31311HD NTN Bower tapered roller bearing set fits a 55mm bore, 120mm outside diameter, with a 31.5mm assembled width. The cone measures 29mm wide and the cup 25mm wide, matching catalog series 30311. This set carries a dynamic load rating of 132 kN and a static load rating of 154 kN, built to ABEC-1, RBEC-1, JIS-0, and ISO-Normal tolerance class. A genuine NTN Bower part from Pro Gear and Transmission.
Interchanges:
- Timken 31311 $320.81
Features
55mm bore (ID)
120mm outside diameter (OD)
31.5mm assembled width
Cone width 29mm, cup width 25mm
Dynamic load rating 132 kN, static load rating 154 kN
Catalog series 30311, ABEC-1 / RBEC-1 / JIS-0 / ISO-Normal tolerance class
Tech Specs
- ID: 55 mm
- OD: 120 mm
- Assembled width: 31.5 mm
- Cone width: 29 mm
- Cup width: 25 mm
- Dynamic load rating: 132 kN
- Static load rating: 154 kN
- Catalog series: 30311
- Tolerance class: ABEC-1, RBEC-1, JIS-0, ISO-Normal
