Inch Tapered Bore Mounting Pillow Block SDAF225 and SDAF226 Series On The Timken Company

Each assembly includes the housing cap and base, cap bolts, bearing, bearing adapter, locknut and lockwasher, stabilizing ring and triple ring seals.
To order pillow block housing only, use the number listed in the "Housing Only" column. These units include: cap, base, cap bolts, triple ring seals and stabilizing ring.
Assembly and pillow blocks as described on this page constitute fixed units.
To order float units, specify part number plus suffix "Float" or "FL".
If one end closed assembly is required, specify “CL” in assembly number when ordering.
Assemblies shown are furnished in cast iron. If cast steel is desired, add the letter "S" to the alpha prefix (e.g., SDAFS 22515).

When ordering non-standard pillow block assemblies specify the shaft size.

timken-SAF-pillow-block-mounted-spherical-roller-bearing-unit-4-bolt-with-4-cap-bolts

Inch Tapered Bore Mounting Pillow Block SDAF225 and SDAF226 Series

Part Number	Bearing Number	Diameter S-1	Total Width	Adapter Assembly Number	Housing Only	Stabilizing Ring 1 Req'd	Triple Seal Req'd	C0 - Static Radial Rating	C1(2) - Dynamic Radial Rating (Two-Rows)	CAD
SDAF 22617 2-7/8	N/A 22317K	N/A 2.8750 in	N/A 6.75 in	N/A SNW-117 x 2-7/8	N/A SDAF617 x 2-7/8	N/A SR-20-17	N/A LOR 58	N/A 131000 lbf584000 N	N/A 122000 lbf543000 N	N/A
SDAF 22617	N/A 22317K	N/A 2 15/16 in	N/A 6.75 in	N/A SNW-117 x 2-15/16	N/A SDAF617	N/A SR-20-17	N/A LOR 59	N/A 131000 lbf584000 N	N/A 122000 lbf543000 N	N/A
SDAF 22617 3	N/A 22317K	N/A 3 in	N/A 6.75 in	N/A SNW-117 x 3	N/A SDAF617 x 3	N/A SR-20-17	N/A LOR 60	N/A 131000 lbf584000 N	N/A 122000 lbf543000 N	N/A
SDAF 22618 3-1/16	N/A 22318K	N/A 3.0625 in	N/A 6.8750 in	N/A SNW-118 x 3-1/16	N/A SDAF618 x 3-1/16	N/A SR-21-18	N/A LOR 67	N/A 148000 lbf659000 N	N/A 136000 lbf606000 N	N/A
SDAF 22618 3-1/8	N/A 22318K	N/A 3.1250 in	N/A 6.8750 in	N/A SNW-118 x 3-1/8	N/A SDAF618 x 3-1/8	N/A SR-21-18	N/A LOR 68	N/A 148000 lbf659000 N	N/A 136000 lbf606000 N	N/A
SDAF 22618	N/A 22318K	N/A 3 3/16 in	N/A 6.8750 in	N/A SNW-118 x 3-3/16	N/A SDAF618	N/A SR-21-18	N/A LOR 69	N/A 148000 lbf659000 N	N/A 136000 lbf606000 N	N/A
SDAF 22618 3-1/4	N/A 22318K	N/A 3 1/4 in	N/A 6.8750 in	N/A SNW-118 x 3-1/4	N/A SDAF618 x 3-1/4	N/A SR-21-18	N/A LOR 70	N/A 148000 lbf659000 N	N/A 136000 lbf606000 N	N/A
SDAF 22620 3-5/16	N/A 22320K	N/A 3.3125 in	N/A 7.375 in	N/A SNW-120 x 3-5/16	N/A SDAF620 x 3-5/16	N/A SR-24-20	N/A LOR 73	N/A 205000 lbf910000 N	N/A 181000 lbf804000 N	N/A
SDAF 22520 3-3/8	N/A 22220K	N/A 3.3750 in	N/A 6.75 in	N/A SNW-20 x 3-3/8	N/A SDAF520 x 3-3/8	N/A SR-20-17	N/A LOR 74	N/A 113000 lbf502000 N	N/A 97700 lbf435000 N	N/A
