Bearing Size Chart
Inch dimensions are rounded to the nearest thousandth. ID is inside diameter, OD is outside diameter.
Not all sizes listed are available or in stock. Some bearings are listed for reference only.
| Bearing Number |
ID (MM) |
OD (MM) |
Width (MM) |
ID (inch) |
OD (inch) |
Width (inch) |
| 6000 |
10 |
26 |
8 |
0.394 |
1.024 |
0.315 |
| 6001 |
12 |
28 |
8 |
0.472 |
1.102 |
0.315 |
| 6002 |
15 |
32 |
9 |
0.591 |
1.260 |
0.354 |
| 6003 |
17 |
35 |
10 |
0.669 |
1.378 |
0.394 |
| 6004 |
20 |
42 |
12 |
0.787 |
1.654 |
0.472 |
| 6005 |
25 |
47 |
12 |
0.984 |
1.850 |
0.472 |
| 6006 |
30 |
55 |
13 |
1.181 |
2.165 |
0.512 |
| 6007 |
35 |
62 |
14 |
1.378 |
2.441 |
0.551 |
| 6008 |
40 |
68 |
15 |
1.575 |
2.677 |
0.591 |
| 6009 |
45 |
75 |
16 |
1.772 |
2.953 |
0.630 |
| 6010 |
50 |
80 |
16 |
1.969 |
3.150 |
0.630 |
| 6011 |
55 |
90 |
18 |
2.165 |
3.543 |
0.709 |
| 6012 |
60 |
95 |
18 |
2.362 |
3.740 |
0.709 |
| 6013 |
65 |
100 |
18 |
2.559 |
3.937 |
0.709 |
| 6014 |
70 |
110 |
20 |
2.756 |
4.331 |
0.787 |
| 6015 |
75 |
115 |
20 |
2.953 |
4.528 |
0.787 |
| 6016 |
80 |
125 |
22 |
3.150 |
4.921 |
0.866 |
| 6017 |
85 |
130 |
22 |
3.346 |
5.118 |
0.866 |
| 6018 |
90 |
140 |
24 |
3.543 |
5.512 |
0.945 |
| 6019 |
95 |
145 |
24 |
3.740 |
5.709 |
0.945 |
| 6020 |
100 |
150 |
24 |
3.937 |
5.906 |
0.945 |
| 6021 |
105 |
160 |
26 |
4.134 |
6.299 |
1.024 |
| 6022 |
110 |
170 |
28 |
4.331 |
6.693 |
1.102 |
| 6024 |
120 |
180 |
28 |
4.724 |
7.087 |
1.102 |
| 6026 |
130 |
200 |
33 |
5.118 |
7.874 |
1.299 |
| 6028 |
140 |
210 |
33 |
5.512 |
8.268 |
1.299 |
| 6030 |
150 |
225 |
35 |
5.906 |
8.858 |
1.378 |
| Bearing Number |
ID (MM) |
OD (MM) |
Width (MM) |
ID (inch) |
OD (inch) |
Width (inch) |
| 6200 |
10 |
30 |
9 |
0.394 |
1.181 |
0.354 |
| 6201 |
12 |
32 |
10 |
0.472 |
1.260 |
0.394 |
| 6202 |
15 |
35 |
11 |
0.591 |
1.378 |
0.433 |
| 6202-10 |
15.875 |
35 |
11 |
0.625 |
1.378 |
0.433 |
| 6203 |
17 |
40 |
12 |
0.669 |
1.575 |
0.472 |
| 6204 |
20 |
47 |
14 |
0.787 |
1.850 |
0.551 |
| 6205 |
25 |
52 |
15 |
0.984 |
2.047 |
0.591 |
| 6206 |
30 |
62 |
16 |
1.181 |
2.441 |
0.630 |
| 6207 |
35 |
72 |
17 |
1.378 |
2.835 |
0.669 |
| 6208 |
40 |
80 |
18 |
1.575 |
3.150 |
