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<strong>Timken</strong> ® SAF SPLIT-BLOCK HOUSED UNITS<br />
Inch Tapered Bore Mounting • SAF230K, SDAF230K SERIES<br />
Inch TAPERED BORE MOUNTING SAF230K, SDAF230K SERIES<br />
• Each assembly includes the housing cap and base, cap • Assemblies shown are furnished in cast iron. If cast steel is<br />
bolts, bearing, bearing adapter, locknut and lockwasher,<br />
desired, add the letter S to the alpha prefix. If ductile iron is<br />
stabilizing ring and triple-ring seals.<br />
desired, add the letter D to the alpha prefix (e.g., SAFS 22515<br />
• If only the pillow block is desired, use the numbers listed in or SAfd 22515).<br />
the Housing Only column. These units include cap and base, • Please note that for applications SAF23048 and larger, the<br />
cap bolts, triple-ring seals and stabilizing ring.<br />
shaft size must be included in the part description when<br />
• Assembly and pillow blocks described on this page<br />
ordering (e.g., SAF23048-8 15 /16).<br />
constitute fixed units.<br />
• Two stabilizing rings are supplied with housings SAF048<br />
• To order float units, specify the part number plus the suffix through SAF056 and SDAF060K through SDAF076K. For fixed<br />
float or FL.<br />
applications both rings must be used. Do not use stabilizing<br />
rings for float mounting.<br />
Pillow <strong>Block</strong><br />
Assembly (1)<br />
SERIES SAF230K<br />
Shaft Dia. A B C D E F H K<br />
S-1 (2) Max. Min. Oil Level<br />
in. in. in. in. in. in. in. in. in. in.<br />
4 1 ⁄16<br />
4 1 ⁄8<br />
SAF23024K 4 3 ⁄16 4 1 ⁄2 15 1 ⁄4 4 3 ⁄8 1 3 ⁄4 13 1 ⁄8 11 5 ⁄8 2 3 ⁄8 8 11 ⁄16 1 9 ⁄16<br />
4 1 ⁄4<br />
4 5 ⁄16<br />
4 3 ⁄8<br />
SAF23026K 4 7 ⁄16 4 15 ⁄16 16 1 ⁄2 4 3 ⁄4 2 14 1 ⁄2 12 5 ⁄8 2 3 ⁄4 9 9 ⁄16 1 11 ⁄16<br />
4 1 ⁄2<br />
4 13 ⁄16<br />
4 7 ⁄8<br />
SAF23028K 4 15 ⁄16 5 1 ⁄4 16 1 ⁄2 4 3 ⁄4 2 1 ⁄8 14 1 ⁄2 13 1 ⁄4 2 3 ⁄4 10 1 ⁄4 1 13 ⁄16<br />
5<br />
5 1 ⁄8<br />
SAF23030K 5 3 ⁄16 6 18 3 ⁄8 5 1 ⁄8 2 3 ⁄8 16 14 5 ⁄8 3 1 ⁄4 11 9 ⁄16 2 5 ⁄16<br />
5 1 ⁄4<br />
5 3 ⁄8<br />
SAF23032K 5 7 ⁄16 6 18 3 ⁄8 5 1 ⁄8 2 3 ⁄8 16 14 5 ⁄8 3 1 ⁄4 11 9 ⁄16 2 1 ⁄16<br />
5 1 ⁄2<br />
5 13 ⁄16<br />
5 7 ⁄8<br />
SAF23034K 5 15 ⁄16 6 20 1 ⁄8 5 7 ⁄8 2 3 ⁄8 17 1 ⁄8 16 3 3 ⁄8 11 3 ⁄4 1 3 ⁄4<br />
6<br />
6 5 ⁄16<br />
6 3 ⁄8<br />
SAF23036K 6 7 ⁄16 6 11 ⁄16 22 6 1 ⁄4 2 5 ⁄8 19 1 ⁄4 17 3 ⁄8 3 3 ⁄4 13 5 ⁄16 2 3 ⁄16<br />
6 1 ⁄2<br />
6 13 ⁄16<br />
6 7 ⁄8<br />
SAF23038K 6 15 ⁄16 6 11 ⁄16 22 6 1 ⁄4 2 5 ⁄8 19 1 ⁄4 17 3 ⁄8 3 3 ⁄4 13 5 ⁄16 1 15 ⁄16<br />
7<br />
7 1 ⁄8<br />
SAF23040K 7 3 ⁄16 7 1 ⁄16 24 3 ⁄4 6 3 ⁄4 2 3 ⁄4 21 5 ⁄8 19 3 ⁄8 4 1 ⁄4 14 9 ⁄16 2 13 ⁄16<br />
7 1 ⁄4<br />
7 13 ⁄16<br />
7 7 ⁄8<br />
SAF23044K 7 15 ⁄16 7 7 ⁄8 28 7 1 ⁄2 3 1 ⁄8 24 3 ⁄8 21 5 ⁄8 4 1 ⁄2 15 11 ⁄16 2 3 ⁄8<br />
8<br />
(1)<br />
Bold shaft sizes are standard. When ordering non-standard pillow block assemblies, specify shaft size.<br />
(2)<br />
See page D-76, table D-20 for suggested shaft diameter S-1 tolerances.<br />
(3)<br />
Includes sleeve, locknut and lockwasher. Add shaft size to order.<br />
(4)<br />
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.<br />
(5)<br />
Stabilizing ring used for fixed (FX) block; do not use for float (FL) mounting.<br />
NOTE: Speed ratings are found in the dimension tables on pages D-37 through D-43.<br />
D-64 TIMKEN ® HOUSED UNIT CATALOG
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