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DHK single row deep groove ball bearings with ordinary tolerance (PN) as the standard accuracy class.
DHK can provide bearings with higher dimensional and geometric accuracy tolerance levels upon customer order.
Tolerances For DHK Radial Bearings (Excluding Taper Roller Bearings)
All Dimensions Shown ln(mm)
Tolerances ln( um)
Inner Ring
PN(Normal)
|
Nominal Bore diameter |
Deviation dmp |
Variation Vdp Series |
Variation Vdmp |
Taper bore 1:12 Deviation/ Variation |
|||||
|
> |
<= |
△dmp |
7．8．9 |
0．1 |
2．3．4 |
Vdmp |
△dmp |
△d1mp-dmp |
Vdp |
|
2.5 10 |
0 -8 |
10 |
8 |
6 |
6 |
+15 0 |
+15 0 |
10 |
|
|
10 18 |
0 -8 |
10 |
8 |
6 |
6 |
+18 0 |
+18 0 |
10 |
|
|
18 30 |
0 -10 |
13 |
10 |
8 |
8 |
+21 0 |
+21 0 |
13 |
|
|
30 50 |
0 -12 |
15 |
12 |
9 |
9 |
+25 0 |
+25 0 |
15 |
|
|
50 80 |
0 -15 |
19 |
19 |
11 |
11 |
+30 0 |
+30 0 |
19 |
|
|
80 120 |
0 -20 |
25 |
25 |
15 |
15 |
+35 0 |
+35 0 |
25 |
|
|
120 180 |
0 -25 |
31 |
31 |
19 |
19 |
+40 0 |
+40 0 |
31 |
|
|
180 250 |
0 -30 |
38 |
38 |
23 |
23 |
+46 0 |
+46 0 |
38 |
|
|
250 315 |
0 -35 |
44 |
44 |
26 |
26 |
+52 0 |
+52 0 |
44 |
|
|
315 400 |
0 -40 |
50 |
50 |
30 |
30 |
+57 0 |
+57 0 |
50 |
|
|
400 500 |
0 -45 |
56 |
56 |
34 |
34 |
+63 0 |
+63 0 |
56 |
|
|
500 630 |
0 -50 |
63 |
63 |
38 |
38 |
+70 0 |
+70 0 |
||
|
630 800 |
0 -75 |
+80 0 |
+80 0 |
||||||
|
800 1000 |
0 -100 |
+90 0 |
+90 0 |
||||||
|
1000 1250 |
0 -125 |
+105 0 |
+105 0 |
||||||
|
1250 1600 |
0 -160 |
||||||||
|
1600 2000 |
0 -200 |
||||||||
Outer ring
PN/(Normal)
|
Nominal Outer diameter |
Deviation |
Variation Vdp Series |
Sealed bearing |
Variation |
Radial runout |
|||
|
> |
<= |
△Dmp |
7．8．9 |
0．1 |
2．3．4 |
2 3 4 |
VDmp |
Kea |
|
6 18 |
0 -8 |
10 |
8 |
6 |
10 |
6 |
15 |
|
|
18 30 |
0 -9 |
12 |
9 |
7 |
12 |
7 |
15 |
|
|
30 50 |
0 -11 |
14 |
11 |
8 |
16 |
8 |
20 |
|
|
50 80 |
0 -13 |
16 |
13 |
10 |
20 |
10 |
25 |
|
|
80 120 |
0 -15 |
19 |
19 |
11 |
26 |
11 |
35 |
|
|
120 150 |
0 -18 |
23 |
23 |
14 |
30 |
14 |
40 |
|
|
150 180 |
0 -25 |
31 |
31 |
19 |
38 |
19 |
45 |
|
|
180 250 |
0 -30 |
38 |
38 |
23 |
23 |
50 |
||
|
250 315 |
0 -35 |
44 |
44 |
26 |
26 |
60 |
||
|
315 400 |
0 -40 |
50 |
50 |
30 |
30 |
70 |
||
|
400 500 |
0 -45 |
56 |
56 |
34 |
34 |
80 |
||
|
500 630 |
0 -50 |
63 |
63 |
38 |
38 |
100 |
||
|
630 800 |
0 -75 |
94 |
94 |
55 |
55 |
120 |
||
|
800 1000 |
0 -100 |
125 |
125 |
75 |
75 |
140 |
||
|
1000 1250 |
0 -125 |
