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Smarter Bearing Selection Is Here

The Timken ® Syber ® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken ® Syber ® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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Simplified Gear Force Analysis

Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.

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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.
Unit of Measure

Specifications

Bearing Number

 N/A 22317

Diameter S-2

 N/A 3 15/16 in

Diameter S-3

 N/A 3 3/16 in

A

 N/A 4.25 in

B

 N/A 15-1/4 in

C

 N/A 6 in

D

 N/A 1 7/8 in

E Max.

 N/A 13.125 in

E Min.

 N/A 11.625 in

F

 N/A 3.375 in
H1 N/A 8.9375 in

Oil Level K

 N/A 1.1875 in
L2 N/A 6.75 in

Y

 N/A 1.8906 in

No. of Base Bolts Required

 N/A 4

Size of Base Bolts Required

 N/A 3/4

Bolt Hole Length

 N/A 1.5 in

Bolt Hole Width

 N/A 0.75 in

Locknut

 N/A AN17

Lockwasher

 N/A W17
Housing Only3 N/A SDAF317
Stabilizing Ring 1 Req'd4 N/A SR-20-17

Triple Seal 2 Req’d at S-2

 N/A LOR109

Triple Seal 2 Req’d at S-3

 N/A LOR188

Full Timken Part Number

 N/A SDAF22317

Basic Load Ratings

C0 - Static Radial Rating

 N/A 131000 lbf584000 N

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

 N/A 122000 lbf543000 N

Factors

e - ISO Factor5 N/A 0.32
Y0 - ISO Factor6 N/A 2.06
Y1 - ISO Factor7 N/A 2.11
Y2 - ISO Factor8 N/A 3.14

Reference Thermal Speed Rating (Grease)

 N/A 3000 rpm
Reference Thermal Speed Rating (Oil)9 N/A 3500 rpm
Cg - Geometry Factor10 N/A 0.0662
  • 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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