1+ Hub carrier  
2+ Grease nipple  
3+ Hub cap carrier  
4+ Hub  
5+ Wheel stud  
6+ .Water thrower  
7+ Oil seal  
8+ Oil seal track  
9+ Hub bearing  
10+ Hub bearing  
11+ Rear hub spacer  
12+ Hub oil seal  
13+ Oil seal track  
19+ Slotted nut  
20+ Split pin  
21+ Pinion nut washer  

The part numbers in the assembly image below relate to the product number in the table. Clicking on the part number will open up the relevant part details.