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Four Row Series
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Bearing No.
Boundary dimensions(mm)
Basic load ratings(kN)
Mass
d
D
B
T
r min
r1 min
Dynamic(Cr)
Static(Cor)
Kg
77928
139.7
200.025
157.162
160.338
1.1
1.8
535
1870
16.2
2077930
150
210
165
165
0.7
2.3
600
1590
21.2
77730
150
225
136
136
3
2.5
540
1460
17.7
2077134
170
260
230
230
3
2.5
940
3100
43
77736
180
280
180
180
3
2.5
835
2540
39.6
77740
200
310
200
200
3
2.5
1970
1520
55.6
20777140
200
310
275
275
3
2.5
1230
4200
75.1
77741
205
320
205
205
4
3
1060
2850
55.4
20777144
220
340
305
305
4
3
2290
5950
99.5
20777148
240
360
310
310
4
3
3300
210
90.5
77750K
250
460
270
270
5
4
2250
6400
192
382952/HC
260
360
265
265
3
2.5
1730
5050
77.8
77752
260
400
255
255
3.7
7.5
1480
4950
117
7752G
260
400
255
255
5
4
1910
490
117
382052
260
400
345
345
5
4
2850
7700
161
777752
260
440
300
300
2
5
2670
5850
182
77756
280
420
250
250
5
5
1540
5300
119
77860U
300
420
310
310
4
3
2020
8100
134
2077160
300
460
390
390
5
4
3850
10200
222
77760U
300
500
350
350
5
4
2730
8900
280
2077164
320
480
380
380
5
4
3000
11500
252
2077968
340
460
310
310
4
4
2200
9300
147
371068
340
520
325
325
5
4
3200
8200
247
77872
360
480
375
375
4
4
2550
11800
197
1077772
360
600
420
420
4.7
4.7
3950
13500
388
77776
380
550
330
350
5
5
2490
9450
273
3077776
380
620
388
388
6
6
3450
11600
443
381176/HC
380
620
420
420
5
4
5050
12600
485
381176/HCC9
380
620
420
420
5
4
5050
12600
485
77779
395
545
268.7
288.7
4
7.5
2130
6500
194
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