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Inch Size Miniature Ball Bearings

124 Products
Product
Number
Ring
Material
Bore Dia
Outer Dia
Width
Seal Type
Dynamic Radial
Load
Static Radial
Load
Max Speed
(X1000 rpm)
Price
R09
52100 Chrome Steel
0.04"
0.125"
0.0469"
Open
20 lbf
5 lbf
130
$ 15.00
SR09
440C Stainless Steel
0.04"
0.125"
0.0469"
Open
18 lbf
4 lbf
117
$ 18.00
R0
52100 Chrome Steel
0.04688"
0.15625"
0.0625"
Open
21 lbf
6 lbf
110
$ 14.00
SR0
440C Stainless Steel
0.04688"
0.15625"
0.0625"
Open
19 lbf
5 lbf
99
$ 16.80
R0zz
52100 Chrome Steel
0.04688"
0.15625"
0.0937"
Shielded
21 lbf
6 lbf
110
$ 14.00
SR0zz
440C Stainless Steel
0.04688"
0.15625"
0.0937"
Shielded
19 lbf
5 lbf
99
$ 16.80
R1
52100 Chrome Steel
0.05556"
0.1875"
0.0781"
Open
44 lbf
12 lbf
90
$ 13.50
SR1
440C Stainless Steel
0.05556"
0.1875"
0.0781"
Open
40 lbf
11 lbf
81
$ 16.20
R1zz
52100 Chrome Steel
0.05556"
0.1875"
0.1094"
Shielded
44 lbf
12 lbf
90
$ 13.50
SR1zz
440C Stainless Steel
0.05556"
0.1875"
0.1094"
Shielded
40 lbf
11 lbf
81
$ 16.20
R1-4
52100 Chrome Steel
0.07813"
0.25"
0.0937"
Open
54 lbf
17 lbf
67
$ 1.95
SR1-4
440C Stainless Steel
0.07813"
0.25"
0.0937"
Open
49 lbf
15 lbf
60.3
$ 2.34
R1-4 2rs
52100 Chrome Steel
0.07813"
0.25"
0.1406"
Sealed
54 lbf
17 lbf
67
$ 1.95
SR1-4 2rs
440C Stainless Steel
0.07813"
0.25"
0.1406"
Sealed
49 lbf
15 lbf
60.3
$ 2.34
R1-4zz
52100 Chrome Steel
0.07813"
0.25"
0.1406"
Shielded
54 lbf
17 lbf
67
$ 1.95
SR1-4zz
440C Stainless Steel
0.07813"
0.25"
0.1406"
Shielded
49 lbf
15 lbf
60.3
$ 2.34
R1-5
52100 Chrome Steel
0.09375"
0.3125"
0.1094"
Open
106 lbf
32 lbf
60
$ 1.45
SR1-5
440C Stainless Steel
0.09375"
0.3125"
0.1094"
Open
95 lbf
29 lbf
54
$ 1.74
R1-5 2rs
52100 Chrome Steel
0.09375"
0.3125"
0.1406"
Sealed
106 lbf
32 lbf
60
$ 1.45
SR1-5 2rs
440C Stainless Steel
0.09375"
0.3125"
0.1406"
Sealed
95 lbf
29 lbf
54
$ 1.74
R1-5zz
52100 Chrome Steel
0.09375"
0.3125"
0.1406"
Shielded
106 lbf
32 lbf
60
$ 1.45
SR1-5zz
440C Stainless Steel
0.09375"
0.3125"
0.1406"
Shielded
95 lbf
29 lbf
54
$ 1.74
R133
52100 Chrome Steel
0.09375"
0.1875"
0.0625"
Open
36 lbf
11 lbf
80
$ 1.25
SR133
440C Stainless Steel
0.09375"
0.1875"
0.0625"
Open
32 lbf
10 lbf
72
$ 1.50
R133 2rs
52100 Chrome Steel
0.09375"
0.1875"
0.0937"
Sealed
28 lbf
10 lbf
80
$ 1.25
SR133 2rs
440C Stainless Steel
0.09375"
0.1875"
0.0937"
Sealed
25 lbf
9 lbf
72
$ 1.50
R133zz
52100 Chrome Steel
0.09375"
0.1875"
0.0937"
Shielded
28 lbf
10 lbf
80
$ 1.25
SR133zz
440C Stainless Steel
0.09375"
0.1875"
0.0937"
Shielded
25 lbf
9 lbf
