Single-row cylindrical roller bearings
N326M Cylindrical Roller Bearing Dimensions & Specifications
N326M cylindrical roller bearing: 130 mm bore (d), 280 mm outside diameter (D), 58 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 130 mm |
|---|---|
| Outside diameter D | 280 mm |
| Width B | 58 mm |
| Mass | 17.8 kg |
| Catalogue dynamic load Cr | 550 kN |
| Catalogue static load Cor | 720 kN |
| Grease-lubricated speed grease | 1800 rpm |
| Oil-lubricated speed oil | 2200 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Db Db | 258 mm |
|---|---|
| Abutment dimension da da | 149 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 Ew Ew | 243 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for N326M?
The N326M catalogue lists da = 149 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 N326M?
The listed values for N326M are grease: 1800 rpm; oil: 2200 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 N326M?
The catalogue reference mass for N326M is 17.8 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.