Bearing
Ring and roller material
Chemical composition
of bearing steel
| Element(wt%) |
C
|
Cr |
Si |
Mn |
P |
S |
| 0.95-1.05
|
1.40-1.65
|
0.15-0.35 |
0.25-0.45 |
≤0.027 |
≤0.02 |
| Element(wt%) |
Ni |
Cu |
Mo |
Sn |
As
|
Ti |
| <0.23
|
≤0.25 |
≤0.1 |
<0.03 |
<0.04 |
<0.005 |
| Element(wt%) |
Sb |
Pb |
|
Al |
Ca |
|
| <0.002 |
<0.002 |
O<0.001 |
<0.005 |
<0.01 |
|
Corresponding
designation equivalent GCr15
| CHINA
|
ISO |
USA
|
GERMANY
|
JAPAN |
SWEDEN |
| GCr15 |
683/XVII |
52100 |
100Cr6 |
SUJ2 |
SKF3 |
| (ASTM) |
(DIN) |
(JIS) |
Bearing
Clearance
|
Bore
diameter
|
C2
|
C0
|
C3
|
C4
|
C5
|
|
(mm)
|
|
Over
|
To
|
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
|
2.5
|
6
|
0
|
7
|
2
|
13
|
8
|
23
|
14
|
29
|
20
|
37
|
|
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
|
|
274
|
30
|
1
|
11
|
5
|
20
|
13
|
23
|
23
|
41
|
30
|
53
|
|
30
|
40
|
1
|
11
|
6
|
20
|
15
|
33
|
28
|
46
|
40
|
64
|
|
4
|
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
|
Bearing
vibration noise specification
| Bore |
Deep
groove ball bearing accelerating vibration(dB)90 |
| diameter |
Diameter
seines(0)100 |
Diameter
seines(2) |
Diameter
seines(3) |
|
(mm)
|
Z
|
Z1
|
Z2
|
Z3
|
Z
|
Z1
|
Z2
|
Z3
|
Z4
|
Z
|
Z1
|
Z2
|
Z3
|
Z4
|
|
3
|
35
|
34
|
32
|
28
|
36
|
35
|
32
|
30
|
|
37
|
36
|
33
|
31
|
|
|
4
|
35
|
34
|
32
|
28
|
36
|
35
|
32
|
30
|
|
37
|
36
|
33
|
31
|
|
|
5
|
37
|
36
|
34
|
30
|
38
|
37
|
34
|
32
|
|
39
|
37
|
35
|
33
|
|
|
6
|
37
|
36
|
34
|
30
|
38
|
37
|
34
|
32
|
|
39
|
37
|
35
|
33
|
|
|
7
|
39
|
38
|
35
|
31
|
40
|
38
|
36
|
34
|
|
|
|
|
|
|
|
8
|
39
|
38
|
35
|
31
|
40
|
38
|
36
|
34
|
|
|
|
|
|
|
|
9
|
41
|
40
|
36
|
32
|
42
|
40
|
37
|
35
|
|
|
|
|
|
|
|
10
|
43
|
42
|
38
|
33
|
44
|
42
|
39
|
35
|
30
|
46
|
44
|
40
|
37
|
32
|
|
12
|
44
|
43
|
39
|
34
|
45
|
43
|
39
|
35
|
3
|
47
|
45
|
40
|
37
|
32
|
|
15
|
45
|
44
|
40
|
35
|
46
|
44
|
41
|
36
|
31
|
48
|
46
|
42
|
38
|
33
|
|
17
|
46
|
44
|
40
|
35
|
47
|
45
|
41
|
36
|
31
|
49
|
47
|
42
|
38
|
33
|
|
20
|
47
|
45
|
41
|
36
|
48
|
46
|
42
|
38
|
33
|
50
|
48
|
43
|
39
|
34
|
|
22
|
47
|
45
|
41
|
36
|
48
|
46
|
42
|
38
|
33
|
50
|
48
|
43
|
39
|
34
|
|
25
|
48
|
46
|
42
|
38
|
49
|
