详细介绍:
单列角接触球轴承可同时承受径向和一个方向轴向载荷,极限转速高,主要用于精密机床和其他高精度、高转速的部位。该类轴承在承受径向载荷时,轴承内圈会产生轴向分力,因此,单列角接触球轴承通常需要与能承受反方向轴向的轴承配套安装使用。
为了提高机床主轴的刚性和使用寿命,通常采用双联、三联甚至多联组配使用。DRZ精密角接触球轴承的接触角分为15°(代号为C)、25°(代号为AC)、40°(代号为B)三种,以满足不同的需求,其外形尺寸有70、72、73三种系列,当客户有要求时,DRZ可生产其他尺寸系列化的角接触球轴承。在轴承结构上DRZ有标准系列和高速系列以及60°的丝杠轴承。
轴承代号
|
外形尺寸
|
安装尺寸
|
额定载荷
|
极限转速
|
予载荷Fao
|
轴向刚度Ra
|
重量
|
d
|
D
|
B
|
ramin
|
r1min
|
da
|
Da/Db
|
ra
|
rb
|
Cr
|
Cor
|
脂
|
油
|
A(轻)
|
B(中)
|
C(重)
|
A(轻)
|
B(中)
|
C(重)
|
≈
|
mm
|
min
|
max
|
max
|
max
|
kN
|
r/min
|
N
|
N/μm
|
Kg
|
7004C
|
20
|
42
|
12
|
0.6
|
0.15
|
24.5
|
37.5
|
0.6
|
0.15
|
9.6
|
6.3
|
38000
|
56000
|
50
|
150
|
300
|
24
|
35
|
44
|
0.06
|
7004AC
|
20
|
42
|
12
|
0.6
|
0.15
|
24.5
|
37.5
|
0.6
|
0.15
|
9.2
|
6.0
|
34000
|
50000
|
80
|
240
|
480
|
64
|
90
|
113
|
0.06
|
7005C
|
25
|
47
|
12
|
0.6
|
0.15
|
29
|
43
|
0.6
|
0.15
|
12.9
|
8.7
|
34000
|
50000
|
65
|
190
|
380
|
29
|
42
|
53
|
0.07
|
7005AC
|
25
|
47
|
12
|
0.6
|
0.15
|
29
|
43
|
0.6
|
0.15
|
12.3
|
8.3
|
30000
|
45000
|
105
|
310
|
620
|
77
|
108
|
136
|
0.07
|
7006C
|
30
|
55
|
13
|
1
|
0.3
|
34.5
|
50.5
|
1.0
|
0.3
|
15.7
|
11.6
|
28000
|
43000
|
80
|
240
|
480
|
35
|
50
|
63
|
0.11
|
7006AC
|
30
|
55
|
13
|
1
|
0.3
|
34.5
|
50.5
|
1.0
|
0.3
|
14.9
|
10.9
|
24000
|
38000
|
130
|
390
|
780
|
92
|
128
|
161
|
0.11
|
7007C
|
35
|
62
|
14
|
1
|
0.3
|
40.5
|
56.5
|
1.0
|
0.3
|
19.3
|
17.5
|
20000
|
34000
|
100
|
300
|
600
|
39
|
56
|
71
|
0.15
|
7007AC
|
35
|
62
|
14
|
1
|
0.3
|
40.5
|
56.5
|
1.0
|
0.3
|
18.3
|
16.6
|
19000
|
32000
|
165
|
490
|
980
|
104
|
146
|
183
|
0.15
|
7008C
|
40
|
68
|
15
|
1
|
0.3
|
46
|
62
|
1.0
|
0.3
|
19.9
|
19.1
|
19000
|
32000
|
105
|
310
|
620
|
41
|
59
|
75
|
0.19
|
7008AC
|
40
|
68
|
15
|
1
|
0.3
|
46
|
62
|
1.0
|
0.3
|
18.9
|
18.2
|
17000
|
28000
|
170
|
510
|
1020
|
109
|
153
|
193
|
0.19
|
7009C
|
45
|
75
|
16
|
1
|
0.3
|
50.5
|
69.5
|
1.0
|
0.3
|
26.7
|
25.3
|
17000
|
28000
|
140
|
420
|
840
|
46
|
67
|
85
|
0.23
|
7009AC
|
45
|
75
|
16
|
1
|
0.3
|
50.5
|
69.5
|
1.0
|
0.3
|
25.4
|
