| Dimensions (mm) | ||
| N1 | 19 | |
| L2 | 16 | |
| H2 | 83 | |
| N2 | 49 | |
| N | 29 | |
| L3 | 86 | |
| A1 | 16 | |
| H1 | 102 | |
| H | 117 | |
| L | 149 | |
| A | 49 | |
| A2 | 37 | |
| L1 | 90 | |
| B1 | 62.7 | |
| s | 24.6 | |
| Unit No. | Shaft Dia | Weight (kg) | |
| d | |||
| (in) | (mm) | ||
| NAT210-31 | 1-15/16 | 2.81 | |
| Bearing housing | take up units | insert bearing: | ball bearing NA2 series,standard duty,wider inner ring | ||
| Brand: | LDK brand | locking type: | eccentric locking collar | ||
| material | HT200 cast grey iron | material: | outer/inner ring: Gcr15(AISI52100) steel; steel ball: G10 | ||
| zerk fittings | Zinc plated A3 steel | retainer: steel cage. | |||
| at 30° position | Lubricant | SHELL GADUS S2 V220 2 only | |||
| paint | dark green | other: | oil groove and holes of outer ring are at same side of eccentric locking collar | ||
| base | -- | anti-rotation pin at opposite side of eccentric locking collar | |||
Kenneth Zhang: 19959266209
Benjamin Zhang: 13906058255
Jacy Lin: 15959344117
Spring Zhang: 18206090020