SDAF 22620 3-3/8	N/A 22320K	N/A 3.3750 in	N/A 7.375 in	N/A SNW-120 x 3-3/8	N/A SDAF620 x 3-3/8	N/A SR-24-20	N/A LOR 74	N/A 205000 lbf910000 N	N/A 181000 lbf804000 N	N/A
SDAF 22520	N/A 22220K	N/A 3 7/16 in	N/A 6.75 in	N/A SNW-20 x 3-7/16	N/A SDAF520	N/A SR-20-17	N/A LOR 75	N/A 113000 lbf502000 N	N/A 97700 lbf435000 N	N/A
SDAF 22620	N/A 22320K	N/A 3 7/16 in	N/A 7.375 in	N/A SNW-120 x 3-7/16	N/A SDAF620	N/A SR-24-20	N/A LOR 75	N/A 205000 lbf910000 N	N/A 181000 lbf804000 N	N/A
SDAF 22520 3-1/2	N/A 22220K	N/A 3 1/2 in	N/A 6.75 in	N/A SNW-20 x 3-1/2	N/A SDAF520 x 3-1/2	N/A SR-20-17	N/A LOR 76	N/A 113000 lbf502000 N	N/A 97700 lbf435000 N	N/A
SDAF 22620 3-1/2	N/A 22320K	N/A 3 1/2 in	N/A 7.375 in	N/A SNW-120 x 3-1/2	N/A SDAF620 x 3-1/2	N/A SR-24-20	N/A LOR 76	N/A 205000 lbf910000 N	N/A 181000 lbf804000 N	N/A
SDAF 22522 3-13/16	N/A 22222K	N/A 3.8125 in	N/A 7.2500 in	N/A SNW-22 x 3-13/16	N/A SDAF522 x 3-13/16	N/A SR-22-19	N/A LOR 91	N/A 147000 lbf653000 N	N/A 125000 lbf555000 N	N/A
SDAF 22622 3-13/16	N/A 22322K	N/A 3.8125 in	N/A 8 in	N/A SNW-122 x 3-13/16	N/A SDAF622 x 3-13/16	N/A SR-0-22	N/A LOR 91	N/A 236000 lbf1050000 N	N/A 213000 lbf949000 N	N/A
SDAF 22522 3-7/8	N/A 22222K	N/A 3.8750 in	N/A 7.2500 in	N/A SNW-22 x 3-7/8	N/A SDAF522 x 3-7/8	N/A SR-22-19	N/A LOR 92	N/A 147000 lbf653000 N	N/A 125000 lbf555000 N	N/A
SDAF 22622 3-7/8	N/A 22322K	N/A 3.8750 in	N/A 8 in	N/A SNW-122 x 3-7/8	N/A SDAF622 x 3-7/8	N/A SR-0-22	N/A LOR 92	N/A 236000 lbf1050000 N	N/A 213000 lbf949000 N	N/A
SDAF 22522	N/A 22222K	N/A 3 15/16 in	N/A 7.2500 in	N/A SNW-22 x 3-15/16	N/A SDAF522	N/A SR-22-19	N/A LOR 93	N/A 147000 lbf653000 N	N/A 125000 lbf555000 N	N/A
SDAF 22622	N/A 22322K	N/A 3 15/16 in	N/A 8 in	N/A SNW-122 x 3-15/16	N/A SDAF622	N/A SR-0-22	N/A LOR 93	N/A 236000 lbf1050000 N	N/A 213000 lbf949000 N	N/A
SDAF 22522 4	N/A 22222K	N/A 4 in	N/A 7.2500 in	N/A SNW-22 x 4	N/A SDAF522 x 4	N/A SR-22-19	N/A LOR 94	N/A 147000 lbf653000 N	N/A 125000 lbf555000 N	N/A
SDAF 22622 4	N/A 22322K	N/A 4 in	N/A 8 in	N/A SNW-122 x 4	N/A SDAF622 x 4	N/A SR-0-22	N/A LOR 94	N/A 236000 lbf1050000 N	N/A 213000 lbf949000 N	N/A
SDAF 22524 4-1/16	N/A 22224K	N/A 4.0625 in	N/A 7.375 in	N/A SNW-24 x 4-1/16	N/A SDAF524 x 4-1/16	N/A SR-24-20	N/A LOR 111	N/A 174000 lbf772000 N	N/A 145000 lbf647000 N	N/A
SDAF 22624 4-1/16	N/A 22324K	N/A 4.0625 in	N/A 8.3750 in	N/A SNW-124 x 4-1/16	N/A SDAF624 x 4-1/16	N/A SR-0-24	N/A LOR 111	N/A 272000 lbf1210000 N	N/A 244000 lbf1080000 N	N/A
SDAF 22524 4-1/8	N/A 22224K	N/A 4.1250 in	N/A 7.375 in	N/A SNW-24 x 4-1/8	N/A SDAF524 x 4-1/8	N/A SR-24-20	N/A LOR 112	N/A 174000 lbf772000 N	N/A 145000 lbf647000 N	N/A

