Single-row cylindrical roller bearings
NU1996 Cylindrical Roller Bearing Dimensions & Specifications
NU1996 cylindrical roller bearing: 480 mm bore (d), 650 mm outside diameter (D), 78 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 480 mm |
|---|---|
| Outside diameter D | 650 mm |
| Width B | 78 mm |
| Mass | 75.0 kg |
| Catalogue dynamic load Cr | 1200 kN |
| Catalogue static load Cor | 2390 kN |
| Grease-lubricated speed grease | 400 rpm |
| Oil-lubricated speed oil | 480 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 617 mm |
|---|---|
| Abutment dimension db db | 510 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 5 mm |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 4 mm |
| Roller envelope diameter Fw Fw | 525 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU1996?
The NU1996 catalogue lists Da = 617 mm; ra ≤ 4 mm. Check these symbols against the bearing drawing and the shaft/housing shoulders; they are not shaft or housing fit tolerances.
What speed values are available for NU1996?
The listed values for NU1996 are grease: 400 rpm; oil: 480 rpm. These catalogue references do not determine a safe operating speed on their own. Confirm load, clearance, lubrication and heat conditions for the application.
What is the reference mass of NU1996?
The catalogue reference mass for NU1996 is 75.0 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.