160 |
||||||
|
1250 1600 |
0 -160 |
190 |
||||||
|
1600 2000 |
0 -200 |
220 |
||||||
|
2000 2500 |
0 -250 |
250 |
||||||
|
Bore Dia.(mm) |
C2(um) |
CN(um) |
C3(um) |
C4(um) |
C5(um) |
|||
|
<= |
<= |
|||||||
|
2.5 6 |
0 7 |
2 13 |
8 23 |
-- -- |
-- -- |
|||
|
6 10 |
0 7 |
2 13 |
8 23 |
14 29 |
20 37 |
|||
|
10 18 |
0 9 |
3 18 |
11 25 |
18 33 |
25 45 |
|||
|
18 24 |
0 10 |
5 20 |
13 28 |
20 36 |
28 48 |
|||
|
24 30 |
1 11 |
5 20 |
13 28 |
23 41 |
30 53 |
|||
|
30 40 |
1 11 |
6 20 |
15 33 |
28 46 |
40 64 |
|||
|
40 50 |
1 11 |
6 23 |
18 36 |
30 51 |
45 73 |
|||
|
50 65 |
1 15 |
8 28 |
23 43 |
38 61 |
55 90 |
|||
|
65 80 |
1 15 |
10 30 |
25 51 |
46 71 |
65 105 |
|||
|
80 100 |
1 18 |
12 36 |
30 58 |
53 84 |
75 120 |
|||
|
100 120 |
2 20 |
15 41 |
36 66 |
61 97 |
90 140 |
|||
|
120 140 |
2 23 |
18 48 |
41 81 |
71 114 |
105 160 |
|||
|
140 160 |
2 23 |
18 53 |
46 91 |
81 130 |
120 180 |
|||
|
160 180 |
2 25 |
20 61 |
53 102 |
91 147 |
135 200 |
|||
|
180 200 |
2 30 |
25 71 |
63 117 |
107 163 |
150 230 |
|||
|
200 225 |
4 32 |
28 82 |
73 132 |
120 187 |
175 255 |
|||
|
225 250 |
4 36 |
31 92 |
87 152 |
140 217 |
205 290 |
|||
|
250 280 |
4 39 |
36 97 |
97 162 |
152 237 |
225 320 |
|||
|
280 315 |
8 45 |
42 110 |
110 180 |
175 260 |
260 360 |
|||
|
315 355 |
8 50 |
50 120 |
120 200 |
200 290 |
290 405 |
|||
|
355 400 |
8 60 |
60 140 |
140 230 |
230 330 |
330 460 |
|||
|
400 450 |
10 70 |
70 160 |
160 260 |
260 370 |
370 520 |
|||
|
450 500 |
10 80 |
80 180 |
180 290 |
290 410 |
410 570 |
|||
|
500 560 |
20 90 |
90 200 |
200 320 |
320 460 |
460 630 |
|||
|
560 630 |
20 100 |
100 220 |
220 350 |
350 510 |
540 700 |
|||
|
630 710 |
30 120 |
120 250 |
250 390 |
390 560 |
560 780 |
|||
|
710 800 |
30 130 |
130 280 |
280 440 |
440 620 |
620 860 |
|||
|
800 900 |
30 150 |
150 310 |
310 490 |
490 690 |
690 960 |
|||
|
900 1000 |
40 160 |
160 340 |
340 540 |
540 760 |
760 1040 |
|||
|
1000 1120 |
40 170 |
170 370 |
370 590 |
590 840 |
840 1120 |
|||
|
1120 1250 |
40 180 |
180 400 |
400 640 |
640 910 |
910 1220 |
|||
|
1250 1400 |
60 210 |
210 440 |
440 700 |
700 1000 |
1000 1340 |
|||
|
1400 1600 |
60 230 |
230 480 |
480 770 |
770 1100 |
1100 1470 |
|||
|
1600 1800 |
60 250 |
250 520 |
520 830 |
830 1220 |
1220 1650 |
|||
Model |
Basic models Bearing Series |
D |
Dn | a 60 |
a Bearing Series 62 63 64 |
b | r0 | Stop ring | f | e | g | DR | DG | |||||||||
| 60 | 62 | 63 | 64 | min. | max. | min. | max. | min. | max. |