72
$ 1.50
R144
52100 Chrome Steel
0.125"
0.25"
0.0937"
Open
54 lbf
17 lbf
67
$ 1.15
SR144
440C Stainless Steel
0.125"
0.25"
0.0937"
Open
49 lbf
15 lbf
60.3
$ 1.38
R144 2rs
52100 Chrome Steel
0.125"
0.25"
0.1094"
Sealed
54 lbf
17 lbf
67
$ 1.15
SR144 2rs
440C Stainless Steel
0.125"
0.25"
0.1094"
Sealed
49 lbf
15 lbf
60.3
$ 1.38
R144zz
52100 Chrome Steel
0.125"
0.25"
0.1094"
Shielded
54 lbf
17 lbf
67
$ 1.15
SR144zz
440C Stainless Steel
0.125"
0.25"
0.1094"
Shielded
49 lbf
15 lbf
60.3
$ 1.38
R2
52100 Chrome Steel
0.125"
0.375"
0.1562"
Open
121 lbf
39 lbf
56
$ 1.15
SR2
440C Stainless Steel
0.125"
0.375"
0.1562"
Open
109 lbf
35 lbf
50.4
$ 1.38
R2 2rs
52100 Chrome Steel
0.125"
0.375"
0.1562"
Sealed
121 lbf
39 lbf
56
$ 1.15
SR2 2rs
440C Stainless Steel
0.125"
0.375"
0.1562"
Sealed
109 lbf
35 lbf
50.4
$ 1.38
R2-5
52100 Chrome Steel
0.125"
0.3125"
0.1094"
Open
107 lbf
32 lbf
60
$ 1.15
SR2-5
440C Stainless Steel
0.125"
0.3125"
0.1094"
Open
96 lbf
29 lbf
54
$ 1.38
R2-5 2rs
52100 Chrome Steel
0.125"
0.3125"
0.1406"
Sealed
107 lbf
32 lbf
60
$ 1.15
SR2-5 2rs
440C Stainless Steel
0.125"
0.3125"
0.1406"
Sealed
96 lbf
29 lbf
54
$ 1.38
R2-5zz
52100 Chrome Steel
0.125"
0.3125"
0.1406"
Shielded
107 lbf
32 lbf
60
$ 1.15
SR2-5zz
440C Stainless Steel
0.125"
0.3125"
0.1406"
Shielded
96 lbf
29 lbf
54
$ 1.38
R2-6
52100 Chrome Steel
0.125"
0.375"
0.1094"
Open
122 lbf
41 lbf
53
$ 1.15
SR2-6
440C Stainless Steel
0.125"
0.375"
0.1094"
Open
110 lbf
37 lbf
47.7
$ 1.38
R2-6 2rs
52100 Chrome Steel
0.125"
0.375"
0.1406"
Sealed
122 lbf
41 lbf
53
$ 1.15
SR2-6 2rs
440C Stainless Steel
0.125"
0.375"
0.1406"
Sealed
110 lbf
37 lbf
47.7
$ 1.38
R2-6zz
52100 Chrome Steel
0.125"
0.375"
0.1406"
Shielded
122 lbf
41 lbf
53
$ 1.15
SR2-6zz
440C Stainless Steel
0.125"
0.375"
0.1406"
Shielded
110 lbf
37 lbf
47.7
$ 1.38
R2A
52100 Chrome Steel
0.125"
0.5"
0.1719"
Open
122 lbf
41 lbf
53
$ 1.15
SR2A
440C Stainless Steel
0.125"
0.5"
0.1719"
Open
110 lbf
37 lbf
47.7
$ 1.38
R2A 2rs
52100 Chrome Steel
0.125"
0.5"
0.1719"
Sealed
122 lbf
41 lbf
53
$ 1.15
SR2A 2rs
440C Stainless Steel
0.125"
0.5"
0.1719"
Sealed
110 lbf
37 lbf
47.7
$ 1.38
R2Azz
52100 Chrome Steel
0.125"
0.5"
0.1719"
Shielded
122 lbf
41 lbf
53
$ 1.15
SR2Azz
440C Stainless Steel
0.125"
0.5"
0.1719"
Shielded
110 lbf
37 lbf
47.7
$ 1.38
R2zz
52100 Chrome Steel
0.125"
0.375"
0.1562"
Shielded
121 lbf
39 lbf
56
$ 1.15
SR2zz
440C Stainless Steel
0.125"
0.375"
0.1562"
Shielded
109 lbf
35 lbf
50.4
$ 1.38
R155
52100 Chrome Steel
0.15625"
0.3125"
0.1094"
Open
69 lbf
27 lbf
53
$ 1.15
SR155
