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7300 Series
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Bearing Numbers
Principal dimensions(mm)
Basic load ratings(N)
Basic load ratings(kgf)
Value
Limiting Speed (rpm)
Distance of action point(mm)
Abutment and fillet dimensions
Weight
Basic load ratings(duplex bearing) (N)
Basic load ratings(duplex bearing) (kgf)
Limiting Speed(duplex bearing) (rpm)
Distance of action point (duplex bearing)(a0)
Installation dimensions(duplex bearing)
Single row
DB
DF
DT
d
D
B
r(min)
r1(min)
Cr
Cor
Cr
Cor
fo
Grease
Oil
a
da(min)
Da(max)
ra(max)
(kg)
Cr
Cor
Cr
Cor
Grease
Oil
back-to-back arrangement
face-to-face arrangement
db(min)
Db(max)
rb(max)
7318A
7318DB
7318DF
7318DT
90
190
43
3
1.1
171000
147000
17400
15000
14.1
3200
4300
61.9
104
176
2.5
5.06
277000
294000
28300
30000
2600
3400
123.8
37.8
97
183
1
7318B
7318DB
7318DF
7318DT
90
190
43
3
1.1
156000
135000
15900
13800
14.6
2800
3800
80.2
104
176
2.5
5.17
254000
270000
25900
27600
2200
3000
160.5
74.5
97
183
1
7319A
7319DB
7319DF
7319DT
95
200
45
3
1.1
183000
162000
18600
16600
14.1
3000
4000
65.1
109
186
2.5
5.83
297000
325000
30500
33000
2400
3200
130.2
40.2
102
193
1
7319B
7319DB
7319DF
7319DT
95
200
45
3
1.1
167000
149000
17100
15200
14.6
2600
3600
84.3
109
186
2.5
5.98
272000
298000
27700
30500
2200
3000
168.7
78.7
102
193
1
7320A
7320DB
7320DF
7320DT
100
215
47
3
1.1
207000
193000
21100
19700
14
2800
3800
69
114
201
2.5
7.29
335000
385000
34500
39500
2200
3000
137.9
43.9
107
208
1
7320B
7320DB
7320DF
7320DT
100
215
47
3
1.1
190000
178000
19400
18100
14.5
2400
3400
89.6
114
201
2.5
7.43
310000
355000
31500
36000
2000
2800
179.2
85.2
107
208
1
7321A
7321DB
7321DF
7321DT
105
225
49
3
1.1
208000
193000
21200
19700
14.2
2600
3600
72.1
119
211
2.5
9.34
335000
385000
34500
39500
2200
2800
144.3
46.3
-
218
1
7321B
7321DB
7321DF
7321DT
105
225
49
3
1.1
191000
177000
19400
18100
14.5
2400
3200
93.7
119
211
2.5
9.43
310000
355000
31500
36000
1900
2600
187.4
89.4
-
218
1
7322A
7322DB
7322DF
7322DT
110
240
50
3
1.1
220000
215000
22500
21900
14.2
2600
3400
75.5
124
226
2.5
11.1
360000
430000
36500
44000
2000
2600
151
51
-
233
1
7322B
7322DB
7322DF
7322DT
110
240
50
3
1.1
201000
197000
20500
20100
14.8
2200
3000
98.4
124
226
2.5
11.2
325000
395000
33500
40000
1800
2400
196.8
96.8
-
233
1
7324A
7324DB
7324DF
7324DT
120
260
55
3
1.1
246000
252000
25100
25700
14.2
2200
3000
82.3
134
246
2.5
14.5
400000
505000
41000
51500
1800
2400
164.7
54.7
-
253
1
7324B
7324DB
7324DF
7324DT
120
260
55
3
1.1
225000
231000
23000
23600
14.8
2000
2800
107.2
134
246
2.5
14.4
365000
460000
37500
47000
1600
2200
214.4
104.4
