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System of Measurement
Bore Dia
Ring Material
For Load Direction
Outer Dia
Width
Seal Type
Balls Material
Temperature Range
Dynamic
Static
Speed (x1k rpm)
Inch Size Silicon Nitride Ceramic Bearings
154 Products
Inch Size Silicon Nitride Ceramic Bearings
High temperature resistance, stronger corrosion resistance, limit temperature 800 ℃.
Part Number
Ring
Material
Material
For Load
Direction
Direction
Bore Dia
Outer Dia
Width
Seal Type
Balls
Material
Material
Temperature
Range
Range
Dynamic
Static
Speed
(x1k rpm)
(x1k rpm)
CESI R1-5
Silicon Nitride
Radial
0.09375"
0.3125"
0.1094"
Open
Si3n4
-176 to 1472 °F
26 lbf
8 lbf
48
CESI R1-5 2RS
Silicon Nitride
Radial
0.09375"
0.3125"
0.1406"
Sealed
Si3n4
-176 to 1472 °F
26 lbf
8 lbf
48
CESI R133
Silicon Nitride
Radial
0.09375"
0.1875"
0.0625"
Open
Si3n4
-176 to 1472 °F
9 lbf
3 lbf
64
CESI R133 2RS
Silicon Nitride
Radial
0.09375"
0.1875"
0.0937"
Sealed
Si3n4
-176 to 1472 °F
7 lbf
2 lbf
64
CESI R144
Silicon Nitride
Radial
0.125"
0.25"
0.0937"
Open
Si3n4
-176 to 1472 °F
14 lbf
4 lbf
53.6
CESI R144 2RS
Silicon Nitride
Radial
0.125"
0.25"
0.1094"
Sealed
Si3n4
-176 to 1472 °F
14 lbf
4 lbf
53.6
CESI R2
Silicon Nitride
Radial
0.125"
0.375"
0.1562"
Open
Si3n4
-176 to 1472 °F
30 lbf
10 lbf
44.8
CESI R2 2RS
Silicon Nitride
Radial
0.125"
0.375"
0.1562"
Sealed
Si3n4
-176 to 1472 °F
30 lbf
10 lbf
44.8
CESI R2-5
Silicon Nitride
Radial
0.125"
0.3125"
0.1094"
Open
Si3n4
-176 to 1472 °F
27 lbf
8 lbf
48
CESI R2-5 2RS
Silicon Nitride
Radial
0.125"
0.3125"
0.1406"
Sealed
Si3n4
-176 to 1472 °F
27 lbf
8 lbf
48
CESI R2-6
Silicon Nitride
Radial
0.125"
0.375"
0.1094"
Open
Si3n4
-176 to 1472 °F
30 lbf
10 lbf
42.4
CESI R2-6 2RS
Silicon Nitride
Radial
0.125"
0.375"
0.1406"
Sealed
Si3n4
-176 to 1472 °F
30 lbf
10 lbf
42.4
CESI R2A
Silicon Nitride
Radial
0.125"
0.5"
0.1719"
Open
Si3n4
-176 to 1472 °F
30 lbf
10 lbf
42.4
CESI R2A 2RS
Silicon Nitride
Radial
0.125"
0.5"
0.1719"
Sealed
Si3n4
-176 to 1472 °F
30 lbf
10 lbf
42.4
CESI R155
Silicon Nitride
Radial
0.15625"
0.3125"
0.1094"
Open
Si3n4
-176 to 1472 °F
17 lbf
7 lbf
42.4
CESI R155 2RS
Silicon Nitride
Radial
0.15625"
0.3125"
0.125"
Sealed
Si3n4
-176 to 1472 °F
17 lbf
7 lbf
42.4
CESI 1601
Silicon Nitride
Radial
0.1875"
0.6875"
0.25"
Open
Si3n4
-176 to 1472 °F
150 lbf
55 lbf
4
CESI 1601 2RS
Silicon Nitride
Radial
0.1875"
0.6875"
0.3125"
Sealed
Si3n4
-176 to 1472 °F
150 lbf
55 lbf
4
CESI R156
Silicon Nitride
Radial
0.1875"
0.3125"
0.1094"
Open
Si3n4
-176 to 1472 °F
17 lbf
7 lbf
42.4
CESI R156 2RS
Silicon Nitride
Radial
0.1875"
0.3125"
0.125"
Sealed
Si3n4
-176 to 1472 °F
17 lbf
7 lbf
42.4
CESI R166
Silicon Nitride
Radial
