Material: Stainless steel or Chrome Steel
Seal Type:
2RS: sealed by rubber on both sides, the color is black, blue or customized.
ZZ: Sealed by steel on both sides.
Open: without seal on any side.
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| Model Number |
ID |
OD |
Width |
Flange OD |
Flange Thickness |
Max Speed |
Seal Type |
Dynamic radial load |
Static radial load |
| SFR0zz |
0.04688" |
0.15625" |
0.0937" |
0.203" |
0.031" |
99000 rpm |
ZZ |
19 lbf |
5 lbf |
| SFR0 |
0.04688" |
0.15625" |
0.0625" |
0.203" |
0.013" |
99000 rpm |
Open |
19 lbf |
5 lbf |
| FR0zz |
0.04688" |
0.15625" |
0.0937" |
0.203" |
0.031" |
110000 rpm |
ZZ |
21 lbf |
6 lbf |
| FR0 |
0.04688" |
0.15625" |
0.0625" |
0.203" |
0.013" |
110000 rpm |
Open |
21 lbf |
6 lbf |
| SFR1zz |
0.05556" |
0.1875" |
0.1094" |
0.234" |
0.031" |
81000 rpm |
ZZ |
40 lbf |
11 lbf |
| SFR1 |
0.05556" |
0.1875" |
0.0781" |
0.234" |
0.023" |
81000 rpm |
Open |
40 lbf |
11 lbf |
| FR1zz |
0.05556" |
0.1875" |
0.1094" |
0.234" |
0.031" |
90000 rpm |
ZZ |
44 lbf |
12 lbf |
| FR1 |
0.05556" |
0.1875" |
0.0781" |
0.234" |
0.023" |
90000 rpm |
Open |
44 lbf |
12 lbf |
| SFR1-4zz |
0.07813" |
0.25" |
0.1406" |
0.296" |
0.031" |
60300 rpm |
ZZ |
49 lbf |
15 lbf |
| SFR1-4 2rs |
0.07813" |
0.25" |
0.1406" |
0.296" |
0.031" |
60300 rpm |
2RS |
49 lbf |
15 lbf |
| SFR1-4 |
0.07813" |
0.25" |
0.0937" |
0.296" |
0.023" |
60300 rpm |
Open |
49 lbf |
15 lbf |
| FR1-4zz |
0.07813" |
0.25" |
0.1406" |
0.296" |
0.031" |
67000 rpm |
ZZ |
54 lbf |
17 lbf |
| FR1-4 2rs |
0.07813" |
0.25" |
0.1406" |
0.296" |
0.031" |
67000 rpm |
2RS |
54 lbf |
17 lbf |
| FR1-4 |
0.07813" |
0.25" |
0.0937" |
0.296" |
0.023" |
67000 rpm |
Open |
54 lbf |
17 lbf |
| SFR133zz |
0.09375" |
0.1875" |
0.0937" |
0.234" |
0.031" |
72000 rpm |
ZZ |
25 lbf |
9 lbf |
| SFR133 2rs |
0.09375" |
0.1875" |
0.0937" |
0.234" |
0.031" |
72000 rpm |
2RS |
25 lbf |
9 lbf |
| SFR133 |
0.09375" |
0.1875" |
0.0625" |
0.234" |
0.018" |
72000 rpm |
Open |
32 lbf |
10 lbf |
| FR133zz |
0.09375" |
0.1875" |
0.0937" |
0.234" |
0.031" |
80000 rpm |
ZZ |
28 lbf |
10 lbf |
| FR133 2rs |
0.09375" |
0.1875" |
0.0937" |
0.234" |
0.031" |
80000 rpm |
2RS |
28 lbf |
10 lbf |
| FR133 |
0.09375" |
0.1875" |
0.0625" |
0.234" |
0.018" |
80000 rpm |
Open |
36 lbf |
11 lbf |
| SFR1-5zz |
0.09375" |
0.3125" |
0.1406" |
0.359" |
0.031" |
54000 rpm |
ZZ |
95 lbf |
29 lbf |
| SFR1-5 2rs |
0.09375" |
0.3125" |
0.1406" |
0.359" |
0.031" |
54000 rpm |
2RS |
95 lbf |
29 lbf |
| SFR1-5 |
0.09375" |
0.3125" |
0.1094" |
0.359" |
0.023" |
54000 rpm |
Open |
