Single-row cylindrical roller bearings
N244M Cylindrical Roller Bearing Dimensions & Specifications
N244M cylindrical roller bearing: 220 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 | 220 mm |
|---|---|
| Outside diameter D | 400 mm |
| Width B | 65 mm |
| Mass | 36.7 kg |
| Catalogue dynamic load Cr | 760 kN |
| Catalogue static load Cor | 1200 kN |
| Grease-lubricated speed grease | 1500 rpm |
| Oil-lubricated speed oil | 1800 rpm |
Mounting dimensions & additional parameters (5)
| 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 | 350 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for N244M?
The N244M catalogue lists 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 N244M?
The listed values for N244M 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 N244M?
The catalogue reference mass for N244M is 36.7 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.