Single-row cylindrical roller bearings
NUP1052M Cylindrical Roller Bearing Dimensions & Specifications
NUP1052M cylindrical roller bearing: 260 mm bore (d), 400 mm outside diameter (D), 65 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 260 mm |
|---|---|
| Outside diameter D | 400 mm |
| Width B | 65 mm |
| Mass | 37.2 kg |
| Catalogue dynamic load Cr | 645 kN |
| Catalogue static load Cor | 1000 kN |
| Grease-lubricated speed grease | 1500 rpm |
| Oil-lubricated speed oil | 1800 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 376 mm |
|---|---|
| Abutment dimension db db | 282 mm |
| Minimum chamfer r12 r12 | 4 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Maximum fillet ra ra | 3 mm |
| Maximum fillet rb rb | 3 mm |
| Roller envelope diameter Fw Fw | 296 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NUP1052M?
The NUP1052M catalogue lists Da = 376 mm; ra ≤ 3 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 NUP1052M?
The listed values for NUP1052M are grease: 1500 rpm; oil: 1800 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 NUP1052M?
The catalogue reference mass for NUP1052M is 37.2 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

