The Timken Company - Inch Tapered Bore Mounting Pillow Block SAF230K and SDAF230K Series

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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.
If only the pillow block is desired, use the numbers listed in column "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.
All assemblies shown are furnished in cast iron. If cast steel is desired, add the letter "S" to the alpha prefix (e.g., SAFS 23024).
Please note that for applications SAF23048 and larger, the shaft size must be included in the part description when ordering (e.g., SAF23048-8 15/16).

When ordering non-standard pillow block assemblies specify the shaft size.

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Unit of Measure

Items	SAF 23024K 4-1/16 Inch Tapered Bore Mounting Pillow Block SAF230K and SDAF230K Series	SAF 23024K 4-1/8 Inch Tapered Bore Mounting Pillow Block SAF230K and SDAF230K Series	SAF 23024K Inch Tapered Bore Mounting Pillow Block SAF230K and SDAF230K Series	SAF 23024K 4-1/4 Inch Tapered Bore Mounting Pillow Block SAF230K and SDAF230K Series	SAF 23026K 4-5/16 Inch Tapered Bore Mounting Pillow Block SAF230K and SDAF230K Series
Bearing Number	N/A 23024K	N/A 23024K	N/A 23024K	N/A 23024K	N/A 23026K
Diameter S-1	N/A 4.0625 in	N/A 4.1250 in	N/A 4 3/16 in	N/A 4 1/4 in	N/A 4.3125 in
A	N/A 4.5 in	N/A 4.5 in	N/A 4.5 in	N/A 4-15/16 in	N/A 4-15/16 in
B	N/A 15-1/4 in	N/A 15-1/4 in	N/A 15-1/4 in	N/A 16.5 in	N/A 16.5 in
C	N/A 4.375 in	N/A 4.375 in	N/A 4.375 in	N/A 4.75 in	N/A 4.75 in
D	N/A 1.75 in	N/A 1.75 in	N/A 1.75 in	N/A 2 in	N/A 2 in
E Max.	N/A 13.125 in	N/A 13.125 in	N/A 13.125 in	N/A 14.5 in	N/A 14.5 in
E Min.	N/A 11.625 in	N/A 11.625 in	N/A 11.625 in	N/A 12.625 in	N/A 12.625 in
F	N/A 2-3/8 in	N/A 2-3/8 in	N/A 2-3/8 in	N/A 2.75 in	N/A 2.75 in
H	N/A 8-11/16 in	N/A 8-11/16 in	N/A 8-11/16 in	N/A 9.5625 in	N/A 9.5625 in
L	N/A 6.0000 in	N/A 6.0000 in	N/A 6.0000 in	N/A 6.3750 in	N/A 6.3750 in
Bolt Hole Length	N/A 1.5 in	N/A 1.5 in	N/A 1.5 in	N/A 1.6875 in	N/A 1.6875 in
Bolt Hole Width	N/A 0.75 in
No. of Base Bolts Required	N/A 4
Adapter Assembly Number¹	N/A SNW-3024 x 4-1/16	N/A SNW-3024 x 4-1/8	N/A SNW-3024 x 4-3/16	N/A SNW-3024 x 4-1/4	N/A SNW-3026 x 4-5/16
Housing Only²	N/A SAF024K x 4-1/16	N/A SAF024K x 4-1/8	N/A SAF024K	N/A SAF024K x 4-1/4	N/A SAF026K x 4-5/16
Stabilizing Ring 1 Req'd³	N/A SR-20-17	N/A SR-20-17	N/A SR-20-17	N/A SR-20-17	N/A SR-22-19
Triple Seal Req'd	N/A LOR 111	N/A LOR 112	N/A LOR 113	N/A LOR 114	N/A LOR 115
Seal Type	N/A Triple Ring Seal
Assembly Weight	N/A 60 lb	N/A 60 lb	N/A 60 lb	N/A 60 lb	N/A 76.00 lb
Full Timken Part Number	N/A SAF23024K4-1/16	N/A SAF23024K4-1/8	N/A SAF23024K	N/A SAF23024K4-1/4	N/A SAF23026K4-5/16
C0 - Static Radial Rating	N/A 129000 lbf574000 N	N/A 129000 lbf574000 N	N/A 129000 lbf574000 N	N/A 129000 lbf574000 N	N/A 162000 lbf723000 N
C1(2) - Dynamic Radial Rating (Two-Rows)	N/A 91700 lbf408000 N	N/A 91700 lbf408000 N	N/A 91700 lbf408000 N	N/A 91700 lbf408000 N	N/A 116000 lbf518000 N
e - ISO Factor⁴	N/A 0.22	N/A 0.22	N/A 0.22	N/A 0.22	N/A 0.23
Y0 - ISO Factor⁵	N/A 2.95	N/A 2.95	N/A 2.95	N/A 2.95	N/A 2.87
Y1 - ISO Factor⁶	N/A 3.02	N/A 3.02	N/A 3.02	N/A 3.02	N/A 2.94
Y2 - ISO Factor⁷	N/A 4.49	N/A 4.49	N/A 4.49	N/A 4.49	N/A 4.37
Reference Thermal Speed Rating (Grease)	N/A 2700 rpm	N/A 2700 rpm	N/A 2700 rpm	N/A 2700 rpm	N/A 2500 rpm
Reference Thermal Speed Rating (Oil)⁸	N/A 3300 rpm	N/A 3300 rpm	N/A 3300 rpm	N/A 3300 rpm	N/A 3100 rpm
Cg - Geometry Factor⁹	N/A 0.0735	N/A 0.0735	N/A 0.0735	N/A 0.0735	N/A 0.078
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.