| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| BTW 40 CTN9/SP | 40 | 68 | 36 |
| BTW 35 CTN9/SP | 35 | 62 | 34 |
| 71972 CDMA/P4A | 360 | 480 | 56 |
| 71972 CDMA/HCP4A | 360 | 480 | 56 |
| 71972 ACDMA/P4A | 360 | 480 | 56 |
| 71972 ACDMA/HCP4A | 360 | 480 | 56 |
| 71968 ACDMA/HCP4A | 340 | 460 | 56 |
| 71968 ACDMA/P4A | 340 | 460 | 56 |
| 71968 CDMA/P4A | 340 | 460 | 56 |
| 71968 CDMA/HCP4A | 340 | 460 | 56 |
| 71964 ACDMA/HCP4A | 320 | 440 | 56 |
| 71964 ACDMA/P4A | 320 | 440 | 56 |
| 71964 CDMA/HCP4A | 320 | 440 | 56 |
| 71964 CDMA/P4A | 320 | 440 | 56 |
| 71960 CDMA/P4A | 300 | 420 | 56 |
| 71960 ACDMA/HCP4A | 300 | 420 | 56 |
| 71960 CDMA/HCP4A | 300 | 420 | 56 |
| 71960 ACDMA/P4A | 300 | 420 | 56 |
| 71956 CD/P4A | 280 | 380 | 46 |
| 71956 CD/HCP4A | 280 | 380 | 46 |
| 71956 ACD/HCP4A | 280 | 380 | 46 |
| 71956 ACD/P4A | 280 | 380 | 46 |
| 71952 CD/HCP4AL | 260 | 360 | 46 |
| 71952 ACD/HCP4AL | 260 | 360 | 46 |
| 7052 CD/P4A | 260 | 400 | 65 |
| 71952 ACD/P4AL | 260 | 360 | 46 |
| 71952 CD/P4AL | 260 | 360 | 46 |
| 71952 CD/HCP4A | 260 | 360 | 46 |
| 7052 ACD/P4A | 260 | 400 | 65 |
| 71952 ACD/P4A | 260 | 360 | 46 |
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