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  • The basic number for ordering complete pillow block assemblies is listed in the table below.
  • Each assembly includes the housing cap and base, cap bolts, bearing, bearing adapter, locknut and lockwasher, stabilizing ring, and triple ring seals.
  • If only the pillow block housing is desired, use the numbers listed in column headed "Housing Only". These units include: cap, base, cap bolts, triple ring seals and stabilizing ring.
  • All assemblies and housings described on this page constitute fixed open units (FXOP), which are typically stocked items. To create the float open (FLOP) version, order the FXOP version and remove the stabilizing ring from the housing.
  • If a closed end housing is required, order the FXOP version and order the appropriate end plug separately to create the fixed closed (FXCL) or float closed (FLCL) versions (remove stabilizing ring for FLCL).
  • In some cases FXCL, FLCL, and FLOP units are stocked, contact Timken Customer Service for details.
  • Assemblies shown are furnished in cast iron. If cast steel is desired, add the letter "S" to the alpha prefix (e.g., SAFS 22515K).
Unit of Measure

Specifications

Bearing Number

 N/A 22211K

Diameter S-1

 N/A 2 in

A

 N/A 2.75 in

B

 N/A 9-5/8 in

C

 N/A 2.75 in

D

 N/A 15/16 in

E Max.

 N/A 7.875 in

E Min.

 N/A 7.375 in

H

 N/A 5.3438 in

L

 N/A 3.75 in

Bolt Hole Length

 N/A 0.75 in

Bolt Hole Width

 N/A 0.5 in
Adapter Assembly Number1 N/A SNW-11 x 2.000
Housing Only2 N/A SAF 511 x 2.000
Stabilizing Ring 1 Req'd3 N/A SR-11-0

Triple Seal 2 Req’d

 N/A LOR 25

Seal Type

 N/A Triple Ring Seal

Full Timken Part Number

 N/A SAF225112

Basic Load Ratings

C0 - Static Radial Rating

 N/A 31900 lbf142000 N

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

 N/A 31400 lbf140000 N

Factors

e - ISO Factor4 N/A 0.23
Y0 - ISO Factor5 N/A 2.89
Y1 - ISO Factor6 N/A 2.95
Y2 - ISO Factor7 N/A 4.4

Reference Thermal Speed Rating (Grease)

 N/A 4700 rpm
Reference Thermal Speed Rating (Oil)8 N/A 5800 rpm
Cg - Geometry Factor9 N/A 0.052
  • 1 Includes sleeve, locknut and lockwasher. Add shaft size to order.
  • 2 "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.
  • 3 Stabilizing ring is used for fixed (FX) block; do not use for float (FL) mounting.
  • 4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 5 These factors apply for both inch and metric calculations. See engineering
  • 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. Consult your Timken representative for instruction on use.
  • 8 See thermal speed ratings in the engineering section.
  • 9 Geometry constant for Lubrication Life Adjustment Factor a3l.
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