| Dimensions (mm) | ||
| L | 162 | |
| J | 130 | |
| A2 | 31 | |
| A1 | 21 | |
| A | 49 | |
| N | 18 | |
| B1 | 71.4 | |
| S | 27.7 | |
| Z | 74.6 | |
| Unit No. | Shaft Dia | Bolt Size (mm) | Weight | |
| d | (kg) | |||
| (in) | (mm) | |||
| NAFS211 | 55 | M16 | 4.1 | |
| Bearing housing | 4-bolt flange 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. | |||
| paint | dark green | Lubricant | SHELL GADUS S2 V220 2 only | ||
| base | hollow base | other: | oil groove and holes of outer ring are at same side of eccentric locking collar | ||
| anti-rotation pin at opposite side of eccentric locking collar | |||||
Kenneth Zhang: 19959266209
Benjamin Zhang: 13906058255
Jacy Lin: 15959344117
Spring Zhang: 18206090020
