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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timken-fafnir-tapped-base-mounted-ball-bearing-unit-with-locking-collar-STB
Unit of Measure
1 2 3 

Part Number

Shaft Size d

Bearing Type 

Base Width

Static Load Rating

Dynamic Load Rating

Housing Construction

CAD

STB 3/4 N/A 3/4 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 6500 N1460 lbf N/A 14200 N3190 lbf N/A Tapped Base N/A CAD
YTB 3/4 N/A 3/4 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 6500 N1460 lbf N/A 14200 N3190 lbf N/A Tapped Base N/A CAD
STB 20 N/A 20 mm N/A Ball Bearing N/A 36.5 mm1.438 in N/A 6500 N1460 lbf N/A 14200 N3190 lbf N/A Tapped Base N/A CAD
YTB 20 N/A 20 mm N/A Ball Bearing N/A 36.5 mm1.438 in N/A 6500 N1460 lbf N/A 14200 N3190 lbf N/A Tapped Base N/A CAD
STB 7/8 N/A 7/8 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
YTB 7/8 N/A 7/8 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
YTB 7/8 SGT N/A 7/8 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
STB 15/16 N/A 15/16 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
YTB 15/16 N/A 15/16 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
YTB 15/16 SGT N/A 15/16 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
STB 25 N/A 25 mm N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
YTB 25 PT SGT N/A 25 mm N/A Ball Bearing N/A 36.51 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
YTB 25 N/A 25 mm N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
YTB 25 SGT N/A 25 mm N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
STB1 N/A 1 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
KTB1 PS N/A 1 in N/A Ball Bearing N/A 36.51 mm1.438 in N/A 1067 N240 lbf N/A N/A Tapped Base N/A CAD
YTB1 PT SGT N/A 1 in N/A Ball Bearing N/A 36.51 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
YTB1 N/A 1 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
YTB1 SGT N/A 1 in N/A Ball Bearing N/A 36.5 mm1.438 in N/A 7800 N1750 lbf N/A 15500 N3490 lbf N/A Tapped Base N/A CAD
STB1 1/8 N/A 1 1/8 in N/A Ball Bearing N/A 38.1 mm1.5 in N/A 11300 N2530 lbf N/A 21600 N4850 lbf N/A Tapped Base N/A CAD
YTB1 1/8 N/A 1 1/8 in N/A Ball Bearing N/A 38.1 mm1.5 in N/A 11300 N2530 lbf N/A 21600 N4850 lbf N/A Tapped Base N/A CAD
YTB1 1/8 SGT N/A 1 1/8 in N/A Ball Bearing N/A 38.1 mm1.5 in N/A 11300 N2530 lbf N/A 21600 N4850 lbf N/A Tapped Base N/A CAD
YTB1 3/8 SGT N/A 1 3/8 in N/A Ball Bearing N/A 44.45 mm1.75 in N/A 15300 N3440 lbf N/A 28500 N6400 lbf N/A Tapped Base N/A CAD
STB 30 N/A 30 mm N/A Ball Bearing N/A 38.1 mm1.5 in N/A 11300 N2530 lbf N/A 21600 N4850 lbf N/A Tapped Base N/A CAD
YTB 30 N/A 30 mm N/A Ball Bearing N/A 38.1 mm1.5 in N/A 11300 N2530 lbf N/A 21600 N4850 lbf N/A Tapped Base N/A CAD
Unit of Measure
1 2 3