Timken - Saf Split-Block Housed Units

Timken ® SAF SPLIT-BLOCK HOUSED UNITS
Inch Tapered Bore Mounting • SAF225 AND SAF226 SERIES
Inch TAPERED BORE MOUNTING SAF225 and SAF226 SERIES – continued
• The basic number for ordering complete pillow block
constitute a fixed unit. To order float units, specify the part
assemblies is listed in the table below.
number plus the suffix float or FL.
• Each assembly includes the housing cap and base, cap • Assemblies shown are furnished in cast iron. If cast steel is
bolts, bearing, bearing adapter, locknut and lockwasher,
desired, add the letter S to the alpha prefix. If ductile iron is
stabilizing ring and triple-ring seals.
desired, add the letter D to the alpha prefix (e.g., SAFS 22515
• If only the pillow block housing is desired, use the numbers or SAfd 22515).
listed in column headed Housing Only. These units include • Four-bolt bases are standard on all assemblies unless as noted.
cap, base, cap bolts, triple-ring seals and stabilizing ring.
• If one end closed assembly is required, specify cl in assembly
• Assemblies and pillow blocks described on this page
number when ordering.
Continued from previous page.
Pillow Block
Assembly (1)
Shaft Dia.
A B C D E F H
S-1 (2)
in. in. in. in. in. in. in. in. in.
Max.
Min.
3 1 ⁄16
3 1 ⁄8
SAF22518 3 3 ⁄16 4 13 3 ⁄4 3 7 ⁄8 1 1 ⁄2 11 5 ⁄8 10 3 ⁄8 – 7 3 ⁄4
3 1 ⁄4
3 1 ⁄16
3 1 ⁄8
FSAF22518 3 3 ⁄16 4 13 3 ⁄4 3 7 ⁄8 1 1 ⁄2 11 5 ⁄8 10 3 ⁄8 2 1 ⁄8 7 3 ⁄4
3 1 ⁄4
3 3 ⁄8
SAF22520 3 7 ⁄16 4 1 ⁄2 15 1 ⁄4 4 3 ⁄8 1 3 ⁄4 13 1 ⁄8 11 5 ⁄8 – 8 11 ⁄16
3 1 ⁄2
3 3 ⁄8
FSAF22520 3 7 ⁄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
3 1 ⁄2
3 13 ⁄16
3 7 ⁄8
SAF22522 3 15 ⁄16 4 15 ⁄16 16 1 ⁄2 4 3 ⁄4 2 14 1 ⁄2 12 5 ⁄8 2 3 ⁄4 9 9 ⁄16
4
4 1 ⁄16
4 1 ⁄8
SAF22524 4 3 ⁄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
4 1 ⁄4
4 5 ⁄16
4 3 ⁄8
SAF22526 4 7 ⁄16 6 18 3 ⁄8 5 1 ⁄8 2 3 ⁄8 16 14 5 ⁄8 3 1 ⁄4 11 9 ⁄16
4 1 ⁄2
4 13 ⁄16
4 7 ⁄8
SAF22528 4 15 ⁄16 6 20 1 ⁄8 5 7 ⁄8 2 3 ⁄8 17 1 ⁄8 16 3 3 ⁄8 11 3 ⁄4
5
5 1 ⁄8
SAF22530 5 3 ⁄16 6 5 ⁄16 21 1 ⁄4 6 1 ⁄4 2 1 ⁄2 18 1 ⁄4 17 3 3 ⁄4 12 1 ⁄2
5 1 ⁄4
(1)
Bold shaft sizes are standard. When ordering non-standard pillow block assemblies specify the shaft size.
(2)
See page D-76, table D-20 for suggested shaft diameter S-1 tolerances.
(3)
Includes sleeve, locknut and lockwasher. Add shaft size to order.
(4)
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.
(5)
Stabilizing ring used for fixed (FX) block; do not use for float (FL) mounting.
NOTE: Speed ratings are found in the dimension tables on pages D-37 through D-43.
D-52 TIMKEN ® HOUSED UNIT CATALOG