Part Number SDAF 22222, Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series On The Timken Company

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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 22222


	Part Number SDAF 22222, Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

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.

timken-SAF-pillow-block-mounted-spherical-roller-bearing-unit-4-bolt-with-4-cap-bolts

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Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series

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Unit of Measure: Imperial Metric Both

Specifications · Basic Load Ratings · Factors

Specifications

Bearing Number

22222

Diameter S-2

4 7/8 in

Diameter S-3

4.1875 in

A

4.9375 in

B

16.5 in

C

6.75 in

D

2.125 in

E Max.

14.5 in

E Min.

12.625 in

F

4 in

H¹

9.875 in

Oil Level K

1.875 in

L²

7.2500 in

Y

1.9531 in

No. of Base Bolts Required

Size of Base Bolts Required

7/8

Bolt Hole Length

1.8125 in

Bolt Hole Width

0.875 in

Locknut

AN22

Lockwasher

W22

Housing Only³

SDAF222

Stabilizing Ring 1 Req'd⁴

SR-22-19

Triple Seal 2 Req’d at S-2

LOR121

Triple Seal 2 Req’d at S-3

LOR113

Full Timken Part Number

SDAF22222

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		147000 lbf 653000 N

C1(2) - Dynamic Radial Rating (Two-Rows)		125000 lbf 555000 N

Factors

e - ISO Factor¹

0.25

Y0 - ISO Factor²

2.67

Y1 - ISO Factor³

2.73

Y2 - ISO Factor⁴

4.06

Reference Thermal Speed Rating (Grease)

2900 rpm

Reference Thermal Speed Rating (Oil)⁵

3500 rpm

Cg - Geometry Factor⁶

0.0742

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.

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Part Number SDAF 22222, Inch Straight Bore Mounting Pillow Block SDAF222 and SDAF223 Series