24.1
|
16000
|
26000
|
320
|
690
|
1380
|
123
|
172
|
216
|
0.23
|
7010C
|
50
|
80
|
16
|
1
|
0.3
|
55.5
|
74.5
|
1.0
|
0.3
|
27.6
|
27.5
|
16000
|
26000
|
145
|
430
|
860
|
49
|
71
|
89
|
0.25
|
7010AC
|
50
|
80
|
16
|
1
|
0.3
|
55.5
|
74.5
|
1.0
|
0.3
|
26.2
|
26.2
|
15000
|
24000
|
235
|
700
|
1400
|
130
|
182
|
229
|
0.25
|
7011C
|
55
|
90
|
18
|
1.1
|
0.6
|
61.5
|
83.5
|
1.1
|
0.6
|
36.7
|
37.1
|
14000
|
22000
|
195
|
580
|
1160
|
56
|
81
|
103
|
0.37
|
7011AC
|
55
|
90
|
18
|
1.1
|
0.6
|
61.5
|
83.5
|
1.1
|
0.6
|
34.8
|
35.3
|
13000
|
20000
|
315
|
940
|
1880
|
150
|
210
|
264
|
0.37
|
7012C
|
60
|
95
|
18
|
1.1
|
0.6
|
66.5
|
88.5
|
1.1
|
0.6
|
37.8
|
40.0
|
14000
|
20000
|
500
|
600
|
1200
|
59
|
85
|
108
|
0.39
|
7012AC
|
60
|
95
|
18
|
1.1
|
0.6
|
66.5
|
88.5
|
1.1
|
0.6
|
35.8
|
38.0
|
12000
|
19000
|
325
|
970
|
1940
|
158
|
221
|
278
|
0.39
|
7013C
|
65
|
100
|
18
|
1.1
|
0.6
|
71.5
|
93.5
|
1.1
|
0.6
|
38.9
|
42.9
|
13000
|
20000
|
210
|
630
|
1260
|
62
|
90
|
114
|
0.42
|
7013AC
|
65
|
100
|
18
|
1.1
|
0.6
|
71.5
|
93.5
|
1.1
|
0.6
|
36.8
|
40.7
|
11000
|
18000
|
330
|
990
|
1900
|
165
|
232
|
292
|
0.42
|
7014C
|
70
|
110
|
20
|
1.1
|
0.6
|
77.5
|
103
|
1.1
|
0.6
|
49.9
|
55.5
|
12000
|
19000
|
270
|
810
|
1620
|
70
|
102
|
129
|
0.59
|
7014AC
|
70
|
110
|
20
|
1.1
|
0.6
|
77.5
|
103
|
1.1
|
0.6
|
47.2
|
52.7
|
10000
|
17000
|
425
|
1270
|
2540
|
188
|
263
|
331
|
0.59
|
7015C
|
75
|
115
|
20
|
1.1
|
0.6
|
82.5
|
108
|
1.1
|
0.6
|
51.3
|
59.2
|
11000
|
18000
|
248
|
820
|
1640
|
74
|
106
|
135
|
0.62
|
7015AC
|
75
|
115
|
20
|
1.1
|
0.6
|
82.5
|
108
|
1.1
|
0.6
|
48.5
|
56.2
|
9500
|
16000
|
435
|
1300
|
2600
|
197
|
276
|
346
|
0.62
|
7016C
|
80
|
125
|
22
|
1.1
|
0.6
|
88
|
117
|
1.1
|
0.6
|
61.6
|
70.4
|
10000
|
17000
|
330
|
990
|
1980
|
78
|
113
|
144
|
0.83
|
7016AC
|
80
|
125
|
22
|
1.1
|
0.6
|
88
|
117
|
1.1
|
0.6
|
58.3
|
66.9
|
9000
|
15000
|
525
|
1570
|
3140
|
209
|
294
|
369
|
0.83
|
7017C
|
85
|
130
|
22
|
1.1
|
0.6
|
93
|
122
|
1.1
|
0.6
|
63.3
|
75.0
