PTI Bearing Catalog - Norfolkbearings.com

Pillow Block Housings
SAF 300 Series
These Pillow Block Housings accept
self-aligning ball or spherical roller
bearings with straight bores. They are
available in cast iron (SAF) or cast steel
(SAFS). SAF = 2-bolt base, FSAF = 4-
bolt base, SAF 318 through SAF 338
only with 4-bolt base. SAF housings are
supplied standard with triple labyrinth
seals. FSAF 311 through FSAF 317 are
made to order. Each housing includes a
fixing ring for non-expansion. Removing
the ring allows bearing expansion.
LER Seal
End Cover
Fixing Ring
Dimensions in inches
Part No.
Shaft Size
M M S
Wt.
A B C E H H 1 L L 1 X
d 1 d 2
min max Bolt
lb
SAF 308 1-15/16 1-7/16 8.25 2.38 1.00 — 2.500 4.81 3.88 4.00 6.25 7.00 (2) 1/2 1.06 10
SAF 309 2-1/8 1-11/16 9.63 2.75 1.00 — 2.750 5.31 4.13 4.25 7.38 7.88 (2) 5/8 1.06 13
SAF 310 2-3/8 1-7/8 10.63 2.75 1.13 — 3.000 5.81 4.50 4.63 7.75 9.00 (2) 5/8 1.13 17
SAF 311 2-9/16 2-1/16 11.00 3.13 1.19 — 3.250 6.19 4.75 4.88 8.13 9.50 (2) 5/8 1.19 21
FSAF 311 2-9/16 2-1/16 11.00 3.13 1.19 2.00 3.250 6.19 4.75 4.88 8.13 9.50 (4) 1/2 1.19 21
SAF 312 2-7/8 2-1/4 11.25 3.13 1.19 — 3.250 6.38 5.13 5.25 8.63 9.38 (2) 5/8 1.19 25
FSAF 312 2-7/8 2-1/4 11.25 3.13 1.19 1.88 3.250 6.38 5.13 5.25 8.63 9.38 (4) 1/2 1.19 25
SAF 313 3-1/16 2-7/16 13.00 3.50 1.25 — 3.500 6.94 5.25 5.38 9.63 11.00 (2) 3/4 1.38 30
FSAF 313 3-1/16 2-7/16 13.00 3.50 1.25 2.13 3.500 6.94 5.25 5.38 9.63 11.00 (4) 5/8 1.38 30
SAF 314 3-1/4 2-5/8 13.00 3.50 1.25 — 3.750 7.38 5.25 5.38 9.88 11.00 (2) 3/4 1.38 32
FSAF 314 3-1/4 2-5/8 13.00 3.50 1.25 2.13 3.750 7.38 5.25 5.38 9.88 11.00 (4) 5/8 1.38 32
SAF 315 3-7/16 2-13/16 13.75 3.88 1.31 — 4.000 7.81 5.88 6.25 10.38 11.63 (2) 3/4 1.38 41
FSAF 315 3-7/16 2-13/16 13.75 3.88 1.31 2.13 4.000 7.81 5.88 6.25 10.38 11.63 (4) 5/8 1.38 41
SAF 316 3-5/8 3 14.25 3.88 1.31 — 4.250 8.25 6.13 6.50 10.63 12.63 (2) 3/4 1.38 49
FSAF 316 3-5/8 3 14.25 3.88 1.31 2.13 4.250 8.25 6.13 6.50 10.63 12.63 (4) 5/8 1.38 49
SAF 317 3-15/16 3-3/16 15.25 4.38 1.75 — 4.500 8.75 6.50 6.75 11.63 13.13 (2) 7/8 1.56 65
FSAF 317 3-15/16 3-3/16 15.25 4.38 1.75 2.38 4.500 8.75 6.50 6.75 11.63 13.13 (4) 3/4 1.56 65
SAF 318 4-1/8 3-3/8 15.50 4.38 2.00 2.25 4.750 9.19 6.63 6.88 12.00 13.50 (4) 3/4 2.16 75
SAF 320 4-1/2 3-13/16 16.50 4.75 2.13 2.75 5.000 10.25 7.13 7.38 13.25 14.50 (4) 3/4 2.44 91
SAF 322 4-7/8 4-3/16 18.38 5.13 2.38 3.25 6.000 11.50 7.75 8.00 14.63 16.00 (4) 7/8 2.59 120
SAF 324 5-5/16 4-9/16 21.25 6.25 2.50 3.75 6.313 12.50 8.13 8.38 17.00 18.25 (4) 1 2.75 166
SAF 326 5-7/8 4-15/16 22.00 6.25 2.63 3.75 6.688 13.31 8.50 8.75 17.38 19.25 (4) 1 2.94 184
SAF 328 6-1/4 5-5/16 24.75 6.75 2.75 4.25 7.063 14.19 9.25 9.38 19.38 21.63 (4) 1 3.16 243
SAF 330 6-5/8 5-3/4 26.75 7.13 3.00 4.63 7.500 14.88 9.63 9.75 20.88 23.63 (4) 1 3.41 259
SAF 332 7 6-1/16 28.00 7.50 3.13 4.50 7.875 15.69 10.50 10.63 21.63 24.38 (4) 1-1/4 3.59 299
SAF 334 7-7/16 6-7/16 29.50 8.00 3.38 5.00 8.250 16.50 11.00 11.25 22.50 25.00 (4) 1-1/4 3.75 355
SAF 336 7-13/16 6-7/8 31.25 8.25 3.50 5.25 8.875 17.75 11.25 11.38 24.00 26.63 (4) 1-1/4 3.90 360
SAF 338 8-3/8 7-1/4 32.75 8.75 3.75 5.25 9.500 18.63 11.75 12.00 24.75 27.88 (4) 1-1/2 4.06 477
SAF 340 8-3/4 7-5/8 34.25 9.00 4.00 5.50 9.875 20.0 11.87 12.06 26.25 29.50 (4) 1-1/2 4.25 480
P.T. International Corp. 184