47
|
43
|
40
|
36
|
51
|
49
|
44
|
41
|
37
|
|
28
|
49
|
47
|
43
|
39
|
50
|
48
|
44
|
41
|
37
|
52
|
50
|
45
|
42
|
38
|
|
30
|
49
|
47
|
43
|
39
|
50
|
48
|
44
|
41
|
37
|
52
|
50
|
45
|
42
|
38
|
|
32
|
50
|
48
|
44
|
40
|
51
|
49
|
45
|
43
|
38
|
53
|
51
|
46
|
43
|
39
|
|
35
|
51
|
49
|
45
|
41
|
52
|
50
|
46
|
42
|
39
|
54
|
52
|
47
|
44
|
40
|
|
40
|
53
|
51
|
46
|
42
|
54
|
52
|
47
|
43
|
40
|
56
|
54
|
49
|
45
|
41
|
|
45
|
55
|
53
|
48
|
45
|
56
|
54
|
49
|
44
|
43
|
58
|
56
|
51
|
47
|
44
|
|
50
|
57
|
54
|
50
|
47
|
58
|
55
|
51
|
46
|
45
|
6
|
57
|
53
|
49
|
46
|
|
55
|
59
|
56
|
52
|
49
|
60
|
57
|
53
|
50
|
47
|
62
|
59
|
54
|
51
|
48
|
|
60
|
61
|
58
|
54
|
51
|
62
|
59
|
54
|
51
|
48
|
64
|
61
|
56
|
53
|
50
|
|
65
|
49
|
48
|
46
|
50
|
49
|
47
|
42
|
51
|
50
|
48
|
43
|
|
|
|
|
70
|
50
|
49
|
47
|
51
|
50
|
48
|
43
|
52
|
51
|
49
|
44
|
|
|
|
|
75
|
51
|
50
|
48
|
52
|
51
|
49
|
44
|
53
|
52
|
50
|
45
|
|
|
|
|
80
|
52
|
51
|
49
|
53
|
52
|
50
|
45
|
54
|
53
|
51
|
46
|
|
|
|
|
85
|
53
|
52
|
50
|
54
|
53
|
51
|
46
|
56
|
55
|
52
|
47
|
|
|
|
|
90
|
54
|
53
|
52
|
56
|
55
|
53
|
48
|
58
|
57
|
54
|
49
|
|
|
|
|
95
|
56
|
55
|
54
|
58
|
57
|
55
|
50
|
60
|
59
|
56
|
51
|
|
|
|
|
100
|
58
|
57
|
56
|
60
|
59
|
57
|
52
|
62
|
61
|
58
|
53
|
|
|
|
|
105
|
60
|
59
|
58
|
62
|
61
|
59
|
54
|
64
|
63
|
60
|
55
|
|
|
|
|
110
|
62
|
61
|
60
|
64
|
63
|
61
|
56
|
66
|
65
|
62
|
57
|
|
|
|
|
120
|
64
|
63
|
62
|
66
|
65
|
63
|
58
|
68
|
67
|
64
|
59
|
|
|
|
|
Bore
|
Deep
groove ball bearing accelerating vibration(u
m/s)
|
|
diameter
|
V1
|
V2
|
V3
|
V4
|
|
(mm)
|
L
|
M
|
H
|
L
|
M
|
H
|
L
|
M
|
H
|
L
|
M
|
H
|
|
3
|
60
|
35
|
32
|
48
|
26
|
31
|
31
|
16
|
15
|
28
|
10
|
10
|
|
4
|
60
|
35
|
32
|
48
|
26
|
31
|
31
|
16
|
15
|
28
|
10
|
10
|
|
5
|
74
|
48
|
40
|
58
|
36
|
35
|
35
|
21
|
18
|
32
|
11
|
11
|
|
6
|
74
|
48
|
40
|
58
|
36
|
35
|
35
|
21
|
18
|
32
|
11
|
11
|
|
7
|
92
|
66
|
54
|
72
|
48
|
44
|
44
|
28
|
24
|
38
|
12
|
12
|
|
8
|
92
|
66
|
54
|
72
|
48
|
44
|
44
|
28
|
24
|
38
|
12
|
12
|
|
9
|
92
|
66
|
54
|
72
|
48
|
44
|
44
|
28
|
24
|
38
|
12
|
12
|
|
10
|
120
|
80
|
70
|
90
|
60
|
55
|
55
|
35
|
30
|
45
|
14
|
15
|
|
12
