PTI Bearing Catalog - Norfolkbearings.com

Pillow Block Housings
SDAF 500 Series
SDAF 500 - Housing Dimensions
Dimensions in inches
Housing No.
A B b D E E1 F G H L Bolts
(No. Req’d)
mm Max Min mm
SDAF 520 4.500 15.25 6.00 180 13.12 11.63 3.38 55.8 1.88 8.94 6.75 (4) 3/4 65
SDAF 522 4.937 16.50 6.75 200 14.50 12.63 4.00 62.8 2.12 9.88 7.25 (4) 7/8 96
SDAF 524 5.250 16.50 6.88 215 14.50 13.25 4.12 67.8 2.50 10.50 7.38 (4) 7/8 107
SDAF 526 6.000 18.38 7.50 230 16.00 14.63 4.50 73.8 2.38 11.88 8.00 (4) 1 147
SDAF 528 6.000 20.12 7.50 250 17.12 16.00 4.50 77.8 2.38 12.06 7.94 (4) 1-1/8 131
SDAF 530 6.312 21.25 7.88 270 18.25 17.00 4.75 82.8 2.50 12.81 8.38 (4) 1-1/8 157
SDAF 532 6.687 22.00 8.25 290 19.25 17.38 5.00 89.8 2.50 13.69 8.75 (4) 1/8 187
SDAF 534 7.062 24.75 9.00 310 21.63 19.38 5.50 95.8 2.50 14.25 9.63 (4) 1/4 212
SDAF 536 7.500 26.75 9.38 320 23.63 20.88 5.88 95.8 2.75 15.50 10.00 (4) 1/4 292
SDAF 538 7.875 27.63 10.00 340 23.50 21.50 6.25 101.8 3.00 16.25 10.63 (4) 1-3/8 338
SDAF 540 8.250 28.75 10.50 360 25.00 23.00 6.75 107.8 3.25 17.12 11.12 (4) 1-3/8 344
SDAF 544 9.500 32.00 11.25 400 27.88 25.63 7.25 117.8 3.50 19.25 11.88 (4) 1-1/2 513
SDAF 225 - Pillow Block Part Number
Shaft Diameter
S-1 in
Complete Pillow
Block
Part No.
Pillow Block
Housing Only
Part No.
Bearing
Part No.
*
Basic Dynamic
Load Rating
C kN
P.T. International Corp. 186
Adapter Locknut
and Lockwasher
Part No.
Labyrinth Seal
(2 required)
Part No.
Fixing Ring
(1 required)
Part No.
Wt.
lb
End Cover
(optional)
Part No.
3-7/16 SDAF 22520 SDAF 520 22220 K 310 SNW 20 x 3-7/16 LER 75 FR180 x 10 EPR 11
3-15/16 SDAF 22522 SDAF 522 22222 K 405 SNW 22 x 3-15/16 LER 93 FR200 x 10 EPR 13
4-3/16 SDAF 22524 SDAF 524 22224 K 465 SNW 24 x 4-3/16 LER 113 FR215 x 10 EPR 14
4-7/16 SDAF 22526 SDAF 526 22226 K 545 SNW 26 x 4-7/16 LER 117 FR230 x 10 EPR 15
4-15/16 SDAF 22528 SDAF 528 22228 K 605 SNW 28 x 4-15/16 LER 122 FR250 x 10 EPR 27
5-3/16 SDAF 22530 SDAF 530 22230 K 730 SNW 30 x 5-3/16 LER 125 FR270 x 10 EPR 16
5-7/16 SDAF 22532 SDAF 532 22232 K 860 SNW 32 x 5-7/16 LER 130 FR290 x 10 EPR 16
5-15/16 SDAF 22534 SDAF 534 22234 K 975 SNW 34 x 5-15/16 LER 140 FR310 x 10 EPR 18
6-7/16 SDAF 22536 SDAF 536 22236 K 1000 SNW 36 x 6-7/16 LER 148 FR310 x 10 EPR 19
6-15/16 SDAF 22538 SDAF 538 22238 K 1100 SNW 38 x 6-15/16 LER 224 FR340 x 10 EPR 21
7-3/16 SDAF 22540 SDAF 540 22240 K 1250 SNW 40 x 7-3/16 LER 228 FR360 x 10 EPR 22
7-15/16 SDAF 22544 SDAF 544 22244 K 1500 SNW 44 x 7-15/16 LER 236 FR400 x 10 EPR 24
Note: * Typical suffix to the bearing part number is C3W33 where C3 is the internal clearance and W33 indicates a lube groove on
the bearing O.D. K indicates a taper bore bearing. For example specify 22220 K C3W33. Other clearances available upon
request. Seals and Fixing Ring included with Pillow Block Housing. Taconite seals also available.