0.1875"
0.375"
0.125"
Open
Si3n4
-176 to 1472 °F
34 lbf
12 lbf
40
CESI R166 2RS
Silicon Nitride
Radial
0.1875"
0.375"
0.125"
Sealed
Si3n4
-176 to 1472 °F
34 lbf
12 lbf
40
CESI R3
Silicon Nitride
Radial
0.1875"
0.5"
0.1562"
Open
Si3n4
-176 to 1472 °F
62 lbf
22 lbf
34.4
CESI R3 2RS
Silicon Nitride
Radial
0.1875"
0.5"
0.196"
Sealed
Si3n4
-176 to 1472 °F
62 lbf
22 lbf
34.4
CESI R3A
Silicon Nitride
Radial
0.1875"
0.625"
0.196"
Open
Si3n4
-176 to 1472 °F
71 lbf
28 lbf
30.4
CESI R3A 2rs
Silicon Nitride
Radial
0.1875"
0.625"
0.196"
Open
Si3n4
-176 to 1472 °F
83 lbf
33 lbf
30.4
CESI 1602
Silicon Nitride
Radial
0.25"
0.6875"
0.25"
Open
Si3n4
-176 to 1472 °F
159 lbf
60 lbf
4
CESI 1602 2RS
Silicon Nitride
Radial
0.25"
0.6875"
0.3125"
Sealed
Si3n4
-176 to 1472 °F
159 lbf
60 lbf
4
CESI R168
Silicon Nitride
Radial
0.25"
0.375"
0.125"
Open
Si3n4
-176 to 1472 °F
18 lbf
8 lbf
38.4
CESI R168 2RS
Silicon Nitride
Radial
0.25"
0.375"
0.125"
Sealed
Si3n4
-176 to 1472 °F
18 lbf
8 lbf
38.4
CESI R188
Silicon Nitride
Radial
0.25"
0.5"
0.125"
Open
Si3n4
-176 to 1472 °F
52 lbf
20 lbf
32
CESI R188 2RS
Silicon Nitride
Radial
0.25"
0.5"
0.1875"
Sealed
Si3n4
-176 to 1472 °F
52 lbf
20 lbf
32
CESI R4
Silicon Nitride
Radial
0.25"
0.625"
0.196"
Open
Si3n4
-176 to 1472 °F
71 lbf
28 lbf
30.4
CESI R4 2RS
Silicon Nitride
Radial
0.25"
0.625"
0.196"
Sealed
Si3n4
-176 to 1472 °F
71 lbf
28 lbf
30.4
CESI R4A
Silicon Nitride
Radial
0.25"
0.75"
0.2188"
Open
Si3n4
-176 to 1472 °F
112 lbf
40 lbf
28.8
CESI R4A 2RS
Silicon Nitride
Radial
0.25"
0.75"
0.2812"
Sealed
Si3n4
-176 to 1472 °F
112 lbf
40 lbf
28.8
CESI 1603
Silicon Nitride
Radial
0.3125"
0.875"
0.2812"
Open
Si3n4
-176 to 1472 °F
186 lbf
78 lbf
4
CESI 1603 2RS
Silicon Nitride
Radial
0.3125"
0.875"
0.3438"
Sealed
Si3n4
-176 to 1472 °F
186 lbf
78 lbf
4
CESI 1605
Silicon Nitride
Radial
0.3125"
0.9062"
0.3125"
Open
Si3n4
-176 to 1472 °F
186 lbf
79 lbf
4
CESI 1605 2RS
Silicon Nitride
Radial
0.3125"
0.9062"
0.3125"
Sealed
Si3n4
-176 to 1472 °F
186 lbf
79 lbf
4
CESI R1810
Silicon Nitride
Radial
0.3125"
0.5"
0.1562"
Open
Si3n4
-176 to 1472 °F
26 lbf
12 lbf
32
CESI R1810 2RS
Silicon Nitride
Radial
0.3125"
0.5"
0.1562"
Sealed
Si3n4
-176 to 1472 °F
26 lbf
12 lbf
32
CESI 1604
Silicon Nitride
Radial
0.375"
0.875"
0.2812"
Open
Si3n4
-176 to 1472 °F
188 lbf
80 lbf
4
CESI 1604 2RS
Silicon Nitride
Radial
0.375"
0.875"
0.3438"
Sealed
Si3n4
-176 to 1472 °F
188 lbf
80 lbf
4
CESI 1606
Silicon Nitride
Radial
0.375"
0.9062"
0.3125"
Open
Si3n4
-176 to 1472 °F
188 lbf
80 lbf
4
CESI 1606 2RS
Silicon Nitride
Radial
0.375"
0.9062"
0.3125"
Sealed
Si3n4
-176 to 1472 °F
188 lbf
80 lbf
4
CESI 1614
Silicon Nitride
Radial
0.375"
1.125"
0.375"
Open
