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  • 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.
Unit of Measure

Specifications

Bearing Number

 N/A 22330K

Diameter S-1

 N/A 5 5/16 in

A

 N/A 7-1/2 in

B

 N/A 26.75 in

C

 N/A 9.375 in

D

 N/A 2-3/4 in

E Max.

 N/A 23.625 in

E Min.

 N/A 20.875 in

F

 N/A 5.875 in
H1 N/A 15.1875 in

Oil Level K

 N/A 2.875 in
L2 N/A 9.7500 in

Y

 N/A 3.2656 in

No. of Base Bolts Required

 N/A 4

Size of Base Bolts Required

 N/A 1 1/4

Bolt Hole Length

 N/A 2.625 in

Bolt Hole Width

 N/A 1.25 in
Adapter Assembly Number3 N/A SNW-130 x 5-3/8
Housing Only4 N/A SDAF630 x 5-5/16
Stabilizing Ring 1 Req'd5 N/A SR-36-30

Triple Seal Req'd

 N/A LOR 127

Full Timken Part Number

 N/A SDAF226305-5/16

Basic Load Ratings

C0 - Static Radial Rating

 N/A 424000 lbf1890000 N

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

 N/A 365000 lbf1620000 N

Factors

e - ISO Factor6 N/A 0.33
Y0 - ISO Factor7 N/A 2.03
Y1 - ISO Factor8 N/A 2.08
Y2 - ISO Factor9 N/A 3.09

Reference Thermal Speed Rating (Grease)

 N/A 1500 rpm
Reference Thermal Speed Rating (Oil)10 N/A 1600 rpm
Cg - Geometry Factor11 N/A 0.0884
  • 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 Includes sleeve, locknut and lockwasher. Add shaft size to order.
  • 4 "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.
  • 5 Stabilizing ring is used for fixed (FX) block; do not use for float (FL) mounting.
  • 6 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 7 These factors apply for both inch and metric calculations. See engineering
  • 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 10 See thermal speed ratings in the engineering section.
  • 11 Geometry constant for Lubrication Life Adjustment Factor a3l.
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