95 lbf |
29 lbf |
| FR1-5zz |
0.09375" |
0.3125" |
0.1406" |
0.359" |
0.031" |
60000 rpm |
ZZ |
106 lbf |
32 lbf |
| FR1-5 2rs |
0.09375" |
0.3125" |
0.1406" |
0.359" |
0.031" |
60000 rpm |
2RS |
106 lbf |
32 lbf |
| FR1-5 |
0.09375" |
0.3125" |
0.1094" |
0.359" |
0.023" |
60000 rpm |
Open |
106 lbf |
32 lbf |
| SFR144zz |
0.125" |
0.25" |
0.1094" |
0.296" |
0.031" |
60300 rpm |
ZZ |
49 lbf |
15 lbf |
| SFR144 2rs |
0.125" |
0.25" |
0.1094" |
0.296" |
0.031" |
60300 rpm |
2RS |
49 lbf |
15 lbf |
| SFR144 |
0.125" |
0.25" |
0.0937" |
0.296" |
0.023" |
60300 rpm |
Open |
49 lbf |
15 lbf |
| FR144zz |
0.125" |
0.25" |
0.1094" |
0.296" |
0.031" |
67000 rpm |
ZZ |
54 lbf |
17 lbf |
| FR144 2rs |
0.125" |
0.25" |
0.1094" |
0.296" |
0.031" |
67000 rpm |
2RS |
54 lbf |
17 lbf |
| FR144 |
0.125" |
0.25" |
0.0937" |
0.296" |
0.023" |
67000 rpm |
Open |
54 lbf |
17 lbf |
| SFR2-5zz |
0.125" |
0.3125" |
0.1406" |
0.359" |
0.031" |
54000 rpm |
ZZ |
96 lbf |
29 lbf |
| SFR2-5 2rs |
0.125" |
0.3125" |
0.1406" |
0.359" |
0.031" |
54000 rpm |
2RS |
96 lbf |
29 lbf |
| SFR2-5 |
0.125" |
0.3125" |
0.1094" |
0.359" |
0.023" |
54000 rpm |
Open |
96 lbf |
29 lbf |
| FR2-5zz |
0.125" |
0.3125" |
0.1406" |
0.359" |
0.031" |
60000 rpm |
ZZ |
107 lbf |
32 lbf |
| FR2-5 2rs |
0.125" |
0.3125" |
0.1406" |
0.359" |
0.031" |
60000 rpm |
2RS |
107 lbf |
32 lbf |
| FR2-5 |
0.125" |
0.3125" |
0.1094" |
0.359" |
0.023" |
60000 rpm |
Open |
107 lbf |
32 lbf |
| SFR2zz |
0.125" |
0.375" |
0.1562" |
0.44" |
0.030" |
50400 rpm |
ZZ |
109 lbf |
35 lbf |
| SFR2-6zz |
0.125" |
0.375" |
0.1406" |
0.422" |
0.031" |
47700 rpm |
ZZ |
110 lbf |
37 lbf |
| SFR2-6 2rs |
0.125" |
0.375" |
0.1406" |
0.422" |
0.031" |
47700 rpm |
2RS |
110 lbf |
37 lbf |
| SFR2-6 |
0.125" |
0.375" |
0.1094" |
0.422" |
0.023" |
47700 rpm |
Open |
110 lbf |
37 lbf |
| SFR2 2rs |
0.125" |
0.375" |
0.1562" |
0.44" |
0.030" |
50400 rpm |
2RS |
109 lbf |
35 lbf |
| SFR2 |
0.125" |
0.375" |
0.1562" |
0.44" |
0.030" |
50400 rpm |
Open |
109 lbf |
35 lbf |
| FR2zz |
0.125" |
0.375" |
0.1562" |
0.44" |
0.030" |
56000 rpm |
ZZ |
121 lbf |
39 lbf |
| FR2-6zz |
0.125" |
0.375" |
0.1406" |
0.422" |
0.031" |
53000 rpm |
ZZ |
122 lbf |
41 lbf |
| FR2-6 2rs |
0.125" |
0.375" |
0.1406" |
0.422" |
0.031" |
53000 rpm |
2RS |
122 lbf |
41 lbf |
| FR2-6 |
0.125" |
0.375" |
0.1094" |
0.422" |
0.023" |
53000 rpm |
Open |
122 lbf |
41 lbf |
| FR2 2rs |
0.125" |
0.375" |
0.1562" |
0.44" |
0.030" |
56000 rpm |
2RS |
121 lbf |
39 lbf |
| FR2 |
0.125" |
0.375" |
0.1562" |
0.44" |
0.030" |
56000 rpm |
Open |
121 lbf |