Si3n4
-176 to 1472 °F
285 lbf
130 lbf
4
CESI 1614 2RS
Silicon Nitride
Radial
0.375"
1.125"
0.375"
Sealed
Si3n4
-176 to 1472 °F
285 lbf
130 lbf
4
CESI ER1038
Silicon Nitride
Radial
0.375"
0.625"
0.1562"
Open
Si3n4
-176 to 1472 °F
-
-
-
CESI ER1038 2RS
Silicon Nitride
Radial
0.375"
0.625"
0.1562"
Sealed
Si3n4
-176 to 1472 °F
-
-
-
CESI R6
Silicon Nitride
Radial
0.375"
0.875"
0.2188"
Open
Si3n4
-176 to 1472 °F
160 lbf
64 lbf
25.6
CESI R6 2RS
Silicon Nitride
Radial
0.375"
0.875"
0.2812"
Sealed
Si3n4
-176 to 1472 °F
160 lbf
64 lbf
25.6
CESI 1607
Silicon Nitride
Radial
0.4375"
0.9062"
0.3125"
Open
Si3n4
-176 to 1472 °F
254 lbf
108 lbf
4
CESI 1607 2RS
Silicon Nitride
Radial
0.4375"
0.9062"
0.3125"
Sealed
Si3n4
-176 to 1472 °F
254 lbf
108 lbf
4
CESI 1615
Silicon Nitride
Radial
0.4375"
1.125"
0.375"
Open
Si3n4
-176 to 1472 °F
286 lbf
132 lbf
4
CESI 1615 2RS
Silicon Nitride
Radial
0.4375"
1.125"
0.375"
Sealed
Si3n4
-176 to 1472 °F
286 lbf
132 lbf
4
CESI 1620
Silicon Nitride
Radial
0.4375"
1.375"
0.4375"
Open
Si3n4
-176 to 1472 °F
422 lbf
200 lbf
4
CESI 1620 2RS
Silicon Nitride
Radial
0.4375"
1.375"
0.4375"
Sealed
Si3n4
-176 to 1472 °F
422 lbf
200 lbf
4
CESI 1616
Silicon Nitride
Radial
0.5"
1.125"
0.375"
Open
Si3n4
-176 to 1472 °F
288 lbf
112 lbf
4
CESI 1616 2RS
Silicon Nitride
Radial
0.5"
1.125"
0.375"
Sealed
Si3n4
-176 to 1472 °F
288 lbf
112 lbf
4
CESI 1621
Silicon Nitride
Radial
0.5"
1.375"
0.4375"
Open
Si3n4
-176 to 1472 °F
425 lbf
204 lbf
4
CESI 1621 2RS
Silicon Nitride
Radial
0.5"
1.375"
0.4375"
Sealed
Si3n4
-176 to 1472 °F
425 lbf
204 lbf
4
CESI ER1212
Silicon Nitride
Radial
0.5"
0.75"
0.1562"
Open
Si3n4
-176 to 1472 °F
-
-
-
CESI ER1212 2RS
Silicon Nitride
Radial
0.5"
0.75"
0.1562"
Sealed
Si3n4
-176 to 1472 °F
-
-
-
CESI R8
Silicon Nitride
Radial
0.5"
1.125"
0.25"
Open
Si3n4
-176 to 1472 °F
287 lbf
128 lbf
21.6
CESI R8 2RS
Silicon Nitride
Radial
0.5"
1.125"
0.3125"
Sealed
Si3n4
-176 to 1472 °F
287 lbf
128 lbf
21.6
CESI RLS4
Silicon Nitride
Radial
0.5"
1.3125"
0.375"
Open
Si3n4
-176 to 1472 °F
409 lbf
174 lbf
25.6
CESI RLS4 2RS
Silicon Nitride
Radial
0.5"
1.3125"
0.375"
Sealed
Si3n4
-176 to 1472 °F
409 lbf
174 lbf
12
CESI RMS4
Silicon Nitride
Radial
0.5"
1.625"
0.625"
Open
Si3n4
-176 to 1472 °F
50 lbf
32 lbf
13.6
CESI 1622
Silicon Nitride
Radial
0.5625"
1.375"
0.4375"
Open
Si3n4
-176 to 1472 °F
428 lbf
206 lbf
4
CESI 1622 2RS
Silicon Nitride
Radial
0.5625"
1.375"
0.4375"
Sealed
Si3n4
-176 to 1472 °F
428 lbf
206 lbf
4
CESI 1623
Silicon Nitride
Radial
0.625"
1.375"
0.4375"
Open
Si3n4
-176 to 1472 °F
430 lbf
209 lbf
4
CESI 1623 2RS
Silicon Nitride
Radial
0.625"
1.375"
0.4375"
Sealed
Si3n4
-176 to 1472 °F
430 lbf
209 lbf
4
CESI 1628