-
253
1
7326A
7326DB
7326DF
7326DT
130
280
58
4
1.5
273000
293000
27900
29800
14.2
2200
2800
88.2
148
262
3
17.5
445000
585000
45500
59500
1700
2200
176.3
60.3
-
271
1.5
7326B
7326DB
7326DF
7326DT
130
280
58
4
1.5
250000
268000
25500
27400
14.8
1900
2600
115
148
262
3
17.6
405000
535000
41500
54500
1500
2000
230
114
-
271
1.5
7328A
7328DB
7328DF
7328DT
140
300
62
4
1.5
300000
335000
30500
34500
14.3
2000
2600
94.5
158
282
3
21.4
490000
670000
50000
68500
1600
2000
189
65
-
291
1.5
7328B
7328DB
7328DF
7328DT
140
300
62
4
1.5
275000
310000
28100
31500
14.8
1700
2400
123.3
158
282
3
21.6
445000
615000
45500
63000
1400
1900
246.6
122.6
-
291
1.5
7330A
7330DB
7330DF
7330DT
150
320
65
4
1.5
315000
370000
32500
38000
14.5
1800
2400
100.3
168
302
3
26
515000
745000
52500
75500
1500
1900
200.7
70.7
-
311
1.5
7330B
7330DB
7330DF
7330DT
150
320
65
4
1.5
289000
340000
29400
34500
15
1600
2200
131.1
168
302
3
25.9
470000
680000
48000
69500
1300
1800
262.2
132.2
-
311
1.5
7332A
7332DB
7332DF
7332DT
160
340
68
4
1.5
345000
420000
35500
43000
14.5
1700
2200
106.2
178
322
3
30.7
565000
845000
57500
86000
1400
1800
212.3
76.3
-
331
1.5
7332B
7332DB
7332DF
7332DT
160
340
68
4
1.5
315000
385000
32000
39500
15
1500
2000
138.9
178
322
3
30.8
515000
770000
52500
78500
1200
1700
277.8
141.8
-
331
1.5
7334A
7334DB
7334DF
7334DT
170
360
72
4
1.5
390000
485000
39500
49500
14.3
1600
2200
112.5
188
342
3
35.8
630000
970000
64500
99000
1300
1700
225
81
-
351
1.5
7334B
7334DB
7334DF
7334DT
170
360
72
4
1.5
355000
445000
36000
45500
14.8
1400
2000
147.2
188
342
3
35.6
575000
890000
59000
90500
1100
1600
294.3
150.3
-
351
1.5
7336A
7336DB
7336DF
7336DT
180
380
75
4
1.5
410000
535000
41500
54500
14.5
1500
2000
118.3
198
362
3
42.1
665000
1070000
68000
109000
1200
1600
236.6
86.6
-
371
1.5
7336B
7336DB
7336DF
7336DT
180
380
75
4
1.5
375000
490000
38000
50000
15
1300
1800
155
198
362
3
42.6
605000
975000
62000
99500
1100
1500
309.9
159.9
-
371
1.5
7338A
7338DB
7338DF
7338DT
190
400
78
5
2
450000
600000
46000
61000
14.3
1400
1900
124.2
212
378
4
47.5
730000
1200000
74500
122000
1100
1500
248.3
92.3
-
390
2
7338B
7338DB
7338DF
7338DT
190
400
78
5
2
410000
550000
42000
56000
14.8
1300
1700
162.8
212
378
4
47.2
670000
1100000
68000
112000
1000
1400
325.5
169.5
-
390
2
7340A
7340DB
7340DF
7340DT
200
420
80
6
2
475000
660000
48500
67000
14.5
1300
1800
129.5
222
398
4
54.4
770000
1320000
78500
134000
1100
1400
259
99
-
410
2
7340B
7340DB
7340DF
7340DT
200
420
80
5
2
430000
600000
44000
61500
15
1200
1600
170.1
222
398
4
55.3
700000
1200000
71500
123000
950
1300
340.1
180.1
-
410
2
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