|
120
|
80
|
70
|
90
|
60
|
55
|
55
|
35
|
3
|
45
|
14
|
15
|
|
15
|
150
|
100
|
85
|
110
|
78
|
65
|
65
|
46
|
35
|
52
|
18
|
18
|
|
17
|
150
|
100
|
85
|
110
|
78
|
65
|
65
|
46
|
35
|
52
|
25
|
25
|
|
20
|
180
|
125
|
100
|
130
|
100
|
80
|
80
|
60
|
45
|
60
|
25
|
25
|
|
22
|
180
|
125
|
100
|
130
|
100
|
80
|
80
|
60
|
45
|
60
|
30
|
32
|
|
25
|
180
|
125
|
100
|
130
|
100
|
80
|
80
|
60
|
45
|
60
|
30
|
32
|
|
28
|
180
|
125
|
100
|
130
|
100
|
80
|
80
|
60
|
45
|
60
|
35
|
40
|
|
30
|
200
|
150
|
130
|
150
|
120
|
90
|
90
|
75
|
60
|
70
|
35
|
40
|
|
32
|
200
|
150
|
130
|
150
|
120
|
90
|
90
|
75
|
60
|
70
|
35
|
40
|
|
35
|
200
|
150
|
130
|
150
|
120
|
90
|
90
|
75
|
60
|
70
|
42
|
45
|
|
40
|
240
|
180
|
160
|
180
|
150
|
110
|
110
|
90
|
80
|
82
|
50
|
50
|
|
45
|
240
|
180
|
160
|
180
|
150
|
110
|
110
|
90
|
80
|
82
|
60
|
60
|
|
50
|
280
|
200
|
200
|
210
|
160
|
125
|
125
|
100
|
100
|
95
|
70
|
70
|
|
55
|
280
|
220
|
200
|
210
|
180
|
125
|
125
|
110
|
110
|
95
|
70
|
70
|
|
60
|
320
|
220
|
240
|
240
|
180
|
145
|
145
|
110
|
130
|
100
|
80
|
80
|
|
65
|
180
|
160
|
240
|
130
|
100
|
105
|
105
|
80
|
105
|
50
|
50
|
75
|
|
70
|
200
|
180
|
280
|
150
|
120
|
110
|
110
|
90
|
135
|
58
|
58
|
88
|
|
75
|
200
|
180
|
280
|
150
|
120
|
110
|
110
|
90
|
135
|
58
|
58
|
88
|
|
80
|
240
|
210
|
320
|
180
|
120
|
130
|
130
|
110
|
160
|
65
|
65
|
100
|
|
85
|
240
|
210
|
320
|
180
|
150
|
130
|
130
|
110
|
160
|
65
|
65
|
100
|
|
90
|
290
|
250
|
370
|
210
|
180
|
145
|
145
|
125
|
180
|
75
|
75
|
115
|
|
95
|
290
|
250
|
370
|
210
|
180
|
145
|
145
|
125
|
180
|
75
|
75
|
115
|
|
100
|
340
|
300
|
420
|
250
|
215
|
170
|
170
|
145
|
200
|
88
|
88
|
135
|
|
105
|
340
|
300
|
420
|
250
|
215
|
170
|
170
|
145
|
200
|
88
|
88
|
135
|
|
110
|
400
|
350
|
480
|
290
|
260
|
190
|
190
|
175
|
225
|
100
|
100
|
160
|
|
120
|
400
|
350
|
480
|
290
|
260
|
190
|
190
|
175
|
225
|
100
|
100
|
16
|
According
to related standard, the vibration noise (dB) of bearigs
for their vibration under acceleration are divided into
four groups:Z1,Z2,Z3and Z4. Also they can be divided
into four groups in according to vibration speed (u
m/s):V1,V2,V3 and V14.
