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

YTB 30 SGT 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
STB1 3/16 N/A 1 3/16 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 3/16 N/A 1 3/16 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 3/16 SGT N/A 1 3/16 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
STB1 1/4 S N/A 1 1/4 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
STB1 1/4 N/A 1 1/4 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
YTB1 1/4 S N/A 1 1/4 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 1/4 N/A 1 1/4 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
YTB1 1/4 S SGT N/A 1 1/4 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 1/4 SGT N/A 1 1/4 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
STB1 3/8 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
YTB1 3/8 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 35 N/A 35 mm 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
YTB 35 N/A 35 mm 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
YTB 35 SGT N/A 35 mm 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
YTB1 7/16 SGT N/A 1 7/16 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
STB1 1/2 N/A 1 1/2 in N/A Ball Bearing N/A 47.63 mm1.875 in N/A 19800 N4460 lbf N/A 36200 N8130 lbf N/A Tapped Base N/A CAD
YTB1 1/2 N/A 1 1/2 in N/A Ball Bearing N/A 47.63 mm1.875 in N/A 19800 N4460 lbf N/A 36200 N8130 lbf N/A Tapped Base N/A CAD
YTB1 1/2 SGT N/A 1 1/2 in N/A Ball Bearing N/A 47.63 mm1.875 in N/A 19800 N4460 lbf N/A 36200 N8130 lbf N/A Tapped Base N/A CAD
STB 40 N/A 40 mm N/A Ball Bearing N/A 47.63 mm1.875 in N/A 19800 N4460 lbf N/A 36200 N8130 lbf N/A Tapped Base N/A CAD
YTB 40 N/A 40 mm N/A Ball Bearing N/A 47.63 mm1.875 in N/A 19800 N4460 lbf N/A 36200 N8130 lbf N/A Tapped Base N/A CAD
YTB 40 SGT N/A 40 mm N/A Ball Bearing N/A 47.63 mm1.875 in N/A 19800 N4460 lbf N/A 36200 N8130 lbf N/A Tapped Base N/A CAD
STB1 5/8 N/A 1 5/8 in N/A Ball Bearing N/A 50.8 mm2 in N/A 20500 N4600 lbf N/A 36300 N8160 lbf N/A Tapped Base N/A CAD
YTB1 5/8 N/A 1 5/8 in N/A Ball Bearing N/A 50.8 mm2 in N/A 20500 N4600 lbf N/A 36300 N8160 lbf N/A Tapped Base N/A CAD
YTB1 5/8 SGT N/A 1 5/8 in N/A Ball Bearing N/A 50.8 mm2 in N/A 20500 N4600 lbf N/A 36300 N8160 lbf N/A Tapped Base N/A CAD
Unit of Measure
1 2 3