Timken - Saf Split-Block Housed Units

Timken ® SAF SPLIT-BLOCK HOUSED UNITS
Inch STRAIGHT BORE MOUNTING • SDAF222 AND SDAF223 SERIES
inch STRAIGHT BORE MOUNTING SDAF222 and SDAF223 SERIES
• Each assembly includes the housing cap and base, cap • To order float units, specify part number plus suffix float
bolts, bearing, locknut and washer, stabilizing ring, and
or FL.
triple-ring seals.
• Assemblies shown are furnished in cast iron. If cast steel is
• To order pillow block housing only, use the numbers listed in desired, add the letter S to the alpha prefix. If ductile iron is
the Housing Only column. These units include cap and base, desired, add the letter D to the alpha prefix (e.g., SAFS 22515
cap bolts, triple-ring seals and stabilizing ring.
or SAfd 22515).
• Assembly and pillow blocks described on this page
constitute fixed units.
Pillow
Block
Assembly
SERIES SDAF222
Base Bolts
Shaft Dia. (1) A B C D E F H K L Y
Required
S-2 S-3 Max. Min. Oil Level No. Size
in. in. in. in. in. in. in. in. in. in. in. in. in. in.
SDAF22220 4 1 ⁄2 3 13 ⁄16 4 1 ⁄2 15 1 ⁄4 6 1 7 ⁄8 13 1 ⁄8 11 5 ⁄8 3 3 ⁄8 8 15 ⁄16 1 3 ⁄4 6 3 ⁄4 1 49 ⁄64 4 3
⁄4
SDAF22222 4 7 ⁄8 4 3 ⁄16 4 15 ⁄16 16 1 ⁄2 6 3 ⁄4 2 1 ⁄8 14 1 ⁄2 12 5 ⁄8 4 9 7 ⁄8 1 7 ⁄8 7 1 ⁄4 1 61 ⁄64 4 7
⁄8
SDAF22224 5 5 ⁄16 4 9 ⁄16 5 1 ⁄4 16 1 ⁄2 6 7 ⁄8 2 1 ⁄4 14 1 ⁄2 13 1 ⁄4 4 1 ⁄8 10 1 ⁄2 1 15 ⁄16 7 3 ⁄8 2 3 ⁄32 4 7
⁄8
SDAF22226 5 7 ⁄8 4 15 ⁄16 6 18 3 ⁄8 7 1 ⁄2 2 3 ⁄8 16 14 5 ⁄8 4 1 ⁄2 11 7 ⁄8 2 7 ⁄16 8 2 17 ⁄64 4 1
SDAF22228 6 1 ⁄4 5 5 ⁄16 6 20 1 ⁄8 7 1 ⁄2 2 3 ⁄8 17 1 ⁄8 16 4 1 ⁄2 12 1 ⁄16 2 1 ⁄8 7 13 ⁄16 2 13 ⁄32 4 1
SDAF22230 6 5 ⁄8 5 3 ⁄4 6 5 ⁄16 21 1 ⁄4 7 7 ⁄8 2 1 ⁄2 18 1 ⁄4 17 4 3 ⁄4 12 13 ⁄16 2 3 ⁄16 8 3 ⁄8 2 37 ⁄64 4 1 1 ⁄8
SDAF22232 7 6 1 ⁄16 6 11 ⁄16 22 8 1 ⁄4 2 1 ⁄2 19 1 ⁄4 17 3 ⁄8 5 13 11 ⁄16 2 3 ⁄16 8 3 ⁄4 2 49 ⁄64 4 1 1 ⁄8
SDAF22234 7 7 ⁄16 6 7 ⁄16 7 1 ⁄16 24 3 ⁄4 9 2 1 ⁄2 21 5 ⁄8 19 3 ⁄8 5 1 ⁄2 14 1 ⁄4 2 5 ⁄16 9 5 ⁄8 2 59 ⁄64 4 1 1 ⁄4
SDAF22236 7 13 ⁄16 6 7 ⁄8 7 1 ⁄2 26 3 ⁄4 9 3 ⁄8 2 3 ⁄4 23 5 ⁄8 20 7 ⁄8 5 7 ⁄8 15 3 ⁄16 2 9 ⁄16 10 2 61 ⁄64 4 1 1 ⁄4
SDAF22238 8 3 ⁄8 7 1 ⁄4 7 7 ⁄8 27 5 ⁄8 10 3 23 1 ⁄2 21 1 ⁄2 6 1 ⁄4 16 1 ⁄4 2 5 ⁄8 10 5 ⁄8 3 7 ⁄64 4 1 3 ⁄8
