3D CAD and 2D Drawings

Find and download 3D CAD and 2D drawings for key Timken products.

  • Each assembly includes the housing cap and base, cap bolts, bearing, locknut and washer, stabilizing ring, and triple ring seals.
  • To order pillow block housing only, use the numbers listed in the "Housing Only" column. These units include: cap, base, cap bolts, triple ring seals and stabilizing ring.
  • Assembly and pillow blocks 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.
  • All assemblies shown are furnished in cast iron. If cast steel is desired, add the letter "S" to the alpha prefix (e.g., SDAFS 22220).

Note: Speed ratings are found in dimension tables in the spherical roller bearing section.
Unit of Measure
Items
Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series
Bearing Number N/A 22317 N/A 22318 N/A 22220 N/A 22320 N/A 22222
Diameter S-2 N/A 3 15/16 in N/A 4 1/8 in N/A 4 1/2 in N/A 4 1/2 in N/A 4 7/8 in
Diameter S-3 N/A 3 3/16 in N/A 3 3/8 in N/A 3 13/16 in N/A 3 13/16 in N/A 4 3/16 in
A N/A 4.25 in N/A 4.75 in N/A 4.50 in N/A 5.2500 in N/A 4.9375 in
B N/A 15.2500 in N/A 15.5000 in N/A 15.2500 in N/A 16.5 in N/A 16.5 in
C N/A 6.0000 in N/A 6.1250 in N/A 6.0000 in N/A 6.8750 in N/A 6.750 in
D N/A 1.8750 in N/A 2.00 in N/A 1.8750 in N/A 2.2500 in N/A 2.1250 in
E Max. N/A 13.1250 in N/A 13.5000 in N/A 13.1250 in N/A 14.5000 in N/A 14.5000 in
E Min. N/A 11.6250 in N/A 12.0000 in N/A 11.6250 in N/A 13.2500 in N/A 12.6250 in
F N/A 3.375 in N/A 3.625 in N/A 3.375 in N/A 4.125 in N/A 4.00 in
H1 N/A 8.9375 in N/A 9.4375 in N/A 8.9375 in N/A 10.5000 in N/A 9.8750 in
Oil Level K N/A 1.1875 in N/A 2.0000 in N/A 1.7500 in N/A 2.1250 in N/A 1.8750 in
L2 N/A 6.7500 in N/A 6.875 in N/A 6.7500 in N/A 7.625 in N/A 7.250 in
Y N/A 1.8906 in N/A 2.0469 in N/A 1.7656 in N/A 2.2969 in N/A 1.9531 in
No. of Base Bolts Required N/A 4
Size of Base Bolts Required N/A 0.75 in N/A 0.75 in N/A 0.75 in N/A 0.875 in N/A 0.875 in
Locknut N/A AN17 N/A AN18 N/A AN20 N/A AN20 N/A AN22
Lockwasher N/A W17 N/A W18 N/A W20 N/A W20 N/A W22
Housing Only3 N/A SDAF317 N/A SDAF318 N/A SDAF220 N/A SDAF320 N/A SDAF222
Stabilizing Ring 1 Req’d4 N/A SR-20-17 N/A SR-21-18 N/A SR-20-17 N/A SR-24-20 N/A SR-22-19
Triple Seal 2 Req’d at S-2 N/A LOR109 N/A LOR112 N/A LOR118 N/A LOR118 N/A LOR121
Triple Seal 2 Req’d at S-3 N/A LOR188 N/A LOR191 N/A LOR106 N/A LOR106 N/A LOR113
Assembly Weight N/A 80.000 lb N/A 92.000 lb N/A 81.000 lb N/A 109.0 lb N/A 109.0 lb
UPC Code N/A
Full Timken Part Number N/A SDAF22317 N/A SDAF22318 N/A SDAF22220 N/A SDAF22320 N/A SDAF22222
  • 1 Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
  • 2 Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
  • 3 "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.
  • 4 Stabilizing ring is used for fixed (FX) block; do not use for float (FL) mounting.