Part Number

Bearing Number

Diameter S-1

Total Width

Adapter Assembly Number

Housing Only

Stabilizing Ring 1 Req'd

Triple Seal Req'd

C0 - Static Radial Rating

C1(2) - Dynamic Radial Rating (Two-Rows)

CAD

SDAF 22617 2-7/8

N/A 22317K

N/A 2.8750 in

N/A 6.75 in

N/A SNW-117 x 2-7/8

N/A SDAF617 x 2-7/8

N/A SR-20-17

N/A LOR 58

N/A 131000 lbf584000 N

N/A 122000 lbf543000 N

N/A

SDAF 22617

N/A 22317K

N/A 2 15/16 in

N/A 6.75 in

N/A SNW-117 x 2-15/16

N/A SDAF617

N/A SR-20-17

N/A LOR 59

N/A 131000 lbf584000 N

N/A 122000 lbf543000 N

N/A

SDAF 22617 3

N/A 22317K

N/A 3 in

N/A 6.75 in

N/A SNW-117 x 3

N/A SDAF617 x 3

N/A SR-20-17

N/A LOR 60

N/A 131000 lbf584000 N

N/A 122000 lbf543000 N

N/A

SDAF 22618 3-1/16

N/A 22318K

N/A 3.0625 in

N/A 6.8750 in

N/A SNW-118 x 3-1/16

N/A SDAF618 x 3-1/16

N/A SR-21-18

N/A LOR 67

N/A 148000 lbf659000 N

N/A 136000 lbf606000 N

N/A

SDAF 22618 3-1/8

N/A 22318K

N/A 3.1250 in

N/A 6.8750 in

N/A SNW-118 x 3-1/8

N/A SDAF618 x 3-1/8

N/A SR-21-18

N/A LOR 68

N/A 148000 lbf659000 N

N/A 136000 lbf606000 N

N/A

SDAF 22618

N/A 22318K

N/A 3 3/16 in

N/A 6.8750 in

N/A SNW-118 x 3-3/16

N/A SDAF618

N/A SR-21-18

N/A LOR 69

N/A 148000 lbf659000 N

N/A 136000 lbf606000 N

N/A

SDAF 22618 3-1/4

N/A 22318K

N/A 3 1/4 in

N/A 6.8750 in

N/A SNW-118 x 3-1/4

N/A SDAF618 x 3-1/4

N/A SR-21-18

N/A LOR 70

N/A 148000 lbf659000 N

N/A 136000 lbf606000 N

N/A

SDAF 22620 3-5/16

N/A 22320K

N/A 3.3125 in

N/A 7.375 in

N/A SNW-120 x 3-5/16

N/A SDAF620 x 3-5/16

N/A SR-24-20

N/A LOR 73

N/A 205000 lbf910000 N

N/A 181000 lbf804000 N

N/A

SDAF 22520 3-3/8

N/A 22220K

N/A 3.3750 in

N/A 6.75 in

N/A SNW-20 x 3-3/8

N/A SDAF520 x 3-3/8

N/A SR-20-17

N/A LOR 74

N/A 113000 lbf502000 N

N/A 97700 lbf435000 N

N/A

SDAF 22620 3-3/8

N/A 22320K

N/A 3.3750 in

N/A 7.375 in

N/A SNW-120 x 3-3/8

N/A SDAF620 x 3-3/8

N/A SR-24-20

N/A LOR 74

N/A 205000 lbf910000 N

N/A 181000 lbf804000 N

N/A

SDAF 22520

N/A 22220K

N/A 3 7/16 in

N/A 6.75 in

N/A SNW-20 x 3-7/16

N/A SDAF520

N/A SR-20-17

N/A LOR 75

N/A 113000 lbf502000 N

N/A 97700 lbf435000 N

N/A

SDAF 22620

N/A 22320K

N/A 3 7/16 in

N/A 7.375 in

N/A SNW-120 x 3-7/16

N/A SDAF620

N/A SR-24-20

N/A LOR 75

N/A 205000 lbf910000 N

N/A 181000 lbf804000 N