SDAF22240 8 3 ⁄4 7 5 ⁄8 8 1 ⁄4 28 3 ⁄4 10 1 ⁄2 3 1 ⁄4 25 23 6 3 ⁄4 17 1 ⁄8 2 11 ⁄16 11 1 ⁄8 3 9 ⁄32 4 1 3 ⁄8
SDAF22244 9 9 ⁄16 8 5 ⁄16 9 1 ⁄2 32 11 1 ⁄4 3 1 ⁄2 27 7 ⁄8 25 5 ⁄8 7 1 ⁄4 19 1 ⁄4 3 3 ⁄8 11 7 ⁄8 3 17 ⁄32 4 1 1 ⁄2
SERIES SDAF223
SDAF22317 3 15 ⁄16 3 3 ⁄16 4 1 ⁄2 15 1 ⁄4 6 1 7 ⁄8 13 1 ⁄8 11 5 ⁄8 3 3 ⁄8 8 15 ⁄16 1 3 ⁄16 6 3 ⁄4 1 57 ⁄64 4 3
⁄4
SDAF22318 4 1 ⁄8 3 3 ⁄8 4 3 ⁄4 15 1 ⁄2 6 1 ⁄8 2 13 1 ⁄2 12 3 5 ⁄8 9 7 ⁄16 2 6 7 ⁄8 2 3 ⁄64 4 3
⁄4
SDAF22320 4 1 ⁄2 3 13 ⁄16 5 1 ⁄4 16 1 ⁄2 6 7 ⁄8 2 1 ⁄4 14 1 ⁄2 13 1 ⁄4 4 1 ⁄8 10 1 ⁄2 2 1 ⁄8 7 3 ⁄8 2 19 ⁄64 4 7
⁄8
SDAF22322 4 7 ⁄8 4 3 ⁄16 6 18 3 ⁄8 7 1 ⁄2 2 3 ⁄8 16 14 5 ⁄8 4 1 ⁄2 11 7 ⁄8 2 1 ⁄2 8 2 31 ⁄64 4 1
SDAF22324 5 5 ⁄16 4 9 ⁄16 6 5 ⁄16 21 1 ⁄4 7 7 ⁄8 2 1 ⁄2 18 1 ⁄4 17 4 3 ⁄4 12 13 ⁄16 2 9 ⁄16 8 3 ⁄8 2 41 ⁄64 4 1 1 ⁄8
SDAF22326 5 7 ⁄8 4 15 ⁄16 6 11 ⁄16 22 8 1 ⁄4 2 1 ⁄2 19 1 ⁄4 17 3 ⁄8 5 13 11 ⁄16 2 5 ⁄8 8 3 ⁄4 2 27 ⁄64 4 1 1 ⁄8
SDAF22328 6 1 ⁄4 5 5 ⁄16 7 1 ⁄16 24 3 ⁄4 9 2 1 ⁄2 21 5 ⁄8 19 3 ⁄8 5 1 ⁄2 14 1 ⁄4 2 11 ⁄16 9 5 ⁄8 3 5 ⁄64 4 1 1 ⁄4
SDAF22330 6 5 ⁄8 5 3 ⁄4 7 1 ⁄2 26 3 ⁄4 9 3 ⁄8 2 3 ⁄4 23 5 ⁄8 20 7 ⁄8 5 7 ⁄8 15 3 ⁄16 2 7 ⁄8 9 3 ⁄4 3 17 ⁄64 4 1 1 ⁄4
SDAF22332 7 6 1 ⁄16 7 7 ⁄8 27 5 ⁄8 10 3 23 1 ⁄2 21 1 ⁄2 6 1 ⁄4 16 1 ⁄4 2 15 ⁄16 10 5 ⁄8 3 7 ⁄16 4 1 3 ⁄8
SDAF22334 7 7 ⁄16 6 7 ⁄16 8 1 ⁄4 28 3 ⁄4 10 1 ⁄2 3 1 ⁄4 25 23 6 3 ⁄4 17 1 ⁄8 3 1 ⁄16 11 1 ⁄8 3 19 ⁄32 4 1 3 ⁄8
SDAF22336 7 13 ⁄16 6 7 ⁄8 8 7 ⁄8 30 1 ⁄2 10 3 ⁄4 3 1 ⁄4 26 3 ⁄8 24 1 ⁄8 6 7 ⁄8 17 15 ⁄16 3 3 ⁄8 11 3 ⁄8 3 47 ⁄64 4 1 1 ⁄2
SDAF22338 8 3 ⁄8 7 1 ⁄4 9 1 ⁄2 32 11 1 ⁄4 3 1 ⁄2 27 7 ⁄8 25 5 ⁄8 7 1 ⁄4 19 1 ⁄4 3 11 ⁄16 11 13 ⁄16 3 57 ⁄64 4 1 1 ⁄2
SDAF22340 8 3 ⁄4 7 5 ⁄8 9 7 ⁄8 33 1 ⁄2 11 3 ⁄4 3 1 ⁄2 29 1 ⁄4 26 5 ⁄8 7 5 ⁄8 19 15 ⁄16 3 3 ⁄4 12 1 ⁄4 4 5 ⁄64 4 1 5 ⁄8
(1)
See page D-76, table D-20 for suggested shaft diameter S-2, S-3 tolerances.
(2)
Housing Only includes cap, base, cap bolts, triple-ring seals and stabilizing rings as required.
(3)
Stabilizing ring used for fixed (FX) block; do not use for float (FL) mounting.
(4)
Triple-ring seals for other shaft diameters are available upon special order.
NOTE: Speed ratings are found in the dimension tables on pages D-37 through D-43.
D-72 TIMKEN ® HOUSED UNIT CATALOG