min. |
max. |
max. | D | min | max | min | max | ≈ | max | min | ||
SP30 |
-- | 6200N | -- | -- |
30 |
27.92 | 28.17 | -- | -- | 1.91 | 2.06 |
1.35 |
1.65 |
0.4 | 30 | 1.02 | 1.12 | 3.1 | 3.25 | 3 | 34.7 | 35.5 |
SP32 |
6002N | 6201N | -- | -- |
32 |
29.90 | 30.15 | 1.91 | 2.06 | 1.91 | 2.06 |
1.35 |
1.65 |
0.4 | 32 | 1.02 | 1.12 | 3.1 | 3.25 | 3 | 36.7 | 37.5 |
SP35 |
6003N | 6202N | 6300N | -- |
35 |
32.92 | 33.17 | 1.91 | 2.06 | 1.91 | 2.06 |
1.35 |
1.65 |
0.4 | 35 | 1.02 | 1.12 | 3.1 | 3.25 | 3 | 39.7 | 40.5 |
SP37 |
-- | -- | 6301N | -- |
37 |
34.52 | 34.77 | -- | -- | 1.91 | 2.06 |
1.35 |
1.65 |
0.4 | 37 | 1.02 | 1.12 | 3.1 | 3.25 | 3 | 41.3 | 42 |
SP40 |
-- | 6203N | -- | -- |
40 |
37.85 | 38.10 | -- | -- | 1.91 | 2.06 |
1.35 |
1.65 |
0.4 | 40 | 1.02 | 1.12 | 3.1 | 3.25 | 3 | 44.6 | 45.5 |
SP42 |
6004N | -- | 6302N | -- |
42 |
39.50 | 39.75 | 1.9 | 2.06 | 1.91 | 2.06 |
1.35 |
1.65 |
0.4 | 42 | 1.02 | 1.12 | 3.1 | 3.25 | 3 | 46.3 | 47 |
SP44 |
60/22N | -- | -- | -- |
44 |
41.50 | 41.75 | 1.9 | 2.06 | -- | -- |
1.35 |
1.65 |
0.4 | 44 | 1.02 | 1.12 | 3.1 | 4.04 | 3 | 48.3 | 49 |
SP47 |
6005N | 6204N | 6303N | -- |
47 |
44.35 | 44.60 | 1.9 | 2.06 | 2.31 | 2.46 |
1.35 |
1.65 |
0.4 | 47 | 1.02 | 1.12 | 3.89 | 4.04 | 4 | 52.7 | 53.5 |
SP50 |
-- | 60/22N | -- | -- |
50 |
47.35 | 47.60 | -- | -- | 2.31 | 2.46 |
1.35 |
1.65 |
0.4 | 50 | 1.02 | 1.12 | 3.89 | 4.04 | 4 | 55.7 | 56.5 |
SP52 |
6028N | 6205N | 6304N | 6402N |
52 |
49.48 | 49.73 | 1.91 | 2.06 | 2.31 | 2.46 |
1.35 |
1.65 |
0.4 | 52 | 1.02 | 1.12 | 3.89 | 4.04 | 4 | 57.9 | 58.5 |
SP55 |
6006N | -- | -- | -- |
55 |
52.35 | 52.60 | 1.91 | 2.06 | -- | -- |
1.35 |
1.65 |
0.4 | 55 | 1.02 | 1.12 | 3.89 | 4.04 | 4 | 60.7 | 61.5 |
SP56 |
-- | -- | 63/22N | -- |
56 |
52.35 | 53.60 | -- | -- | 2.31 | 2.46 |
1.35 |
1.65 |
0.4 | 56 | 1.02 | 1.12 | 3.89 | 4.04 | 4 | 61.7 | 62.5 |
SP58 |
60/32N | 62/28N | -- | -- |
58 |
52.35 | 55.60 | 1.88 | 2.06 | 2.31 | 2.46 |
1.35 |
1.65 |
0.4 | 58 | 1.02 | 1.12 | 3.89 | 4.04 | 4 | 63.7 | 64.5 |
SP62 |
6007N | 6206N | 6305N | 6403N |
62 |
59.11 | 59.61 | 1.86 | 2.06 | 3.08 | 3.28 |
1.9 |
2.2 |
0.6 | 62 | 1.6 | 1.7 | 3.89 | 4.04 | 4 | 67.7 | 68.5 |
SP65 |
-- | 62/32N | -- | -- |
65 |
62.10 | 62.60 | -- | -- | 3.08 | 3.28 |
1.9 |
2.2 |
0.6 | 65 | 1.6 | 1.7 | 3.89 | 4.04 | 4 | 70.7 | 71.5 |
SP68 |
6008N | -- | 63/28 | -- |
68 |
64.32 | 64.82 | 2.29 | 2.49 | 3.08 | 3.28 |
1.9 |
2.2 |
0.6 | 68 | 1.6 | 1.7 | 4.7 | 4.85 | 5 | 74.6 | 76 |
