System of Measurement
Outer Dia
0.1875"
0.25"
0.3125"
0.375"
0.5"
0.625"
0.6875"
0.75"
0.875"
0.9062"
1"
1.125"
1.3125"
1.375"
1.5625"
1.625"
1.75"
1.8125"
1.875"
2"
2.125"
2.25"
2.5"
2.5625"
2.625"
2.75"
2.8125"
3"
3.125"
3.25"
3.5"
3.75"
4"
4.25"
4.5"
5"
5.5"
5.75"
6.25"
6.5"
7"
8.125"
8.5"
9.375"
4 mm
5 mm
6 mm
7 mm
8 mm
9 mm
10 mm
11 mm
12 mm
13 mm
14 mm
15 mm
16 mm
17 mm
18 mm
19 mm
20 mm
21 mm
22 mm
23 mm
24 mm
25 mm
26 mm
27 mm
28 mm
30 mm
32 mm
35 mm
37 mm
40 mm
42 mm
44 mm
47 mm
50 mm
52 mm
55 mm
58 mm
62 mm
65 mm
68 mm
72 mm
75 mm
78 mm
80 mm
85 mm
90 mm
95 mm
100 mm
105 mm
110 mm
115 mm
120 mm
125 mm
130 mm
140 mm
145 mm
150 mm
160 mm
170 mm
180 mm
190 mm
200 mm
210 mm
215 mm
225 mm
230 mm
240 mm
250 mm
260 mm
270 mm
280 mm
290 mm
300 mm
310 mm
320 mm
340 mm
360 mm
380 mm
400 mm
420 mm
440 mm
460 mm
480 mm
500 mm
520 mm
540 mm
560 mm
600 mm
620 mm
650 mm
680 mm
700 mm
720 mm
730 mm
760 mm
780 mm
820 mm
920 mm
980 mm
1000 mm
1030 mm
1080 mm
1150 mm
1220 mm
1500 mm
Max Speed (X1000 rpm)
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
0.13
0.14
0.15
0.16
0.17
0.18
0.19
0.2
0.23
0.25
0.26
0.28
0.31
0.35
0.36
0.4
0.41
0.42
0.44
0.47
0.48
0.5
0.52
0.54
0.6
0.63
0.66
0.68
0.7
0.72
0.76
0.77
0.8
0.84
0.88
0.91
0.96
0.98
1.04
1.05
1.12
1.19
1.2
1.26
1.28
1.33
1.36
1.4
1.44
1.52
1.54
1.6
1.68
1.76
1.82
1.92
1.96
2
2.03
2.08
2.1
2.24
2.31
2.32
2.38
2.4
2.45
2.52
2.56
2.64
2.66
2.72
2.73
2.8
2.88
2.94
3
3.01
3.04
3.08
3.12
3.15
3.2
3.22
3.36
3.44
3.5
3.52
3.6
3.68
3.71
3.78
3.84
3.92
4
4.06
4.2
4.24
4.32
4.41
4.48
4.64
4.69
4.8
4.83
4.9
4.97
5
5.04
5.18
5.25
5.36
5.39
5.46
5.52
5.6
5.67
5.68
5.76
5.81
5.88
5.92
5.95
6
6.02
6.16
6.24
6.3
6.4
6.44
6.48
6.64
6.65
6.72
6.79
6.8
6.88
7
7.2
7.36
7.6
7.68
7.7
7.76
8
8.4
8.8
9
9.1
9.6
9.8
10
10.4
10.5
11
11.2
11.9
12
12.6
12.8
13
13.3
13.6
14
14.4
14.7
15
15.2
15.4
16
16.1
16.8
17
17.5
17.6
18
18.2
18.4
18.9
19
19.2
19.6
20
20.3
20.8
21
21.6
21.7
22
22.4
23.1
23.2
23.8
24
24.8
25
25.2
25.6
26.4
26.6
27
27.2
28
28.8
30.1
30.4
31.5
32
33.6
34.4
35
36
37.1
38.4
39.2
40
42
42.4
44.1
44.8
46.9
48
49.7
50.4
52.5
53.6
56
56.8
59.5
60
64
68
68.6
78.4
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High Temperature Bearings

2253 Products

Alloy Steel Material

MAX 250°C (482°F)
MAX 250°C (482°F)
Alloy steel material bearing using a graphite-based lubricant that can operate at high temperatures, the surface of the bearing is treated with manganese phosphate .Range in bore diameters from 12 mm to 100 mm.
MAX 350°C (662°F)
MAX 350°C (662°F)
Alloy steel material bearing using a graphite-based lubricant that can operate at high temperatures, the surface of the bearing is treated with manganese phosphate .Range in bore diameters from 12 mm to 120 mm.

Zirconia

Inch Size Zirconia MAX 400°C (752°F)
Inch Size Zirconia MAX 400°C (752°F)
Zirconia is inert to corrosive materials, with the exception of hydrofloric acid and hot concentrated sulfuric acid.Range in bore diameters from 0.09375 inch to 4.5 inches.
Metric Size Zirconia MAX 400°C (752°F)
Metric Size Zirconia MAX 400°C (752°F)
Zirconia is inert to corrosive materials, with the exception of hydrofloric acid and hot concentrated sulfuric acid.Range in bore diameters from 2 mm to 1060 mm.

Silicon Nitride

Inch Size Silicon Nitride MAX 800°C (1472°F)
Inch Size Silicon Nitride MAX 800°C (1472°F)
Silicon Nitride ceramic bearings have a high heat resistance with low friction.Range in bore diameters from 0.09375 inch to 4.5 inches.
Metric Size Silicon Nitride MAX 800°C (1472°F)
Metric Size Silicon Nitride MAX 800°C (1472°F)
Silicon Nitride ceramic bearings have a high heat resistance with low friction.Range in bore diameters from 0.09375 inch to 4.5 inches.

Silicon Carbide

Inch Size Silicon Carbide MAX 1200°C (2192°F)
Inch Size Silicon Carbide MAX 1200°C (2192°F)
Silicon Carbide delivers incredibly high corrosion-resistance.Range in bore diameters from 0.09375 inch to 4.5 inches.
Metric Size Silicon Carbide MAX 1200°C (2192°F)
Metric Size Silicon Carbide MAX 1200°C (2192°F)
Silicon Carbide delivers incredibly high corrosion-resistance.Range in bore diameters from 2 mm to 1060 mm.