440C Stainless Steel
0.15625"
0.3125"
0.1094"
Open
62 lbf
24 lbf
47.7
$ 1.38
R155 2rs
52100 Chrome Steel
0.15625"
0.3125"
0.125"
Sealed
69 lbf
27 lbf
53
$ 1.15
SR155 2rs
440C Stainless Steel
0.15625"
0.3125"
0.125"
Sealed
62 lbf
24 lbf
47.7
$ 1.38
R155zz
52100 Chrome Steel
0.15625"
0.3125"
0.125"
Shielded
69 lbf
27 lbf
53
$ 1.15
SR155zz
440C Stainless Steel
0.15625"
0.3125"
0.125"
Shielded
62 lbf
24 lbf
47.7
$ 1.38
R156
52100 Chrome Steel
0.1875"
0.3125"
0.1094"
Open
69 lbf
27 lbf
53
$ 1.15
SR156
440C Stainless Steel
0.1875"
0.3125"
0.1094"
Open
62 lbf
24 lbf
47.7
$ 1.38
R156 2rs
52100 Chrome Steel
0.1875"
0.3125"
0.125"
Sealed
69 lbf
27 lbf
53
$ 1.15
SR156 2rs
440C Stainless Steel
0.1875"
0.3125"
0.125"
Sealed
62 lbf
24 lbf
47.7
$ 1.38
R156zz
52100 Chrome Steel
0.1875"
0.3125"
0.125"
Shielded
69 lbf
27 lbf
53
$ 1.15
SR156zz
440C Stainless Steel
0.1875"
0.3125"
0.125"
Shielded
62 lbf
24 lbf
47.7
$ 1.38
R166
52100 Chrome Steel
0.1875"
0.375"
0.125"
Open
136 lbf
49 lbf
50
$ 1.15
SR166
440C Stainless Steel
0.1875"
0.375"
0.125"
Open
122 lbf
44 lbf
45
$ 1.38
R166 2rs
52100 Chrome Steel
0.1875"
0.375"
0.125"
Sealed
136 lbf
49 lbf
50
$ 1.15
SR166 2rs
440C Stainless Steel
0.1875"
0.375"
0.125"
Sealed
122 lbf
44 lbf
45
$ 1.38
R166zz
52100 Chrome Steel
0.1875"
0.375"
0.125"
Shielded
136 lbf
49 lbf
50
$ 1.15
SR166zz
440C Stainless Steel
0.1875"
0.375"
0.125"
Shielded
122 lbf
44 lbf
45
$ 1.38
R3
52100 Chrome Steel
0.1875"
0.5"
0.1562"
Open
249 lbf
88 lbf
43
$ 0.95
SR3
440C Stainless Steel
0.1875"
0.5"
0.1562"
Open
224 lbf
79 lbf
38.7
$ 1.14
R3 2rs
52100 Chrome Steel
0.1875"
0.5"
0.196"
Sealed
249 lbf
88 lbf
43
$ 0.95
SR3 2rs
440C Stainless Steel
0.1875"
0.5"
0.196"
Sealed
224 lbf
79 lbf
38.7
$ 1.14
R3A
52100 Chrome Steel
0.1875"
0.625"
0.196"
Open
283 lbf
112 lbf
38
$ 0.95
SR3A
440C Stainless Steel
0.1875"
0.625"
0.196"
Open
255 lbf
101 lbf
34.2
$ 1.14
R3A 2rs
52100 Chrome Steel
0.1875"
0.625"
0.196"
Open
333 lbf
131 lbf
38
$ 0.95
SR3A 2rs
440C Stainless Steel
0.1875"
0.625"
0.196"
Open
300 lbf
118 lbf
34.2
$ 1.14
R3Azz
52100 Chrome Steel
0.1875"
0.625"
0.196"
Shielded
283 lbf
112 lbf
38
$ 0.95
SR3Azz
440C Stainless Steel
0.1875"
0.625"
0.196"
Shielded
255 lbf
101 lbf
34.2
$ 1.14
R3zz
52100 Chrome Steel
0.1875"
0.5"
0.196"
Shielded
249 lbf
88 lbf
43
$ 0.95
SR3zz
440C Stainless Steel
0.1875"
0.5"
0.196"
Shielded
224 lbf
79 lbf
38.7
$ 1.14
R168
52100 Chrome Steel
0.25"
0.375"
0.125"
Open
71 lbf
31 lbf
48
$ 1.15
SR168
440C Stainless Steel
0.25"
0.375"
0.125"
Open
64 lbf
28 lbf
43.2
$ 1.38
R168 2rs
