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  • Each assembly includes the housing cap and base, cap bolts, bearing, locknut and lockwasher, stabilizing ring and triple ring seals.
  • To order pillow block housing only, use the numbers listed in "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., SAFS 22217).

Speed ratings are found in dimension tables in the spherical roller bearing section.
Unit of Measure

Specifications

Bearing Number

 N/A 22240

Diameter S-2

 N/A 8 3/4 in

Diameter S-3

 N/A 7.6250 in

A

 N/A 8.25 in

B

 N/A 29.5 in

C

 N/A 8.0 in

D

 N/A 3.375 in

E Max.

 N/A 25 in

E Min.

 N/A 22.5 in

F

 N/A 5.0 in
H1 N/A 17.1875 in

Oil Level K

 N/A 2.6875 in
L2 N/A 10.813 in

Y

 N/A 3.2813 in

No. of Base Bolts Required

 N/A 4

Size of Base Bolts Required

 N/A 1 1/4

Bolt Hole Length

 N/A 2.5 in

Bolt Hole Width

 N/A 1.25 in

Locknut

 N/A AN40

Lockwasher

 N/A W40
Housing Only3 N/A SAF240
Stabilizing Ring 1 Req'd4 N/A SR-40-34

Triple Seal 2 Req’d at S-2

 N/A LOR175

Triple Seal 2 Req’d at S-3

 N/A LOR164

Seal Type

 N/A Triple Ring Seal

Full Timken Part Number

 N/A SAF22240

Basic Load Ratings

C0 - Static Radial Rating

 N/A 452000 lbf2010000 N

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

 N/A 356000 lbf1580000 N

Factors

e - ISO Factor5 N/A 0.27
Y0 - ISO Factor6 N/A 2.44
Y1 - ISO Factor7 N/A 2.5
Y2 - ISO Factor8 N/A 3.72

Reference Thermal Speed Rating (Grease)

 N/A 1500 rpm
Reference Thermal Speed Rating (Oil)9 N/A 1700 rpm
Cg - Geometry Factor10 N/A 0.0992
  • 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.
  • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 These factors apply for both inch and metric calculations. See engineering
  • 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 9 See thermal speed ratings in the engineering section.
  • 10 Geometry constant for Lubrication Life Adjustment Factor a3l.
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