Single-row cylindrical roller bearings
NU38/800 Cylindrical Roller Bearing Dimensions & Specifications
NU38/800 cylindrical roller bearing: 800 mm bore (d), 980 mm outside diameter (D), 136 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 800 mm |
|---|---|
| Outside diameter D | 980 mm |
| Width B | 136 mm |
| Mass | 219 kg |
| Catalogue dynamic load Cr | 2530 kN |
| Catalogue static load Cor | 7050 kN |
| Grease-lubricated speed grease | 400 rpm |
| Oil-lubricated speed oil | 480 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 940 mm |
|---|---|
| Abutment dimension db db | 837 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 | 848 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU38/800?
The NU38/800 catalogue lists Da = 940 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 NU38/800?
The listed values for NU38/800 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 NU38/800?
The catalogue reference mass for NU38/800 is 219 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.