The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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    Material:
  • "TFA" - Aluminum Alloy per AMS-QQ-A-200/3 or AMS-QQ-A-225/6 (2024-T851 or 2024-T8511) - chemical film treatment per MIL-DTL-5541- AT 3200 Bearing Liner System, permanently bonded to bearing inside diameter and flange face. Qualified to SAE-AS81820 Type A.
  • "TFC" - Corrosion Resistant Steel, AMS 5643 (17-4 PH) Condition H-1150 per AMS-H-6875 - passivated per AMS 2700 method 1, type 2 or type 8, or ASTM A 967 - AT 3200 Bearing Liner System, permanently bonded to bearing inside diameter and flange face. Qualified to SAE-AS81820 Type A.
    • Options:
  • "P" indicates cadmium plating per AMS-QQ-P-416 Class 2, Type II (17-4 PH only)(ex.: AJB-4TFC-008P)
  • "E" indicates Zinc-Nickel plating per AMS 2417 Type 2 (17-4 PH only) (ex.: AJB-4TFC-008E)
  • "D1" indicates a .010" oversize outside diameter (ex.: AJB-4TFA-008D1)
  • "D2" indicates a .020" oversize outside diameter (ex.: AJB-4TFA-008D2)
Unit of Measure

Specifications

Part Number

 N/A AJB-4TFA-008D1

SAE Part Number

N/A M81934/2-04A008T

Nominal Size

 N/A 1/4

B - Bore Diameter

 N/A .2515 in

D - Outside Diameter

 N/A .3860 in

H - Flange Diameter

 N/A .750 in

W - Flange Width

 N/A .0625 in

L - Sleeve Length

 N/A .250 in

Material

 N/A Aluminum

Sleeve Weight (L-1.00)

 N/A .006 lb/in

Flange Weight

 N/A .002 lb

Total Weight

 N/A .0035 lb

Note

 N/A For dimensional tolerances of listed features, see the PDF version of the catalog under the View Product Catalogs" tab from the home page."