Silicon Nitride
Radial
0.625"
1.625"
0.5"
Open
Si3n4
-176 to 1472 °F
525 lbf
274 lbf
4
CESI 1628 2RS
Silicon Nitride
Radial
0.625"
1.625"
0.5"
Sealed
Si3n4
-176 to 1472 °F
525 lbf
274 lbf
4
CESI 1633
Silicon Nitride
Radial
0.625"
1.75"
0.5"
Open
Si3n4
-176 to 1472 °F
525 lbf
280 lbf
4
CESI 1633 2RS
Silicon Nitride
Radial
0.625"
1.75"
0.5"
Sealed
Si3n4
-176 to 1472 °F
525 lbf
280 lbf
4
CESI ER1458
Silicon Nitride
Radial
0.625"
0.875"
0.1562"
Open
Si3n4
-176 to 1472 °F
-
-
-
CESI ER1458 2RS
Silicon Nitride
Radial
0.625"
0.875"
0.1562"
Sealed
Si3n4
-176 to 1472 °F
-
-
-
CESI R10
Silicon Nitride
Radial
0.625"
1.375"
0.2812"
Open
Si3n4
-176 to 1472 °F
396 lbf
184 lbf
16.8
CESI R10 2RS
Silicon Nitride
Radial
0.625"
1.375"
0.3438"
Sealed
Si3n4
-176 to 1472 °F
396 lbf
184 lbf
16.8
CESI RLS5
Silicon Nitride
Radial
0.625"
1.5625"
0.4375"
Open
Si3n4
-176 to 1472 °F
537 lbf
267 lbf
19.2
CESI RLS5 2RS
Silicon Nitride
Radial
0.625"
1.5625"
0.4375"
Sealed
Si3n4
-176 to 1472 °F
537 lbf
267 lbf
9.6
CESI RMS5
Silicon Nitride
Radial
0.625"
1.8125"
0.625"
Open
Si3n4
-176 to 1472 °F
759 lbf
368 lbf
17.6
CESI 1630
Silicon Nitride
Radial
0.75"
1.625"
0.5"
Open
Si3n4
-176 to 1472 °F
528 lbf
279 lbf
4
CESI 1630 2RS
Silicon Nitride
Radial
0.75"
1.625"
0.5"
Sealed
Si3n4
-176 to 1472 °F
528 lbf
279 lbf
4
CESI 1635
Silicon Nitride
Radial
0.75"
1.75"
0.5"
Open
Si3n4
-176 to 1472 °F
529 lbf
285 lbf
4
CESI 1635 2RS
Silicon Nitride
Radial
0.75"
1.75"
0.5"
Sealed
Si3n4
-176 to 1472 °F
529 lbf
285 lbf
4
CESI 1638
Silicon Nitride
Radial
0.75"
2"
0.5625"
Open
Si3n4
-176 to 1472 °F
568 lbf
322 lbf
4
CESI 1638 2RS
Silicon Nitride
Radial
0.75"
2"
0.5625"
Sealed
Si3n4
-176 to 1472 °F
568 lbf
322 lbf
4
CESI ER1634
Silicon Nitride
Radial
0.75"
1"
0.1562"
Open
Si3n4
-176 to 1472 °F
-
-
-
CESI ER1634 2RS
Silicon Nitride
Radial
0.75"
1"
0.1562"
Sealed
Si3n4
-176 to 1472 °F
-
-
-
CESI R12
Silicon Nitride
Radial
0.75"
1.625"
0.3125"
Open
Si3n4
-176 to 1472 °F
619 lbf
294 lbf
13.6
CESI R12 2RS
Silicon Nitride
Radial
0.75"
1.625"
0.4375"
Sealed
Si3n4
-176 to 1472 °F
619 lbf
294 lbf
13.6
CESI RLS6
Silicon Nitride
Radial
0.75"
1.875"
0.5625"
Open
Si3n4
-176 to 1472 °F
714 lbf
368 lbf
16
CESI RLS6 2RS
Silicon Nitride
Radial
0.75"
1.875"
0.5625"
Sealed
Si3n4
-176 to 1472 °F
714 lbf
368 lbf
8
CESI RMS6
Silicon Nitride
Radial
0.75"
2"
0.6875"
Open
Si3n4
-176 to 1472 °F
894 lbf
438 lbf
15.2
CESI 1640
Silicon Nitride
Radial
0.875"
2"
0.5625"
Open
Si3n4
-176 to 1472 °F
566 lbf
329 lbf
4
CESI 1640 2RS
Silicon Nitride
Radial
0.875"
2"
0.5625"
Sealed
Si3n4
-176 to 1472 °F
566 lbf
329 lbf
4
CESI R14
Silicon Nitride
Radial
0.875"
1.875"
0.375"
Open
Si3n4
-176 to 1472 °F
664 lbf
327 lbf
8