System of Measurement
Outer Dia
0.125"
0.15625"
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"
2.5 mm
3 mm
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
Width
0.0469"
0.0625"
0.0781"
0.0937"
0.1094"
0.125"
0.1406"
0.1562"
0.1719"
0.1875"
0.196"
0.2188"
0.25"
0.2812"
0.3125"
0.3438"
0.375"
0.4375"
0.5"
0.5625"
0.625"
0.6875"
0.75"
0.8125"
0.875"
0.9375"
1.0625"
1.125"
1.25"
1.375"
1.5625"
1.75"
2"
1 mm
1.2 mm
1.5 mm
1.6 mm
1.8 mm
2 mm
2.3 mm
2.5 mm
2.6 mm
2.8 mm
3 mm
3.5 mm
4 mm
4.5 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
29 mm
30 mm
31 mm
32 mm
33 mm
34 mm
35 mm
36 mm
37 mm
38 mm
39 mm
40 mm
41 mm
42 mm
43 mm
44 mm
45 mm
46 mm
47 mm
48 mm
49 mm
50 mm
51 mm
52 mm
54 mm
55 mm
56 mm
57 mm
58 mm
62 mm
65 mm
68 mm
72 mm
74 mm
75 mm
78 mm
80 mm
82 mm
85 mm
88 mm
90 mm
94 mm
95 mm
100 mm
115 mm
118 mm
128 mm
136 mm
140 mm
150 mm
155 mm
160 mm
165 mm
195 mm
Max Speed (X1000 rpm)
1.51
1.58
1.75
1.86
2.10
2.15
2.21
2.25
2.45
2.50
2.63
2.65
2.80
2.98
3.00
3.15
3.33
3.50
3.75
3.85
3.87
4.00
4.05
4.20
4.25
4.5
4.50
4.55
4.75
4.77
4.90
5.00
5.25
5.4
5.50
5.60
5.67
5.95
6.00
6.30
6.3
6.50
6.65
6.75
7.00
7.2
7.35
7.50
7.65
7.70
8.00
8.1
8.40
8.50
8.5
8.55
9.00
9
9.10
9.45
9.50
9.9
10
10.00
10.50
10.8
11.00
11.20
11.2
11.7
12
12.00
12.6
13.00
13.3
13.50
13.5
14
14.4
15
15.05
15.3
16.00
16
16.2
16.8
17.1
17.5
18
18.55
18.9
19
19.6
19.8
20
21
21.5
21.6
23.4
23.45
24
24.3
25
26.5
28
28.8
30
31.5
32.4
33.5
34.2
36
38.5
38.7
40
43.2
45
45.5
47.7
50.4
54
55
60.3
65
72
81
99
117
0.18
0.21
0.22
0.23
0.25
0.26
0.30
0.32
0.33
0.35
0.38
0.39
0.42
0.45
0.46
0.48
0.49
0.50
0.53
0.54
0.55
0.56
0.57
0.6
0.60
0.63
0.65
0.67
0.68
0.70
0.75
0.76
0.77
0.80
0.81
0.84
0.85
0.86
0.9
0.90
0.91
0.95
0.98
0.99
1
1.00
1.02
1.05
1.08
1.10
1.12
1.16
1.17
1.19
1.20
1.23
1.26
1.30
1.33
1.35
1.37
1.40
1.44
1.45
1.47
1.50
1.51
1.53
1.54
1.58
1.60
1.61
1.62
1.65
1.68
1.70
1.71
1.75
1.8
1.80
1.86
1.89
1.90
1.95
1.96
1.98
2
2.00
2.03
2.10
2.15
2.16
2.20
2.21
2.25
2.30
2.34
2.35
2.40
2.42
2.45
2.49
2.50
2.52
2.59
2.61
2.63
2.65
2.70
2.7
2.73
2.80
2.84
2.88
2.90
2.91
2.94
2.97
2.98
3.00
3
3.01
3.06
3.15
3.2
3.22
3.24
3.35
3.36
3.40
3.42
3.45
3.50
3.5
3.51
3.55
3.6
3.60
3.69
3.70
3.75
3.78
3.85
3.87
3.90
3.9
3.96
4
4.05
4.14
4.15
4.20
4.25
4.30
4.32
4.4
4.5
4.50
4.55
4.6
4.60
4.77
4.80
4.8
4.85
4.86
4.90
5.00
5
5.04
5.1
5.22
5.25
5.4
5.50
5.67
5.8
5.95
6.00
6
6.03
6.21
6.30
6.3
6.39
6.48
6.50
6.65
6.66
6.75
6.8
6.84
6.93
7
7.00
7.02
7.29
7.3
7.35
7.47
7.471
7.50
7.56
7.6
7.65
7.70
7.74
8
8.01
8.05
8.1
8.28
8.4
8.40
8.46
8.50
8.6
8.64
8.73
8.75
9.00
9
9.10
9.45
9.50
9.8
9.9
10.00
10
10.15
10.5
10.50
10.8
10.85
11.00
11
11.2
11.50
11.55
11.7
11.9
12
12.00
12.50
12.6
13.00
13
13.3
13.50
13.5
14
14.4
14.50
15
15.05
15.3
15.50
15.75
16
16.2
16.50
16.8
17
17.1
17.5
18
18.55
18.9
18.92
19
19.6
19.8
20
20.7
21
21.5
21.6
22.05
22.5
22.75
23.4
24
24.3
24.85
25
25.2
26.1
26.25
26.5
27
27.9
27.92
28
28.8
29.7
29.75
30
30.6
31.5
32.4
32.5
34.2
35
35.5
36
37.5
38.111
38.7
40.5
40.833
42.5
43.2
45
45.5
47.7
49.778
50
50.4
50.556
54
54.444
56.7
58.333
58.5
63.9
65
67.5
71.111
72.222
76.5
90
98
105
117
128
130
Product Categories / Ball Bearings / Stainless Steel Ball Bearings /
Product Categories / Stainless Steel Bearings / Stainless Steel Ball Bearings /