0.709 |
| 6209 |
45 |
85 |
19 |
1.772 |
3.346 |
0.748 |
| 6210 |
50 |
90 |
20 |
1.969 |
3.543 |
0.787 |
| 6211 |
55 |
100 |
21 |
2.165 |
3.937 |
0.827 |
| 6212 |
60 |
110 |
22 |
2.362 |
4.331 |
0.866 |
| 6213 |
65 |
120 |
23 |
2.559 |
4.724 |
0.906 |
| 6214 |
70 |
125 |
24 |
2.756 |
4.921 |
0.945 |
| 6215 |
75 |
130 |
25 |
2.953 |
5.118 |
0.984 |
| 6216 |
80 |
140 |
26 |
3.150 |
5.512 |
1.024 |
| 6217 |
85 |
150 |
28 |
3.346 |
5.906 |
1.102 |
| 6218 |
90 |
160 |
30 |
3.543 |
6.299 |
1.181 |
| 6219 |
95 |
170 |
32 |
3.740 |
6.693 |
1.260 |
| 6220 |
100 |
180 |
34 |
3.937 |
7.087 |
1.339 |
| 6221 |
105 |
190 |
36 |
4.134 |
7.480 |
1.417 |
| 6222 |
110 |
200 |
38 |
4.331 |
7.874 |
1.496 |
| 6224 |
120 |
215 |
40 |
4.724 |
8.465 |
1.575 |
| 6226 |
130 |
230 |
40 |
5.118 |
9.055 |
1.575 |
| 6228 |
140 |
250 |
42 |
5.512 |
9.843 |
1.654 |
| 6230 |
150 |
270 |
45 |
5.906 |
10.630 |
1.772 |
| Bearing Number |
ID (MM) |
OD (MM) |
Width (MM) |
ID (inch) |
OD (inch) |
Width (inch) |
| 6300 |
10 |
35 |
11 |
0.394 |
1.378 |
0.433 |
| 6301 |
12 |
37 |
12 |
0.472 |
1.457 |
0.472 |
| 6302 |
15 |
42 |
13 |
0.591 |
1.654 |
0.512 |
| 6303 |
17 |
47 |
14 |
0.669 |
1.850 |
0.551 |
| 6304 |
20 |
52 |
15 |
0.787 |
2.047 |
0.591 |
| 6305 |
25 |
62 |
17 |
0.984 |
2.441 |
0.669 |
| 6306 |
30 |
72 |
19 |
1.181 |
2.835 |
0.748 |
| 6307 |
35 |
80 |
21 |
1.378 |
3.150 |
0.827 |
| 6308 |
40 |
90 |
23 |
1.575 |
3.543 |
0.906 |
| 6309 |
45 |
100 |
25 |
1.772 |
3.937 |
0.984 |
| 6310 |
50 |
110 |
27 |
1.969 |
4.331 |
1.063 |
| 6311 |
55 |
120 |
29 |
2.165 |
4.724 |
1.142 |
| 6312 |
60 |
130 |
31 |
2.362 |
5.118 |
1.220 |
| 6313 |
65 |
140 |
33 |
2.559 |
5.512 |
1.299 |
| 6314 |
70 |
150 |
35 |
2.756 |
5.906 |
1.378 |
| 6315 |
75 |
160 |
37 |
2.953 |
6.299 |
1.457 |
| 6316 |
80 |
170 |
39 |
3.150 |
6.693 |
1.535 |
| 6317 |
85 |
180 |
41 |
3.346 |
7.087 |
1.614 |
| 6318 |
90 |
190 |
43 |
3.543 |
7.480 |
1.693 |
| 6319 |
95 |
200 |
45 |
3.740 |
7.874 |
1.772 |
| 6320 |
100 |
215 |
47 |
3.937 |
8.465 |
1.850 |
| 6321 |
105 |
225 |
49 |
4.134 |
8.858 |
1.929 |
| 6322 |
110 |
240 |
50 |
4.331 |
9.449 |
1.969 |
| 6324 |
120 |
260 |
55 |
4.724 |
10.236 |
2.165 |
| 6326 |
130 |
280 |
58 |
5.118 |
