 7 3/16 in N/A 9.3750 in N/A SNW-3040 x 7-3/16 N/A SAF040K N/A SR-34- 0 N/A LOR 159 N/A 395000 lbf1760000 N N/A 276000 lbf1230000 N N/A CAD Icon (for items table)
SAF 23040K 7-1/4 N/A 23040K N/A 7 1/4 in N/A 9.3750 in N/A SNW-3040 x 7-1/4 N/A SAF040K x 7-1/4 N/A SR-34- 0 N/A LOR 160 N/A 395000 lbf1760000 N N/A 276000 lbf1230000 N N/A CAD Icon (for items table)
SAF 23044K 7-13/16 N/A 23044K N/A 7 13/16 in N/A 10.75 in N/A SNW-3044 x 7-13/16 N/A SAF044K x 7-13/16 N/A SR-38-32 N/A LOR 165 N/A 443000 lbf1970000 N N/A 300000 lbf1340000 N N/A CAD Icon (for items table)
SAF 23044K 7-7/8 N/A 23044K N/A 7 7/8 in N/A 10.75 in N/A SNW-3044 x 7-7/8 N/A SAF044K x 7-7/8 N/A SR-38-32 N/A LOR 166 N/A 443000 lbf1970000 N N/A 300000 lbf1340000 N N/A CAD Icon (for items table)
SAF 23044K N/A 23044K N/A 7 15/16 in N/A 10.75 in N/A SNW-3044 x 7-15/16 N/A SAF044K N/A SR-38-32 N/A LOR 167 N/A 443000 lbf1970000 N N/A 300000 lbf1340000 N N/A CAD Icon (for items table)
SAF 23044K 8 N/A 23044K N/A 8 in N/A 10.75 in N/A SNW-3044 x 8.000 N/A SAF044K x 8.000 N/A SR-38-32 N/A LOR 168 N/A 443000 lbf1970000 N N/A 300000 lbf1340000 N N/A CAD Icon (for items table)
SAF 23048K 8-7/16 N/A 23048K N/A 8 7/16 in N/A 11.125 in N/A SNP-3048 x 8-7/16 N/A SAF048K-8 7/16 N/A A8897 N/A LOR 526 N/A 480000 lbf2140000 N N/A 315000 lbf1400000 N N/A CAD Icon (for items table)
SAF 23048K 8-1/2 N/A 23048K N/A 8 1/2 in N/A 11.125 in N/A SNP-3048 x 8-1/2 N/A SAF048K-8 1/2 N/A A8897 N/A LOR 527 N/A 480000 lbf2140000 N N/A 315000 lbf1400000 N N/A CAD Icon (for items table)
SAF 23048K 8-15/16 N/A 23048K N/A 8 15/16 in N/A 11.125 in N/A SNP-3048 x 8-15/16 N/A SAF048K-8 15/16 N/A A8897 N/A LOR 529 N/A 480000 lbf2140000 N N/A 315000 lbf1400000 N N/A CAD Icon (for items table)
SAF 23048K 9 N/A 23048K N/A 9 in N/A 11.125 in N/A SNP-3048 x 9.000 N/A SAF048K-9 N/A A8897 N/A LOR 530 N/A 480000 lbf2140000 N N/A 315000 lbf1400000 N N/A CAD Icon (for items table)
SAF 23052K 9-7/16 N/A 23052K N/A 9 7/16 in N/A 11.875 in N/A SNP-3052 x 9-7/16 N/A SAF052K-9 7/16 N/A A8898 N/A LOR 178-1 N/A 617000 lbf2740000 N N/A 409000 lbf1820000 N N/A CAD Icon (for items table)
SAF 23052K 9-1/2 N/A 23052K N/A 9 1/2 in N/A 11.875 in N/A SNP-3052 x 9-1/2 N/A SAF052K-9 1/2 N/A A8898 N/A LOR 178 N/A 617000 lbf2740000 N N/A 409000 lbf1820000 N N/A CAD Icon (for items table)
SAF 23056K 9-15/16 N/A 23056K N/A 9 15/16 in N/A 12.063 in N/A SNP-3056 x 9-15/16 N/A SAF056K-9 15/16 N/A A8819 N/A ER 751 N/A 631000 lbf2810000 N N/A 410000 lbf1820000 N N/A CAD Icon (for items table)
SAF 23056K 10 N/A 23056K N/A 10 in N/A 12.063 in N/A SNP-3056 x 10.000 N/A SAF056K-10 N/A A8819 N/A ER 705 N/A 631000 lbf2810000 N N/A 410000 lbf1820000 N N/A CAD Icon (for items table)
SAF 23056K 10-7/16 N/A 23056K N/A 10 7/16 in N/A 12.063 in N/A SNP-3056 x 10-7/16 N/A SAF056K-10 7/16 N/A A8819 N/A ER 745 N/A 631000 lbf2810000 N N/A 410000 lbf1820000 N N/A CAD Icon (for items table)
SAF 23056K 10-1/2 N/A 23056K N/A 10 1/2 in N/A 12.063 in N/A SNP-3056 x 10-1/2 N/A SAF056K-10 1/2 N/A A8819 N/A ER 710 N/A 631000 lbf2810000 N N/A 410000 lbf1820000 N N/A CAD Icon (for items table)
SDAF 23060K 10-15/16 N/A 23060K N/A 10 15/16 in N/A 15.5 in N/A SNP-3060 x 10-15/16 N/A SDAF060K-10 15/16 N/A A8967 N/A ER 858 N/A 803000 lbf3570000 N N/A 525000 lbf2330000 N N/A CAD Icon (for items table)
SDAF 23060K 11 N/A 23060K N/A 11 in N/A 15.5 in N/A SNP-3060 x 11.000 N/A SDAF060K-11 N/A A8967 N/A ER 825 N/A 803000 lbf3570000 N N/A 525000 lbf2330000 N N/A CAD Icon (for items table)
SDAF 23064K 11-7/16 N/A 23064K N/A 11 7/16 in N/A 15.5 in N/A SNP-3064 x 11-7/16 N/A SDAF064K-11 7/16 N/A A8968 N/A ER 861-1 N/A 873000 lbf3880000 N N/A 543000 lbf2410000 N N/A CAD Icon (for items table)
Unit of Measure
1 2