| Manufacturer |
Brand |
Viscosity |
Base oil |
Drop point℃ |
Consitency |
Temperature range℃ |
| Esso |
Beacon 325 |
Lithium |
Diester |
193 |
290 |
-180 |
| AC205 |
Nothium |
Mineral |
- |
- |
-145 |
| AndokB |
Nothium |
Mineral |
260 |
280 |
-160- |
| AndokC |
Nothium |
Mineral |
≥260 |
205 |
140 |
| Andok 260 |
Nothium |
Mineral |
200 |
250 |
-180 |
| Arapen RB300 |
LithiumCalcium |
Mineral |
175 |
300 |
-130 |
| Kyodo Yushi |
NS Hilube |
Lithium |
Diester |
190 |
255 |
-170 |
| Multemp PS2 |
Lithium |
Diester |
189 |
280 |
-160 |
| Multemp SRL |
Lithium |
Ester |
191 |
245 |
-190 |
| Multem SC-A |
Urea |
- |
≥260 |
280 |
0- +160 |
| Multemp ET150 |
Urea |
Mineral |
≥260 |
280 |
-170 |
| Oneluba |
Lithium |
Diester Mineral |
198 |
270 |
-120 |
| Adrex |
Lithium |
Mineral |
198 |
300 |
-130 |
| Parmax |
- |
Mineral |
180 |
300 |
-130 |
| Emalube1130 |
Urea |
Mineral |
≥260 |
300 |
-140 |
| Unilube DL1 |
Lithium |
Mineral |
185 |
332 |
-120 |
| Alumix HD1 |
- |
Mineral |
247 |
335 |
0- +120 |
| Kluber |
Staburage NBU12 |
Barium |
Mineral |
220 |
270 |
-185 |
| LsoflexNBU15 |
Barium |
Diester Mineral |
220 |
280 |
-190 |
| Asonic GLY32 |
Lithium |
Sythetic |
- |
- |
-190 |
|
Asonic GHY72
|
Polyhamstoff |
Ester Mineral |
- |
- |
-220 |
| lsoflex Super
LDS18 |
Lithium |
Diester |
190 |
280 |
-190 |
| lsoflex Super
TEL |
Lithium |
Ester Mineral |
- |
- |
-135 |
| lsoflex LDS18
Spezial A |
Lithium |
Diester |
190 |
280 |
-190 |
| lsoflex PDB38CX100 |
Lithium |
Ester |
- |
- |
-190 |
| lsoflex Topas
NB52 |
Barium |
Synthetic Hydrocarbon |
240 |
280 |
-230 |
| Barrierta L55/2 |
Fluorotelomer |
Fluorinated |
- |
280 |
-295 |
| Borrierta EL |
Fluorotelomer |
Fluorinated |
- |
280 |
-230 |
| Barrierta IMI/V |
Fluorotelomer |
Fluorinated |
- |
- |
-270 |
| Unisilikon TK44N2 |
Na-komplex |
Silicone |
- |
280 |
-290 |
| Down Corning |
Molykote 33M |
Lithium |
Silicone |
210 |
- |
-250 |
| Molykote 44M |
Lithium |
Silicone |
204 |
- |
-240 |
| Molykote 55M |
Lithium |
Silicone |
- |
260 |
-220 |
| Molykote BR2plus |
Lithium |
Mineral |
- |
260 |
-180 |
| Molykote FS1292 |
Fluorotelomer |
Phlorosicone |
≥232 |
- |
-240 |
| Molykote FS3451 |
Fluorotelomer |
Phlorosicone |
≥260 |
280 |
-270 |
| Shell |
Alvania NO.2 |
Lithium |
Mineral |
182 |
310 |
-145 |
| Alvania NO.3 |
Lithium |
Mineral |
183 |
285 |
-155 |
| Alvania RA |
Lithium |
Mineral |
183 |
272 |
-145 |
| Alvania EP2 |
Lithium |
Mineral |
185 |
233 |
-110 |
| Sunlight 2 |
Lithium |
Mineral |
196 |
252 |
-140 |
| Dolium R |
|
Mineral |
238 |
276 |
-160 |
| Aero shell NO.5 |
Microgel |
Mineral |
≥260 |
273 |
-140 |
| Aero shell NO.7 |
Microgel |
Diester |
≥260 |
281 |
-220 |
| Aero shell NO.15A |
Fluorotelomer |
Silicone |
≥260 |
282 |
-330 |
| Mobil Oil |
Mobilux2 |
Lithium |
Mineral |
190 |
288 |
-140 |
| Mobigrease 22 |
Lithium |
Diester Mineral |
192 |
280 |
-190 |
| Mobigrease 28 |
Bentonite |
Synthetichydrocarbon |
≥260 |
280 |
-240 |
| Mobilplex
47 |
- |
Mineral |
≥260 |
274 |
-140 |
| Du Pont |
Krytox 240AC |
Fluorotelomer |
Fluorinated |
- |
280 |
-315 |
| Krytox 283AC |
Fluorotelomer |
Fluorinated |
- |
280 |
-315 |
| Krytox 143AC |
Fluorotelomer |
Fluorinated |
- |
282 |
-315 |
| Caltex |
SH44M |
Lithium |
Silicone |
210 |
229 |
-220 |
| SH33L |
Lithium |
Silicone |
210 |
- |
-210 |
| SH41 |
Lithium |
Silicone |
- |
260 |
-210 |
| Caltex |
Chevron SRI-2 |
Urea |
Mineral |
- |
300 |
-205 |
| General Electric |
Anderol SRI-2 |
Lithium |
Diester |
- |
280 |
-210 |
| Versilube G-300 |
Lithium |
Silicone |
- |
293 |
-300 |
| Versilube F-50 |
- |
Silicone |
- |
- |
-300 |
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