52100 Chrome Steel
0.25"
0.375"
0.125"
Sealed
71 lbf
31 lbf
48
$ 1.15
SR168 2rs
440C Stainless Steel
0.25"
0.375"
0.125"
Sealed
64 lbf
28 lbf
43.2
$ 1.38
R168zz
52100 Chrome Steel
0.25"
0.375"
0.125"
Shielded
71 lbf
31 lbf
48
$ 1.15
SR168zz
440C Stainless Steel
0.25"
0.375"
0.125"
Shielded
64 lbf
28 lbf
43.2
$ 1.38
R188
52100 Chrome Steel
0.25"
0.5"
0.125"
Open
207 lbf
80 lbf
40
$ 1.15
SR188
440C Stainless Steel
0.25"
0.5"
0.125"
Open
186 lbf
72 lbf
36
$ 1.38
R188 2rs
52100 Chrome Steel
0.25"
0.5"
0.1875"
Sealed
207 lbf
80 lbf
40
$ 1.15
SR188 2rs
440C Stainless Steel
0.25"
0.5"
0.1875"
Sealed
186 lbf
72 lbf
36
$ 1.38
R188zz
52100 Chrome Steel
0.25"
0.5"
0.1875"
Shielded
207 lbf
80 lbf
40
$ 1.15
SR188zz
440C Stainless Steel
0.25"
0.5"
0.1875"
Shielded
186 lbf
72 lbf
36
$ 1.38
Product Categories

Inch Standard

Inch Size Miniature Ball Bearings
Product Number Ring Material Bore Dia Outer Dia
R09 52100 Chrome Steel 0.04" 0.125"
SR09 440C Stainless Steel 0.04" 0.125"
R0 52100 Chrome Steel 0.04688" 0.15625"
SR0 440C Stainless Steel 0.04688" 0.15625"
R0zz 52100 Chrome Steel 0.04688" 0.15625"
SR0zz 440C Stainless Steel 0.04688" 0.15625"
R1 52100 Chrome Steel 0.05556" 0.1875"
SR1 440C Stainless Steel 0.05556" 0.1875"
R1zz 52100 Chrome Steel 0.05556" 0.1875"
SR1zz 440C Stainless Steel 0.05556" 0.1875"
R1-4 52100 Chrome Steel 0.07813" 0.25"
SR1-4 440C Stainless Steel 0.07813" 0.25"
R1-4 2rs 52100 Chrome Steel 0.07813" 0.25"
SR1-4 2rs 440C Stainless Steel 0.07813" 0.25"
R1-4zz 52100 Chrome Steel 0.07813" 0.25"
SR1-4zz 440C Stainless Steel 0.07813" 0.25"
R1-5 52100 Chrome Steel 0.09375" 0.3125"
SR1-5 440C Stainless Steel 0.09375" 0.3125"
R1-5 2rs 52100 Chrome Steel 0.09375" 0.3125"
SR1-5 2rs 440C Stainless Steel 0.09375" 0.3125"
R1-5zz 52100 Chrome Steel 0.09375" 0.3125"
SR1-5zz 440C Stainless Steel 0.09375" 0.3125"
R133 52100 Chrome Steel 0.09375" 0.1875"
SR133 440C Stainless Steel 0.09375" 0.1875"
R133 2rs 52100 Chrome Steel 0.09375" 0.1875"
SR133 2rs 440C Stainless Steel 0.09375" 0.1875"
R133zz 52100 Chrome Steel 0.09375" 0.1875"
SR133zz 440C Stainless Steel 0.09375" 0.1875"
R144 52100 Chrome Steel 0.125" 0.25"
SR144 440C Stainless Steel 0.125" 0.25"
R144 2rs 52100 Chrome Steel 0.125" 0.25"
SR144 2rs 440C Stainless Steel 0.125" 0.25"
R144zz 52100 Chrome Steel 0.125" 0.25"
SR144zz 440C Stainless Steel 0.125" 0.25"
R2 52100 Chrome Steel 0.125" 0.375"
SR2 440C Stainless Steel 0.125" 0.375"
R2 2rs 52100 Chrome Steel 0.125" 0.375"
SR2 2rs 440C Stainless Steel 0.125" 0.375"
R2-5 52100 Chrome Steel 0.125" 0.3125"
