| Dimensions(mm) | ||
| d +0.038 -0.012 | 6.35 | |
| B | 9.53 | |
| C1 | 7.14 | |
| d1 | 9.02 | |
| d2 | 19.05 | |
| d3 | UNF-2B | 1/4-28 |
| h1 | 33.32 | |
| L3 | 17.45 | |
| L4 | 42.85 | |
| L5 | 4.75 | |
| d4 | 9.52 | |
| d5 | 11.89 | |
| sw | 9.52 | |
Bearing No. | Ball dia | a° mis. angle | Load ratings (KN) | weight ≈kg | |
| Dynamic Cr | Static Cor | ||||
| SPHSB4EC | 12.7 | 13 | 4.8 | 11 | 0.025 |
Kenneth Zhang: 19959266209
Benjamin Zhang: 13906058255
Jacy Lin: 15959344117
Spring Zhang: 18206090020