N/A

SDAF 22520 3-1/2

N/A 22220K

N/A 3 1/2 in

N/A 6.75 in

N/A SNW-20 x 3-1/2

N/A SDAF520 x 3-1/2

N/A SR-20-17

N/A LOR 76

N/A 113000 lbf502000 N

N/A 97700 lbf435000 N

N/A

SDAF 22620 3-1/2

N/A 22320K

N/A 3 1/2 in

N/A 7.375 in

N/A SNW-120 x 3-1/2

N/A SDAF620 x 3-1/2

N/A SR-24-20

N/A LOR 76

N/A 205000 lbf910000 N

N/A 181000 lbf804000 N

N/A

SDAF 22522 3-13/16

N/A 22222K

N/A 3.8125 in

N/A 7.2500 in

N/A SNW-22 x 3-13/16

N/A SDAF522 x 3-13/16

N/A SR-22-19

N/A LOR 91

N/A 147000 lbf653000 N

N/A 125000 lbf555000 N

N/A

SDAF 22622 3-13/16

N/A 22322K

N/A 3.8125 in

N/A 8 in

N/A SNW-122 x 3-13/16

N/A SDAF622 x 3-13/16

N/A SR-0-22

N/A LOR 91

N/A 236000 lbf1050000 N

N/A 213000 lbf949000 N

N/A

SDAF 22522 3-7/8

N/A 22222K

N/A 3.8750 in

N/A 7.2500 in

N/A SNW-22 x 3-7/8

N/A SDAF522 x 3-7/8

N/A SR-22-19

N/A LOR 92

N/A 147000 lbf653000 N

N/A 125000 lbf555000 N

N/A

SDAF 22622 3-7/8

N/A 22322K

N/A 3.8750 in

N/A 8 in

N/A SNW-122 x 3-7/8

N/A SDAF622 x 3-7/8

N/A SR-0-22

N/A LOR 92

N/A 236000 lbf1050000 N

N/A 213000 lbf949000 N

N/A

SDAF 22522

N/A 22222K

N/A 3 15/16 in

N/A 7.2500 in

N/A SNW-22 x 3-15/16

N/A SDAF522

N/A SR-22-19

N/A LOR 93

N/A 147000 lbf653000 N

N/A 125000 lbf555000 N

N/A

SDAF 22622

N/A 22322K

N/A 3 15/16 in

N/A 8 in

N/A SNW-122 x 3-15/16

N/A SDAF622

N/A SR-0-22

N/A LOR 93

N/A 236000 lbf1050000 N

N/A 213000 lbf949000 N

N/A

SDAF 22522 4

N/A 22222K

N/A 4 in

N/A 7.2500 in

N/A SNW-22 x 4

N/A SDAF522 x 4

N/A SR-22-19

N/A LOR 94

N/A 147000 lbf653000 N

N/A 125000 lbf555000 N

N/A

SDAF 22622 4

N/A 22322K

N/A 4 in

N/A 8 in

N/A SNW-122 x 4

N/A SDAF622 x 4

N/A SR-0-22

N/A LOR 94

N/A 236000 lbf1050000 N

N/A 213000 lbf949000 N

N/A

SDAF 22524 4-1/16

N/A 22224K

N/A 4.0625 in

N/A 7.375 in

N/A SNW-24 x 4-1/16

N/A SDAF524 x 4-1/16

N/A SR-24-20

N/A LOR 111

N/A 174000 lbf772000 N

N/A 145000 lbf647000 N

N/A

SDAF 22624 4-1/16

N/A 22324K

N/A 4.0625 in

N/A 8.3750 in

N/A SNW-124 x 4-1/16

N/A SDAF624 x 4-1/16

N/A SR-0-24

N/A LOR 111

N/A 272000 lbf1210000 N

N/A 244000 lbf1080000 N

N/A

SDAF 22524 4-1/8

N/A 22224K

N/A 4.1250 in

N/A 7.375 in

N/A SNW-24 x 4-1/8

N/A SDAF524 x 4-1/8

N/A SR-24-20

N/A LOR 112

N/A 174000 lbf772000 N

N/A 145000 lbf647000 N

N/A