SR2-5 440C Stainless Steel 0.125" 0.3125"
R2-5 2rs 52100 Chrome Steel 0.125" 0.3125"
SR2-5 2rs 440C Stainless Steel 0.125" 0.3125"
R2-5zz 52100 Chrome Steel 0.125" 0.3125"
SR2-5zz 440C Stainless Steel 0.125" 0.3125"
R2-6 52100 Chrome Steel 0.125" 0.375"
SR2-6 440C Stainless Steel 0.125" 0.375"
R2-6 2rs 52100 Chrome Steel 0.125" 0.375"
SR2-6 2rs 440C Stainless Steel 0.125" 0.375"
R2-6zz 52100 Chrome Steel 0.125" 0.375"
SR2-6zz 440C Stainless Steel 0.125" 0.375"
R2A 52100 Chrome Steel 0.125" 0.5"
SR2A 440C Stainless Steel 0.125" 0.5"
R2A 2rs 52100 Chrome Steel 0.125" 0.5"
SR2A 2rs 440C Stainless Steel 0.125" 0.5"
R2Azz 52100 Chrome Steel 0.125" 0.5"
SR2Azz 440C Stainless Steel 0.125" 0.5"
R2zz 52100 Chrome Steel 0.125" 0.375"
SR2zz 440C Stainless Steel 0.125" 0.375"
R155 52100 Chrome Steel 0.15625" 0.3125"
SR155 440C Stainless Steel 0.15625" 0.3125"
R155 2rs 52100 Chrome Steel 0.15625" 0.3125"
SR155 2rs 440C Stainless Steel 0.15625" 0.3125"
R155zz 52100 Chrome Steel 0.15625" 0.3125"
SR155zz 440C Stainless Steel 0.15625" 0.3125"
R156 52100 Chrome Steel 0.1875" 0.3125"
SR156 440C Stainless Steel 0.1875" 0.3125"
R156 2rs 52100 Chrome Steel 0.1875" 0.3125"
SR156 2rs 440C Stainless Steel 0.1875" 0.3125"
R156zz 52100 Chrome Steel 0.1875" 0.3125"
SR156zz 440C Stainless Steel 0.1875" 0.3125"
R166 52100 Chrome Steel 0.1875" 0.375"
SR166 440C Stainless Steel 0.1875" 0.375"
R166 2rs 52100 Chrome Steel 0.1875" 0.375"
SR166 2rs 440C Stainless Steel 0.1875" 0.375"
R166zz 52100 Chrome Steel 0.1875" 0.375"
SR166zz 440C Stainless Steel 0.1875" 0.375"
R3 52100 Chrome Steel 0.1875" 0.5"
SR3 440C Stainless Steel 0.1875" 0.5"
R3 2rs 52100 Chrome Steel 0.1875" 0.5"
SR3 2rs 440C Stainless Steel 0.1875" 0.5"
R3A 52100 Chrome Steel 0.1875" 0.625"
SR3A 440C Stainless Steel 0.1875" 0.625"
R3A 2rs 52100 Chrome Steel 0.1875" 0.625"
SR3A 2rs 440C Stainless Steel 0.1875" 0.625"
R3Azz 52100 Chrome Steel 0.1875" 0.625"
SR3Azz 440C Stainless Steel 0.1875" 0.625"
R3zz 52100 Chrome Steel 0.1875" 0.5"
SR3zz 440C Stainless Steel 0.1875" 0.5"
R168 52100 Chrome Steel 0.25" 0.375"
SR168 440C Stainless Steel 0.25" 0.375"
R168 2rs 52100 Chrome Steel 0.25" 0.375"
SR168 2rs 440C Stainless Steel 0.25" 0.375"
R168zz 52100 Chrome Steel 0.25" 0.375"
SR168zz 440C Stainless Steel 0.25" 0.375"
R188 52100 Chrome Steel 0.25" 0.5"
SR188 440C Stainless Steel 0.25" 0.5"
R188 2rs 52100 Chrome Steel 0.25" 0.5"
SR188 2rs 440C Stainless Steel 0.25" 0.5"
R188zz 52100 Chrome Steel 0.25" 0.5"
SR188zz 440C Stainless Steel 0.25" 0.5"