|
9500
|
16000
|
340
|
1000
|
2000
|
82
|
119
|
150
|
0.87
|
7017AC
|
85
|
130
|
22
|
1.1
|
0.6
|
93
|
122
|
1.1
|
0.6
|
59.9
|
71.3
|
8500
|
14000
|
540
|
1620
|
3240
|
219
|
307
|
386
|
0.87
|
7018C
|
90
|
140
|
24
|
1.5
|
0.6
|
100.5
|
130
|
1.5
|
0.6
|
66.9
|
84.0
|
9000
|
15000
|
360
|
1050
|
2100
|
89
|
129
|
163
|
1.18
|
7018AC
|
90
|
140
|
24
|
1.5
|
0.6
|
100.5
|
130
|
1.5
|
0.6
|
63.2
|
79.7
|
8000
|
13000
|
570
|
1710
|
3420
|
239
|
335
|
421
|
1.18
|
7019C
|
95
|
145
|
24
|
1.5
|
0.6
|
104
|
136
|
1.5
|
0.6
|
79.1
|
97.6
|
8500
|
14000
|
420
|
1250
|
2500
|
94
|
137
|
173
|
1.20
|
7019AC
|
95
|
145
|
24
|
1.5
|
0.6
|
104
|
136
|
1.5
|
0.6
|
74.8
|
92.7
|
7500
|
12000
|
670
|
2010
|
4020
|
253
|
354
|
446
|
1.20
|
7020C
|
100
|
150
|
24
|
1.5
|
0.6
|
109
|
141
|
1.5
|
0.6
|
81.2
|
103.3
|
8000
|
13000
|
430
|
1290
|
2580
|
98
|
142
|
180
|
1.25
|
7020AC
|
100
|
150
|
24
|
1.5
|
0.6
|
109
|
141
|
1.5
|
0.6
|
76.7
|
98.0
|
7000
|
11000
|
690
|
2070
|
4140
|
263
|
370
|
464
|
1.25
|
7021C
|
105
|
160
|
26
|
2
|
1
|
115
|
150
|
2.0
|
1.0
|
93.9
|
118.2
|
7500
|
12000
|
500
|
1500
|
3000
|
103
|
149
|
189
|
1.58
|
7021AC
|
105
|
160
|
26
|
2
|
1
|
115
|
150
|
2.0
|
1.0
|
88.8
|
112.2
|
7000
|
11000
|
800
|
2400
|
4800
|
276
|
387
|
487
|
1.58
|
7022C
|
110
|
170
|
28
|
2
|
1
|
121
|
159
|
2.0
|
1.0
|
110.4
|
139.8
|
7000
|
11000
|
590
|
1750
|
3500
|
112
|
162
|
205
|
1.97
|
7022AC
|
110
|
170
|
28
|
2
|
1
|
121
|
159
|
2.0
|
1.0
|
104.4
|
132.8
|
6700
|
10000
|
950
|
2850
|
5700
|
299
|
421
|
592
|
1.97
|
7024C
|
120
|
180
|
28
|
2
|
1
|
131
|
169
|
2.0
|
1.0
|
112.7
|
148.7
|
7000
|
11000
|
600
|
1800
|
3600
|
116
|
169
|
213
|
2.11
|
7024AC
|
120
|
180
|
28
|
2
|
1
|
131
|
169
|
2.0
|
1.0
|
106.5
|
141.1
|
6700
|
10000
|
970
|
2910
|
5820
|
312
|
438
|
550
|
2.11
|
7026C
|
130
|
200
|
33
|
2
|
1
|
142.5
|
187.5
|
2.0
|
1.0
|
144.8
|
190.8
|
6700
|
10000
|
750
|
2200
|
4400
|
129
|
187
|
236
|
3.18
|
7026AC
|
130
|
200
|
33
|
2
|
1
|
142.5
|
187.5
|
2.0
|
1.0
|
136.8
|
181.0