SP72 |
-- | 6207N | 6306N | 6404N |
72 |
68.31 | 68.81 | -- | -- | 3.08 | 3.28 |
1.9 |
2.2 |
0.6 | 72 | 1.6 | 1.7 | 4.7 | 4.85 | 5 | 78.6 | 80 |
SP75 |
6009N | -- | 63/32N | -- |
75 |
71.33 | 71.83 | 2.29 | 2.49 | 3.08 | 3.28 |
1.9 |
2.2 |
0.6 | 75 | 1.6 | 1.7 | 4.7 | 4.85 | 5 | 81.6 | 83 |
SP80 |
6010N | 6208N | 6307N | 6405N |
80 |
76.31 | 76.81 | 2.29 | 2.49 | 3.08 | 3.28 |
1.9 |
2.2 |
0.6 | 80 | 1.6 | 1.7 | 4.7 | 4.85 | 5 | 86.6 | 88 |
SP85 |
-- | 6209N | -- | -- |
85 |
81.31 | 81.81 | -- | -- | 3.08 | 3.28 |
1.9 |
2.2 |
0.6 | 85 | 1.6 | 1.7 | 4.7 | 4.85 | 5 | 91.6 | 93 |
SP90 |
6011N | 6210N | 6308N | 6406N |
90 |
86.29 | 86.79 | 2.67 | 2.87 | 3.08 | 3.28 |
2.7 |
3 |
0.6 | 90 | 2.36 | 2.46 | 4.7 | 4.85 | 5 | 96.6 | 98 |
SP95 |
6012N | -- | -- | -- |
95 |
91.32 | 91.82 | 2.67 | 2.87 | -- | -- |
2.7 |
3 |
0.6 | 95 | 2.36 | 2.46 | 4.7 | 4.85 | 5 | 101.6 | 103 |
SP100 |
6013N | 3211N | 6309N | 6407N |
100 |
96.30 | 96.80 | 2.67 | 2.87 | 3.08 | 3.28 |
2.7 |
3 |
0.6 | 100 | 2.36 | 2.46 | 4.7 | 4.85 | 5 | 106.5 | 108 |
SP110 |
6014N | 3212N | 6310N | 6408N |
110 |
106.31 | 106.81 | 2.67 | 2.87 | 3.08 | 3.28 |
2.7 |
3 |
0.6 | 110 | 2.36 | 2.46 | 4.7 | 4.85 | 5 | 116.6 | 118 |
SP115 |
6015N | -- | -- | -- |
115 |
111.31 | 111.81 | 2.67 | 2.87 | -- | -- |
2.7 |
3 |
0.6 | 115 | 2.36 | 2.46 | 4.7 | 4.85 | 5 | 121.6 | 123 |
SP120 |
-- | 6213N | 6311N | 6409N |
120 |
114.71 | 115.21 | -- | -- | 3.86 | 4.06 |
3.1 |
3.4 |
0.6 | 120 | 2.72 | 2.82 | 7.06 | 7.21 | 7 | 129.7 | 131.5 |
SP125 |
6016N | 6214N | -- | -- |
125 |
119.72 | 120.22 | 2.67 | 2.87 | 3.86 | 4.06 |
3.1 |
3.4 |
0.6 | 125 | 2.72 | 2.82 | 7.06 | 7.21 | 7 | 134.7 | 126.5 |
SP130 |
6017N | 6215N | 6312N | 6410N |
130 |
124.72 | 125.22 | 2.67 | 2.87 | 3.86 | 4.06 |
3.1 |
3.4 |
0.6 | 130 | 2.72 | 2.82 | 7.06 | 7.21 | 7 | 139.7 | 141.5 |
SP140 |
6018N | 6216N | 6313N | 6411N |
140 |
134.73 | 135.23 | 6.46 | 3.71 | 4.65 | 1.9 |
3.1 |
3.4 |
0.6 | 140 | 2.72 | 2.82 | 7.06 | 7.21 | 7 | 154.7 | 157 |
SP145 |
6019N | -- | -- | -- |
145 |
139.73 | 140.23 | 3.44 | 3.71 | -- | -- |
3.1 |
3.4 |
0.6 | 145 | 2.72 | 2.82 | 7.06 | 7.21 | 7 | 154.7 | 157 |
SP150 |
6020N | 6217N | 6314N | 6413N |
150 |
144.74 | 145.24 | 3.46 | 3.71 | 4.65 | 4.9 |
3.1 |
3.4 |
0.6 | 150 | 2.72 | 2.82 | 7.06 | 7.21 | 7 | 159.7 | 162 |
SP160 |
6021N | 6218N | 6315N | 6413N |
160 |
154.72 | 155.22 | 3.46 | 3.71 | 4.65 | 4.9 |
3.1 |
3.4 |
0.6 | 160 | 2.72 | 2.82 | 7.06 | 7.21 | 7 | 169.7 | 172 |
