| Dimensions (mm) | ||
| D | 85 | |
| B | 49.2 | |
| C | 27.8 | |
| S | 19 | |
| S1 | 30.2 | |
| a | 3.18 | |
| r | 1.65 | |
| D2 (Max.) | 91.6 | |
| G | 8 | |
| ds | (mm) | |
| (in.UNF) | 5/16-24 | |
| Ca | 7.5 | |
Bearing No. | Shaft Dia | Basic Load Rating (KN) | Weight(kg) | ||
| d | Dynamic Cr | Static Cor | |||
| (in) | (mm) | ||||
| SER209-28 | 1-3/4 | 31.85 | 20.8 | 0.95 | |
| insert bearing: | ball bearing SER2 series,standard duty,snap ring | |
| locking type: | set screw locking (setscrew port annealed) | |
| material: | outer/inner ring: Gcr15(AISI52100) steel; steel ball: G10 grade | |
| retainer: steel cage. | ||
| Brand: | LDK | |
| Lubricant | SHELL GADUS S2 V220 2 | |
| seal: | Nitrile rubber | |
| Oil groove and holes of outer ring is at opposite side of setscrew | ||
Kenneth Zhang: 19959266209
Benjamin Zhang: 13906058255
Jacy Lin: 15959344117
Spring Zhang: 18206090020
