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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 22330

Diameter S-2

 N/A 6 5/8 in

Diameter S-3

 N/A 5.7500 in

A

 N/A 7.5 in

B

 N/A 26.75 in

C

 N/A 7.125 in

D

 N/A 3 in

E Max.

 N/A 23.625 in

E Min.

 N/A 20.875 in

F

 N/A 4-5/8 in
H1 N/A 15.5 in

Oil Level K

 N/A 2.875 in
L2 N/A 9.688 in

Y

 N/A 3.2656 in

No. of Base Bolts Required

 N/A 4

Size of Base Bolts Required

 N/A 1

Bolt Hole Length

 N/A 2.375 in

Bolt Hole Width

 N/A 1 in

Locknut

 N/A AN30

Lockwasher

 N/A W30
Housing Only3 N/A SAF330
Stabilizing Ring 1 Req'd4 N/A SR-36-30

Triple Seal 2 Req’d at S-2

 N/A LOR151

Triple Seal 2 Req’d at S-3

 N/A LOR134

Seal Type

 N/A Triple Ring Seal

Full Timken Part Number

 N/A SAF22330

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 Factor5 N/A 0.33
Y0 - ISO Factor6 N/A 2.03
Y1 - ISO Factor7 N/A 2.08
Y2 - ISO Factor8 N/A 3.09

Reference Thermal Speed Rating (Grease)

 N/A 1500 rpm
Reference Thermal Speed Rating (Oil)9 N/A 1600 rpm
Cg - Geometry Factor10 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 "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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