11.024 |
2.283 |
| 6328 |
140 |
300 |
62 |
5.512 |
11.811 |
2.441 |
| 6330 |
150 |
320 |
65 |
5.906 |
12.598 |
2.559 |
| Bearing Number |
ID (MM) |
OD (MM) |
Width (MM) |
ID (inch) |
OD (inch) |
Width (inch) |
| 607 |
7 |
19 |
6 |
0.275 |
0.748 |
0.236 |
| 608 |
8 |
22 |
7 |
0.315 |
0.866 |
0.275 |
| 609 |
9 |
24 |
7 |
0.354 |
0.945 |
0.275 |
| 626 |
6 |
19 |
6 |
0.236 |
0.748 |
0.236 |
| 698 |
8 |
19 |
6 |
0.315 |
0.748 |
0.236 |
| R4A |
6.35 |
19.05 |
7.14 |
0.25 |
0.75 |
0.281 |
These bearings have 2 rows of balls to handle higher loads. Note that 32 series and 52 series bearings are interchangeable.
| Bearing Number |
ID (MM) |
OD (MM) |
Width (MM) |
ID (inch) |
OD (inch) |
Width (inch) |
| 3202 |
15 |
35 |
15.9 |
0.590 |
1.378 |
0.625 |
| 3206 |
30 |
62 |
23.8 |
1.181 |
2.441 |
0.937 |
| 5201 |
12 |
32 |
15.8 |
0.472 |
1.26 |
0.622 |
| 5202 |
15 |
35 |
15.9 |
0.590 |
1.378 |
0.625 |
| 5205 |
25 |
52 |
20.6 |
0.985 |
2.047 |
0.811 |
| 5206 |
30 |
62 |
23.8 |
1.181 |
2.441 |
0.937 |
| 5303 |
17 |
47 |
22.2 |
0.669 |
1.850 |
0.874 |
| Bearing Number |
ID (MM) |
OD (MM) |
Width (MM) |
ID (inch) |
OD (inch) |
Width (inch) |
| W204PP |
20 |
47 |
20.64 |
0.787 |
1.850 |
0.812 |
| W205PP |
25 |
52 |
20.64 |
0.984 |
2.047 |
0.812 |
| W206PP |
30 |
62 |
23.81 |
1.181 |
2.441 |
0.937 |
Self-aligning Bearings
These self-aligning, or "Floating" bearings allow up to 2.5 degrees
of misalignment. They are used for the top roller on some KT and Bona
belt sanders.
| Part Number |
Bearing Number |
ID (MM) |
OD (MM) |
Width (MM) |
ID (inch) |
OD (inch) |
Width (inch) |
| KTN8 |
2205 |
25 |
52 |
18 |
0.984 |
2.047 |
0.709 |
| TS92 |
2206 |
30 |
62 |
20 |
1.181 |
2.441 |
0.787 |
The inner race on these bearings is wider than the outer race.
| Bearing Number |
ID (B) (MM) |
OD (D) (MM) |
Width (W) (MM) |
ID (B) (inch) |
OD (D) (inch) |
Width (W) (inch) |
Outer Width (Wo) (inch) |
Center Width (Wi) (inch) |
| 87501 |
12 |
32 |
12.7 |
0.472 |
1.260 |
0.500 |
0.394 |
0.480 |
| 87502 |
15 |
35 |
12.7 |
0.591 |
1.378 |
0.500 |
0.433 |
0.480 |
| 87503 |
17 |
40 |
14.3 |
0.670 |
1.575 |
0.563 |
0.472 |
0.538 |
| 87504 |
20 |
47 |
15.875 |
0.787 |
1.850 |
0.625 |
0.551 |
0.600 |
