All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted SAF Split-Block Spherical Roller Bearings > Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series > Part Number SDAF 22238  

Part Number SDAF 22238, Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

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  • 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.




Specifications  · Basic Load Ratings  · Factors

Specifications

Bearing Number
22238

Diameter S-2
8 3/8 in

Diameter S-3
7.2500 in

A
7-7/8 in

B
27.625 in

C
10.0 in

D
3 in

E Max.
23.5 in

E Min.
21.5 in

F
6.25 in

H1
16.25 in

Oil Level K
2.625 in

L2
10.375 in

Y
3.1094 in

No. of Base Bolts Required
4

Size of Base Bolts Required
3/8

Bolt Hole Length
2.375 in

Bolt Hole Width
1.375 in

Locknut
AN38

Lockwasher
W38

Housing Only3
SDAF238

Stabilizing Ring 1 Req'd4
SR-38-32

Triple Seal 2 Req’d at S-2
LOR240

Triple Seal 2 Req’d at S-3
LOR229

Full Timken Part Number
SDAF22238
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.


Basic Load Ratings

C0 - Static Radial Rating
440000 lbf
1960000 N

C1(2) - Dynamic Radial Rating (Two-Rows)
348000 lbf
1550000 N


Factors

e - ISO Factor1
0.25

Y0 - ISO Factor2
2.62

Y1 - ISO Factor3
2.67

Y2 - ISO Factor4
3.98

Reference Thermal Speed Rating (Grease)
1500 rpm

Reference Thermal Speed Rating (Oil)5
1800 rpm

Cg - Geometry Factor6
0.0967
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 These factors apply for both inch and metric calculations. See engineering
3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
5 See thermal speed ratings in the engineering section.
6 Geometry constant for Lubrication Life Adjustment Factor a3l.