|
6000
|
9000
|
1200
|
3600
|
7200
|
346
|
485
|
610
|
3.18
|
7028C
|
140
|
210
|
33
|
2
|
1
|
152.5
|
197.5
|
2.0
|
1.0
|
148.7
|
202.6
|
6000
|
9000
|
800
|
2400
|
4800
|
134
|
194
|
264
|
3.37
|
7028AC
|
140
|
210
|
33
|
2
|
1
|
152.5
|
197.5
|
2.0
|
1.0
|
140.4
|
192.2
|
5600
|
8500
|
1300
|
3900
|
7800
|
350
|
505
|
625
|
3.37
|
7030C
|
150
|
225
|
35
|
2.1
|
1.1
|
163.5
|
211.5
|
2.1
|
1.1
|
168.4
|
232.5
|
5600
|
8500
|
900
|
2700
|
5400
|
143
|
207
|
262
|
4.10
|
7030AC
|
150
|
225
|
35
|
2.1
|
1.1
|
163.5
|
211.5
|
2.1
|
1.1
|
159.1
|
220.6
|
5000
|
7500
|
1400
|
4200
|
8400
|
384
|
539
|
677
|
4.10
|
7032C
|
160
|
240
|
38
|
2.1
|
1.1
|
174.5
|
225.5
|
2.1
|
1.1
|
189.1
|
264.5
|
5000
|
7500
|
1000
|
3000
|
6000
|
151
|
220
|
278
|
5.07
|
7032AC
|
160
|
240
|
38
|
2.1
|
1.1
|
174.5
|
225.5
|
2.1
|
1.1
|
178.6
|
251.0
|
4800
|
7000
|
1600
|
4800
|
9600
|
4077
|
572
|
719
|
5.07
|
7034C
|
170
|
260
|
42
|
2.1
|
1.1
|
188
|
242
|
2.1
|
1.1
|
205.6
|
299.3
|
4800
|
7000
|
1100
|
3300
|
6600
|
158
|
230
|
291
|
6.90
|
7034AC
|
170
|
260
|
42
|
2.1
|
1.1
|
188
|
242
|
2.1
|
1.1
|
194.2
|
284.0
|
4300
|
6300
|
1750
|
5200
|
10000
|
427
|
600
|
754
|
6.90
|
7036C
|
180
|
280
|
46
|
2.1
|
1.1
|
201.5
|
259
|
2.1
|
1.1
|
229.5
|
352.1
|
4500
|
6700
|
1200
|
3600
|
7200
|
172
|
250
|
317
|
9.21
|
7036AC
|
180
|
280
|
46
|
2.1
|
1.1
|
201.5
|
259
|
2.1
|
1.1
|
216.8
|
334.1
|
4000
|
6000
|
1950
|
5800
|
11500
|
465
|
653
|
821
|
9.21
|
7038C
|
190
|
290
|
46
|
2.1
|
1.1
|
211.5
|
269
|
2.1
|
1.1
|
235.1
|
370.8
|
4300
|
6300
|
1300
|
3800
|
7600
|
179
|
260
|
328
|
9.61
|
7038AC
|
190
|
290
|
46
|
2.1
|
1.1
|
211.5
|
269
|
2.1
|
1.1
|
222.1
|
351.8
|
3800
|
5600
|
2000
|
6000
|
12000
|
483
|
678
|
852
|
9.61
|
7040C
|
200
|
310
|
51
|
2.1
|
1.1
|
220
|
290
|
2.1
|
1.1
|
289.1
|
471.4
|
3800
|
5600
|
1600
|
4800
|
9600
|
186
|
270
|
342
|
12.10
|
7040AC
|
200
|
310
|
51
|
2.1
|
1.1
|
220
|
290
|
2.1
|
1.1
|
273.1
|
447.3
|
3600
|
5300
|
2500
|
7500
|
75000
|
504
|
707
|
889
|
12.10
|
|