SP170 |
6022N | 6219N | 6316N |
170 |
163.15 | 163.65 | 3.46 | 3.71 | 5.44 | 5.69 |
3.5 |
3.8 |
0.6 | 170 | 3 | 3.1 | 9.45 | 9.6 | 10 | 182.9 | 185 | |
SP180 |
6024N | 6220N | 6317N | 6414N |
180 |
173.16 | 173.66 | 3.45 | 3.71 | 5.44 | 5.69 |
3.5 |
3.8 |
0.6 | 180 | 3 | 3.1 | 9.45 | 9.6 | 10 | 182.9 | 195 |
SP190 |
-- | 6221N | 6318N | 6415N |
190 |
183.13 | 183.64 | -- | -- | 5.44 | 5.69 |
3.5 |
3.8 |
0.6 | 190 | 3 | 3.1 | 9.45 | 9.6 | 10 | 182.9 | 205 |
SP200 |
6026N | 6222N | 6319N | 6416N |
200 |
193.15 | 193.65 | 5.44 | 5.69 | 5.44 | 5.69 |
3.5 |
3.8 |
0.6 | 200 | 3 | 3.1 | 9.45 | 9.6 | 10 | 182.9 | 215 |
Years Experience Working
Customer Service
Patented Technology
Ningbo DHK Precision Bearing Co., Ltd. (“DHK” for short) is a specialist enterprise engaged in the R&D, manufacture and sales of bearings. Is a famous China Single row deep groove ball bearing-Single Row Deep Groove Ball Bearings with Snap Ring Groove and Snap Rings Factory and OEM/ODM Single row deep groove ball bearing-Single Row Deep Groove Ball Bearings with Snap Ring Groove and Snap Rings Company. And is located in Ningbo Zhenhai Economic Development Zone with convenient transportation. Since the establishment for over a decade, "technology", "quality" and "service" have always been the initial issues in our mind for the sake of development. We provide reliable products and special customized services for global enterprises in heavy industry and have got the Satisfaction and won good reputation of a number of enterprises at home and abroad.
DHK mainly produces cylindrical roller bearings, conical roller bearings, self-aligning roller bearings, ball bearings, as well as various kinds of non-standard bearings and bearings with specially treated surface. So far, DHK’s bearings have been widely applied in such fields as engineering machinery, industrial pump, machine tool, compression engine, gear case, wind power and metallurgy in developed European and American countries.
DHK has the measuring room and inspection room of bearings in the industry and has introduced top-end inspection equipment worldwide and established the QC system in China,thus guaranteeing product quality in an all-round way.
DHK has passed IATF16949 quality system certification and ISO14001 environmental management system certification；and DHK is a national high-tech enterprise.
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