39 lbf |
| SFR155zz |
0.15625" |
0.3125" |
0.125" |
0.359" |
0.036" |
47700 rpm |
ZZ |
62 lbf |
24 lbf |
| SFR155 2rs |
0.15625" |
0.3125" |
0.125" |
0.359" |
0.036" |
47700 rpm |
2RS |
62 lbf |
24 lbf |
| SFR155 |
0.15625" |
0.3125" |
0.1094" |
0.359" |
0.023" |
47700 rpm |
Open |
62 lbf |
24 lbf |
| FR155zz |
0.15625" |
0.3125" |
0.125" |
0.359" |
0.036" |
53000 rpm |
ZZ |
69 lbf |
27 lbf |
| FR155 2rs |
0.15625" |
0.3125" |
0.125" |
0.359" |
0.036" |
53000 rpm |
2RS |
69 lbf |
27 lbf |
| FR155 |
0.15625" |
0.3125" |
0.1094" |
0.359" |
0.023" |
53000 rpm |
Open |
69 lbf |
27 lbf |
| SFR156zz |
0.1875" |
0.3125" |
0.125" |
0.359" |
0.036" |
47700 rpm |
ZZ |
62 lbf |
24 lbf |
| SFR156 2rs |
0.1875" |
0.3125" |
0.125" |
0.359" |
0.036" |
47700 rpm |
2RS |
62 lbf |
24 lbf |
| SFR156 |
0.1875" |
0.3125" |
0.1094" |
0.359" |
0.023" |
47700 rpm |
Open |
62 lbf |
24 lbf |
| FR156zz |
0.1875" |
0.3125" |
0.125" |
0.359" |
0.036" |
53000 rpm |
ZZ |
69 lbf |
27 lbf |
| FR156 2rs |
0.1875" |
0.3125" |
0.125" |
0.359" |
0.036" |
53000 rpm |
2RS |
69 lbf |
27 lbf |
| FR156 |
0.1875" |
0.3125" |
0.1094" |
0.359" |
0.023" |
53000 rpm |
Open |
69 lbf |
27 lbf |
| SFR166zz |
0.1875" |
0.375" |
0.125" |
0.422" |
0.031" |
45000 rpm |
ZZ |
122 lbf |
44 lbf |
| SFR166 2rs |
0.1875" |
0.375" |
0.125" |
0.422" |
0.031" |
45000 rpm |
2RS |
122 lbf |
44 lbf |
| SFR166 |
0.1875" |
0.375" |
0.125" |
0.422" |
0.023" |
45000 rpm |
Open |
122 lbf |
44 lbf |
| FR166zz |
0.1875" |
0.375" |
0.125" |
0.422" |
0.031" |
50000 rpm |
ZZ |
136 lbf |
49 lbf |
| FR166 2rs |
0.1875" |
0.375" |
0.125" |
0.422" |
0.031" |
50000 rpm |
2RS |
136 lbf |
49 lbf |
| FR166 |
0.1875" |
0.375" |
0.125" |
0.422" |
0.023" |
50000 rpm |
Open |
136 lbf |
49 lbf |
| SFR3zz |
0.1875" |
0.5" |
0.196" |
0.565" |
0.042" |
38700 rpm |
ZZ |
224 lbf |
79 lbf |
| SFR3 2rs |
0.1875" |
0.5" |
0.1906" |
0.565" |
0.042" |
38700 rpm |
2RS |
224 lbf |
79 lbf |
| SFR3 |
0.1875" |
0.5" |
0.1906" |
0.565" |
0.042" |
38700 rpm |
Open |
224 lbf |
79 lbf |
| FR3zz |
0.1875" |
0.5" |
0.196" |
0.565" |
0.042" |
43000 rpm |
ZZ |
249 lbf |
88 lbf |
| FR3 2rs |
0.1875" |
0.5" |
0.1906" |
0.565" |
0.042" |
43000 rpm |
2RS |
249 lbf |
88 lbf |
| FR3 |
0.1875" |
0.5" |
0.1906" |
0.565" |
0.042" |
43000 rpm |
Open |
249 lbf |
88 lbf |
| SFR168zz |
0.25" |
0.375" |
0.125" |
0.422" |
0.036" |
43200 rpm |
ZZ |
64 lbf |
28 lbf |
| SFR168 2rs |
0.25" |
0.375" |
0.125" |
0.422" |
0.036" |
43200 rpm |
2RS |
64 lbf |
28 lbf |
| SFR168 |
0.25" |
0.375" |
0.125" |
0.422" |
0.023" |
43200 rpm |
Open |
64 lbf |
28 lbf |