Stainless Steel Ball Bearings

3132 Products

AISI440C Stainless Steel Ball Bearings

Inch Size AISI440C Steel Ball Bearings
Inch Size AISI440C Steel Ball Bearings
Corrosion resistant, heavy load, high rpm. Range in bore diameters from 0.04 inch to 4.5 inches.
Metric Size AISI440C Steel Ball Bearings
Metric Size AISI440C Steel Ball Bearings
Corrosion resistant, heavy load, high rpm. Range in bore diameters from 0.06 mm to 1060 mm.

AISI304 Stainless Steel Ball Bearings

Inch Size AISI304 Steel Ball Bearings
Inch Size AISI304 Steel Ball Bearings
Better corrosion resistance than 440, lighter loads, lower speed. Range in bore diameters from 0.04 inch to 4.5 inches.
Metric Size AISI304 Steel Ball Bearings
Metric Size AISI304 Steel Ball Bearings
Better corrosion resistance than 440, lighter loads, lower speed. Range in bore diameters from 0.06 mm to 1060 mm.

AISI316L Stainless Steel Ball Bearings

Inch Size AISI316L Steel Ball Bearings
Inch Size AISI316L Steel Ball Bearings
Best corrosion resistance, light load, low speed. Range in bore diameters from 0.04 inch to 4.5 inches.
Metric Size AISI316L Steel Ball Bearings
Metric Size AISI316L Steel Ball Bearings
Best corrosion resistance, light load, low speed. Range in bore diameters from 0.06 mm to 1060 mm.

Stainless Steel Ball

Stainless Steel Balls
Stainless Steel Balls
Material 304,316L,440C Stainless Steel

Stainless Steel Ball Bearings

Stainless steel ball bearings are a crucial component in a wide range of equipment and machines. Known for their high performance and durability, stainless steel ball bearings are very common in a variety of industries. 


Advantages of Stainless Steel Ball Bearings

  • Corrosion Resistance: Ideal solution for applications in harsh environments, as other bearings are prone to rust or corrode in other forms.
  • Durability: Can withstand heavy loads in challenging conditions
  • Low Friction: Extended lifespan with their low friction design to minimize wear and tear
  • Versatility: Offer High accuracy and versatility to be used in a wide variety of applications


Types of Stainless Steel Ball Bearings

  • 440C Stainless Steel Bearings: Most commonly used type of stainless steel ball bearing. Offers high resistance to corrosion as well as has high strength and hardness
  • 316 Stainless Steel Bearings: Great for applications that require a high load capacity and good corrosion resistance
  • 304 Stainless Steel Bearings: Known for excellent corrosion resistance and popular choice of stainless steel bearings in the food and beverage industry


Applications of Stainless Steel Ball Bearings

  • Food and Beverage Industry: Commonly used in equipment that is in high contact with food dur their high corrosion resistance and ability to withstand high temperatures
  • Marine and Offshore Applications: Used in applications that are made to withstand harsh environmental conditions such as saltwater, humidity, and corrosive materials
  • Chemical and Pharmaceutical Industry: Used in machinery that processes highly corrosive liquids and chemicals
  • Medical Equipment: used to provide smooth and accurate imaging in applications such as CT scans and MRI machines
  • Aerospace and Defense Industry: Used in high stress, high speed applications such as aircraft engines, weapon systems, and other critical components


Maintenance of Stainless Steel Ball Bearings

To ensure longevity and performance of stainless steel ball bearings, proper lubrication and maintenance is critical. Reduce wear and friction by lubricating the bearing with the appropriate lubricant for the application. Additionally, it is important to keep the bearings clean and to handle them carefully to prevent damage. A maintenance schedule should also be established to ensure that the bearings are inspected and maintained on a regular basis.


Conclusion

Stainless steel ball bearings are a versatile and highly effective solution for a wide range of applications. With their high resistance to corrosion, durability, and low friction, they are an ideal choice for many industries. However, proper maintenance and lubrication is critical to ensure their longevity and performance. If you are in need of bearings for your equipment, consider stainless steel ball bearings for their many advantages and applications.

For more information on materials, take a look at our materials page.