KOYO angular contact ball bearings
| Boundary dimensions
(mm) |
r1 1) min. |
Basic load ratings (kN)
Single row Matched pair Cr C0r Cr C0r |
Fatigue load limit (kN) Cu
(Single row) (Matched pair) |
Single row |
Bearing No.
Back-to-back Face-to-face DB DF |
De-
sign |
Load center
(mm) a a1 a2 |
da min. |
Mounting dimensions
(mm) db Da Db ra min. max. max. max. |
rb max. |
(Refer.)
Mass Single row (kg) |
||||||||||||||
| d D B C | r
min. |
||||||||||||||||||||||||
| 160 | 290
340 340 |
48
68 68 |
—
— — |
3
4 4 |
1.1
1.5 1.5 |
297
456 415 |
279
455 416 |
482
741 675 |
557
909 831 |
9.60
14.9 13.6 |
19.2
29.7 27.2 |
7232B
7332 7332B |
7232BDB
7332DB 7332BDB |
7232BDF
7332DF 7332BDF |
1
1 1 |
118.4 106.2 138.9 | 236.8 212.3 277.8 | 140.8 76.3 141.8 | 174
178 178 |
— | 276
322 322 |
283
331.5 331.5 |
2.5 3
3 |
1
1.5 1.5 |
12.1
26.4 26.4 |
| 170 | 230
230 249.5 249.5 260 260 310 310 360 360 |
28
28 38 38 42 42 52 52 72 72 |
—
— — —
— — —
— |
2
2 2 2 2.1 2.1 4 4 4 4 |
1
1 1 1 1.1 1.1 1.5 1.5 1.5 1.5 |
142
126 198 177 232 208 340 306 486 444 |
139
122 186 165 214 193 331 300 485 444 |
230
205 321 287 377 338 552 497 789 721 |
278
243 371 329 429 386 661 600 969 888 |
5.10
4.45 6.60 5.85 7.90 6.90 11.0 10.0 15.4 14.1 |
10.2
8.85 13.2 11.7 15.8 13.8 22.0 20.0 30.7 28.2 |
7934
7934B AC342538 AC342538B 7034 7034B 7234 7234B 7334 7334B |
7934DB
7934BDB AC342538DB AC342538BDB 7034DB 7034BDB 7234DB 7234BDB 7334DB 7334BDB |
7934DF
7934BDF AC342538DF AC342538BDF 7034DF 7034BDF 7234DF 7234BDF 7334DF 7334BDF |
1
1 1 2 1 1 1 1 1 1 |
71.7 97.9 79.6
107.1 83.1 111.2 95.3 126.7 112.5 147.2 |
143.5 195.8 159.3
214.2 166.2 222.4 190.6 253.4 225.0 294.4 |
87.5 139.8 83.3
138.2 82.2 138.4 86.6 149.4 81.0 150.4 |
180
180 180 180 182 182 188 188 188 188 |
175.5
— — |
220
220 239.5 239.5 248 248 292 292 342 342 |
224.5 224.5
244 244 253 253 301.5 301.5 351.5 351.5 |
2
2 2 2 2 2 3 3 3 3 |
1
1 1 1 1 1 1.5 1.5 1.5 1.5 |
3.20 3.20 5.80
6.10 7.58 7.77 15.1 15.1 31.2 31.2 |
| 175 | 235 | 30 | 27 | 2 | 1 | 118 | 115 | 191 | 230 | 4.15 | 8.30 | AC3524B | AC3524BDB — | 3 | 101.0 | 202.0 | — | 185 | 225 | 229.5 | 2 | 1 | 6.40 | ||
| 180 | 250
250 259.5 259.5 265 280 280 320 320 380 |
33
33 33 33 33 46 46 52 52 75 |
—
— — —
— — —
— |
2
2 2 2 2 2.1 2.1 4 4 4 |
1
1 1 1 2 1.1 1.1 1.5 1.5 1.5 |
181
161 180 160 179 265 237 367 331 466 |
177
154 176 154 171 253 228 362 329 488 |
294
262 292 261 291 430 385 596 538 757 |
353
309 353 308 341 506 457 724 657 976 |
6.25
5.45 6.15 5.35 5.90 9.15 7.95 11.8 10.7 15.1 |
12.5
10.9 12.3 10.7 11.8 18.3 15.9 23.7 21.5 30.1 |
7936
7936B AC3626 AC3626B AC3627B 7036 7036B 7236 7236B 7336B |
7936DB
7936BDB AC3626DB AC3626BDB AC3627BDB 7036DB 7036BDB 7236DB 7236BDB 7336BDB |
7936DF
7936BDF AC3626DF AC3626BDF
7036DF 7036BDF 7236DF 7236BDF 7336BDF |
1
1 1 1 2 1 1 1 1 1 |
78.6 106.7 80.0
108.8 110.1 89.4 119.5 98.2 130.9 155.0 |
157.2 213.4 160.0
217.6 220.1 178.8 239.0 196.3 261.8 309.9 |
91.2 147.4 94.0
151.6 — 86.8 147.0 92.3 157.8 159.9 |
190
190 190 190 190 192 192 198 198 198 |
— | 240
240 249.5 249.5 255 268 268 302 302 362 |
244.5 244.5
254 254 255 273 273 311.5 311.5 371.5 |
2
2 2 2 2 2 2 3 3 3 |
1
1 1 1 2 1 1 1.5 1.5 1.5 |
4.80 4.70 5.60
5.70 6.3 10.1 10.2 15.7 15.7 40.0 |
| 190 | 255
259.5 260 |
33
35 33 |
29
— — |
2
2 2 |
1.1
SP 1 |
137
148 179 |
136
147 176 |
222
240 291 |
272
295 352 |
4.70
5.10 6.05 |
9.40
10.2 12.1 |
AC382633B
AC382635AB 7938 |
AC382633BDB — | 3
2 1 |
109.8 111.9 81.5 | 219.7 223.8 162.9 | —
153.8 96.9 |
200
200 200 |
200 |
245
249.5 250 |
248
249 254.5 |
2
2 2 |
1
1 1 |
4.30 5.00 5.00 | |
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