| FR168zz |
0.25" |
0.375" |
0.125" |
0.422" |
0.036" |
48000 rpm |
ZZ |
71 lbf |
31 lbf |
| FR168 2rs |
0.25" |
0.375" |
0.125" |
0.422" |
0.036" |
48000 rpm |
2RS |
71 lbf |
31 lbf |
| FR168 |
0.25" |
0.375" |
0.125" |
0.422" |
0.023" |
48000 rpm |
Open |
71 lbf |
31 lbf |
| SFR188zz |
0.25" |
0.5" |
0.1875" |
0.547" |
0.045" |
36000 rpm |
ZZ |
310 lbf |
72 lbf |
| SFR188 2rs |
0.25" |
0.5" |
0.1875" |
0.547" |
0.045" |
36000 rpm |
2RS |
310 lbf |
72 lbf |
| SFR188 |
0.25" |
0.5" |
0.125" |
0.547" |
0.023" |
36000 rpm |
Open |
310 lbf |
72 lbf |
| FR188zz |
0.25" |
0.5" |
0.1875" |
0.547" |
0.045" |
40000 rpm |
ZZ |
344 lbf |
80 lbf |
| FR188 2rs |
0.25" |
0.5" |
0.1875" |
0.547" |
0.045" |
40000 rpm |
2RS |
344 lbf |
80 lbf |
| FR188 |
0.25" |
0.5" |
0.125" |
0.547" |
0.023" |
40000 rpm |
Open |
344 lbf |
80 lbf |
| SFR4zz |
0.25" |
0.625" |
0.196" |
0.69" |
0.042" |
34200 rpm |
ZZ |
255 lbf |
101 lbf |
| SFR4 2rs |
0.25" |
0.625" |
0.196" |
0.69" |
0.042" |
34200 rpm |
2RS |
255 lbf |
101 lbf |
| SFR4 |
0.25" |
0.625" |
0.196" |
0.69" |
0.042" |
34200 rpm |
Open |
255 lbf |
101 lbf |
| FR4zz |
0.25" |
0.625" |
0.196" |
0.69" |
0.042" |
38000 rpm |
ZZ |
283 lbf |
112 lbf |
| FR4 2rs |
0.25" |
0.625" |
0.196" |
0.69" |
0.042" |
38000 rpm |
2RS |
283 lbf |
112 lbf |
| FR4 |
0.25" |
0.625" |
0.196" |
0.69" |
0.042" |
38000 rpm |
Open |
283 lbf |
112 lbf |
| SFR1810zz |
0.3125" |
0.5" |
0.1562" |
0.547" |
0.031" |
36000 rpm |
ZZ |
94 lbf |
45 lbf |
| SFR1810 2rs |
0.3125" |
0.5" |
0.1562" |
0.547" |
0.031" |
36000 rpm |
2RS |
94 lbf |
45 lbf |
| SFR1810 |
0.3125" |
0.5" |
0.1562" |
0.547" |
0.031" |
36000 rpm |
Open |
94 lbf |
45 lbf |
| FR1810zz |
0.3125" |
0.5" |
0.1562" |
0.547" |
0.031" |
40000 rpm |
ZZ |
104 lbf |
50 lbf |
| FR1810 2rs |
0.3125" |
0.5" |
0.1562" |
0.547" |
0.031" |
40000 rpm |
2RS |
104 lbf |
50 lbf |
| FR1810 |
0.3125" |
0.5" |
0.1562" |
0.547" |
0.031" |
40000 rpm |
Open |
104 lbf |
50 lbf |
| SFR6zz |
0.375" |
0.875" |
0.2812" |
0.965" |
0.062" |
28800 rpm |
ZZ |
574 lbf |
230 lbf |
| SFR6 2rs |
0.375" |
0.875" |
0.2812" |
0.965" |
0.062" |
28800 rpm |
2RS |
574 lbf |
230 lbf |
| SFR6 |
0.375" |
0.875" |
0.2188" |
0.965" |
0.062" |
28800 rpm |
Open |
574 lbf |
230 lbf |
| FR6zz |
0.375" |
0.875" |
0.2812" |
0.965" |
0.062" |
32000 rpm |
ZZ |
638 lbf |
256 lbf |
| FR6 2rs |
0.375" |
0.875" |
0.2812" |
0.965" |
0.062" |
32000 rpm |
2RS |
638 lbf |
256 lbf |
| FR6 |
0.375" |
0.875" |
0.2188" |
0.965" |
0.062" |
32000 rpm |
Open |
638 lbf |
256 lbf |
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